1st Quarter Summary of Meteorological and Ambient Air Quality Data Kennecott Utah Copper Monitoring Stations
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1 1st Quarter 2014 Summary of Meteorological and Ambient Air Quality Data Kennecott Utah Copper Monitoring Stations Steven A. Root Digitally signed by Steven A. Root DN: cn=steven A. Root, o=weatherbank, Inc., ou=president & CEO, c=us Date: :53:41-05'00' Prepared for: Mr. Bryce C. Bird Director Division of Air Quality 195 North 1950 West Salt Lake City, Utah Prepared by: WeatherBank, Incorporated Edmond, Oklahoma
2 1.0 INTRODUCTION BACKGROUND DATA ACQUISITION DATA SUMMARY METEOROLOGICAL DATA Wind Speed and Horizontal Wind Direction - Copperton C Wind Speed and Horizontal Wind Direction Hi-Country Estates HC Temperature - Copperton C Temperature Hi-Country Estates HC PM10 - Copperton C PM10 Hi-Country Estates HC AIR QUALITY AND METEOROLOGICAL DATA RECOVERY QUALITY CONTROL APPLIED TO COLLECTED DATA Visual Inspection of Equipment Remote Interrogation of the Monitoring Station Data Validation Equipment Calibration and Audits SUMMARY APPENDICES APPENDIX A WIND SPEED DATA APPENDIX B WIND DIRECTION DATA APPENDIX C TEMPERATURE DATA APPENDIX D PM10 DATA First Quarter 2014 Ambient Air Quality Report Page 2
3 1.0 Introduction Summary of Meteorological and Ambient Air Quality Data At Kennecott Utah Copper Monitoring Stations First Quarter 2014 This first quarter report, prepared for the Utah Division of Air Quality (UDAQ) by WeatherBank, Inc. (WBI), summarizes the meteorological and air quality data collected from January 1, 2014 through March 31, 2014 at the Kennecott Utah Copper (KUC) monitoring stations located in Copperton and a second station located south of Copperton in an area known as Hi-Country Estates. 1.1 Background WBI was retained by KUC to assemble data collected by KUC s Air Quality Monitoring System (AQMS) during the first quarter period from its meteorological monitoring stations in the area of the Bingham Canyon Mine known as Copperton C2 and Hi-Country Estates HC. WBI also assembled PM 10 (coarse particulate) data collected during the same period from KUC s ambient air quality monitoring stations at Copperton C3 and Hi-Country Estates HC. Figure 1 Location of KUC s Bingham Canyon Mine and C2, C3 and HC monitoring stations First Quarter 2014 Ambient Air Quality Report Page 3
4 The two monitoring stations, C2 and C3, are not collocated, but rather are located on property owned by KUC, in the general vicinity of Copperton, at the locations depicted in Figures 1, 2 and 3. Figures 2 and 3 KUC s monitoring stations in Copperton and Hi-Country Estates, Utah First Quarter 2014 Ambient Air Quality Report Page 4
5 The latitude, longitude and elevation coordinates of the C2, C3 and HC monitoring sites, along with a summary of meteorological instrumentation and air quality monitors installed are as follows: Hi-Country Estates HC Copperton C2 Copperton C3 Latitude: N Latitude: N Latitude: N Longitude: W Longitude: W Longitude: W Elevation: 6003-Feet ASL Elevation: 5,451Feet ASL Elevation: 5,508 Feet ASL Parameter COPPERTON C2 - Meteorological Sensors Equipment Manufacturer Model Serial Number Sensor/Inlet Height (m) * Wind Speed Met One 014A W Wind Direction Met One 024A Y Temperature Met One none 10 * Above Ground Parameter COPPERTON C3 - Ambient Air Quality Monitors Equipment Manufacturer Model Serial Number Sensor/Inlet Height (m) * PM10 Unit-A PM10 Unit-B WEDDING & High Volume PM10 Unit-C Associates Sampler PM10 Unit-D PM10 Unit-E * Above Ground Parameter HI-COUNTRY ESTATES HC - Ambient Air Quality Monitors Equipment Manufacturer Model Serial Number Sensor/Inlet Height (m) * PM10 Unit-A P PM10 Unit-B P PM10 Unit-C P PM10 Unit-D TISCH High Volume P PM10 Unit-E Environmental, Inc. Sampler P PM10 Unit-F P PM10 Unit-G P PM10 Unit-H P * Above Ground, Including Platform Height (approximate) First Quarter 2014 Ambient Air Quality Report Page 5
6 Parameter HI-COUNTRY ESTATES HC - Meteorological Sensors Equipment Manufacturer Model Serial Number Sensor/Inlet Height (m) * Wind Speed Met One 014A A Wind Direction Met One 024A W Temperature Met One none Data Acquisition * Above Ground Data from the instruments listed above are measured by each individual sensor or monitor and collected and stored by a Campbell Scientific Inc., model CR10 data logger. Meteorological data is sampled every second and recorded as one-minute averages within the data logger. With the highvolume particulate sampler, pressure drop data is sampled and recorded as one-minute averages. High volume quartz filters are later processed for PM by weight. Data logger programming converts all one-minute samples into hourly averages. The data acquisition system or data logger at each meteorological and air quality site is routinely interrogated multiple times per day via radio frequency (RF) modems by the KUC AQMS. Once data is captured, it is processed and copied to duplicate computer files. The data logger telecommunications software performs dynamic error checking during each download to ensure that an exact duplicate file is created. Any failures with instrumentation or data acquisition systems are identified in short order of occurrence by AQMS personnel, and field personnel are dispatched to correct problems in a timely manner, preventing excessive data loss. The data collected during each interrogation are checked for consistency which may include plotting of parameters for visual inspection. All data presented in this report (Appendix A - D) represent the final, quality-assured data sets. Hourly values are the arithmetic hourly averages of the recorded one-minute averages from the data logger except where noted. If fewer than 35-minutes are available, the hour is considered "missing", and identified as such. 2.0 Data Summary This report summarizes data results and data recovery for the first quarter period of January 1, 2014 through March 31, Tabulated hourly data for this period are provided in the appendices. Each appendix table displays the hourly average of measurements as hour "ending"; that is to say, the first hour of the day is labeled 01 and displays data beginning at just after midnight (00:00:01 AM) and ending at 01:00:00 AM. The second hour is labeled 02, and displays data beginning at 01:00:01 AM and ending at 02:00:00 AM. All data is presented according to local standard time (Mountain Standard Time), year round. First Quarter 2014 Ambient Air Quality Report Page 6
7 Bin Percentage 2.1 Meteorological Data Meteorological data records from the KUC Copperton and Hi-Country Estates monitoring sites include wind speed, horizontal wind direction, and ambient temperature. All parameters are measured at approximately 10-meters Wind Speed and Horizontal Wind Direction - Copperton C2 By way of the following figures, the joint frequency of occurrence distribution of wind speed and wind direction (wind rose) is presented for the first quarter period. Wind speed records show there were no hours of calm winds (wind speed equal to zero) during the first quarter period. The percentage of non-calm wind speeds less than or equal to 10 meters per second (m/s) was percent for the first quarter period. The percentage of non-calm wind speeds greater than10 m/s but less than or equal to 16 m/s was 0.51-percent for the first quarter period. There were no wind speed records (0.0 percent) showing greater than 16 m/s during the first quarter period. The speed sector holding the largest number of records was the 1-to-2 m/s bin with 31.7-percent. The direction sector holding the largest number of records was the west (W) sector with 9.7-percent. The sector with the highest average wind speed was the south southeast (SSE) sector at 4.3 m/s. Hourly averages of the wind speed data by month for the first quarter period are presented in Appendix-A, and hourly averages of the wind direction by month for the first quarter period are presented in Appendix-B. C2 10m Wind Speed Frequency Distribution 35% 30% 25% 20% 15% 10% 5% 1 st Quarter % Wind Speed - 1 m/s Bins First Quarter 2014 Ambient Air Quality Report Page 7
8 Figure 4 C2 Wind Rose for January 2014 First Quarter 2014 Ambient Air Quality Report Page 8
9 Figure 5 C2 Wind Rose for February 2014 First Quarter 2014 Ambient Air Quality Report Page 9
10 Figure 6 C2 Wind Rose for March 2014 First Quarter 2014 Ambient Air Quality Report Page 10
11 Figure 7 C2 Wind Rose for the 1 st Quarter 2014 (January, February and March) Copperton C2 Wind Speed Summary (m/s) Month Mean Minimum Daily Mean Maximum Daily Mean Minimum Hour Maximum Hour January February March st Quarter First Quarter 2014 Ambient Air Quality Report Page 11
12 Bin Percentage Wind Speed and Horizontal Wind Direction Hi-Country Estates HC By way of the following figures, the joint frequency of occurrence distribution of wind speed and wind direction (wind rose) is presented for the first quarter period. Wind speed records show there were no hours of calm winds (wind speed equal to zero) during the first quarter period. The percentage of non-calm wind speeds less than or equal to 10 meters per second (m/s) was percent for the first quarter period. The percentage of non-calm wind speeds greater than10 m/s but less than or equal to 16 m/s was 3.89-percent for the first quarter period. The percentage of non-calm wind speeds greater than16 m/s was 0.14-percent for the first quarter period. The speed sector holding the largest number of records was the 1-to-2 m/s bin with 24.7-percent. The direction sector holding the largest number of records was the south southwest (SSW) sector with 15.7-percent. The sector with the highest average wind speed was the north northeast (NNE) sector at 10.8 m/s. Hourly averages of the wind speed data by month for the first quarter period are presented in Appendix-A, and hourly averages of the wind direction by month for the first quarter period are presented in Appendix-B. HC 10m Wind Speed Frequency Distribution 30% 25% 1 st Quarter % 15% 10% 5% 0% Wind Speed - 1 m/s Bins First Quarter 2014 Ambient Air Quality Report Page 12
13 Figure 8 HC Wind Rose for January 2014 First Quarter 2014 Ambient Air Quality Report Page 13
14 Figure 9 HC Wind Rose for February 2014 First Quarter 2014 Ambient Air Quality Report Page 14
15 Figure 10 HC Wind Rose for March 2014 First Quarter 2014 Ambient Air Quality Report Page 15
16 Figure 11 HC Wind Rose for the 1 st Quarter 2014 (January, February and March) Hi-Country Estates HC Wind Speed Summary (m/s) Month Mean Minimum Daily Mean Maximum Daily Mean Minimum Hour Maximum Hour January February March st Quarter First Quarter 2014 Ambient Air Quality Report Page 16
17 01-Jan 05-Jan 09-Jan 13-Jan 17-Jan 21-Jan 25-Jan 29-Jan 02-Feb 06-Feb 10-Feb 14-Feb 18-Feb 22-Feb 26-Feb 02-Mar 06-Mar 10-Mar 14-Mar 18-Mar 22-Mar 26-Mar 30-Mar Temperature - Copperton C2 During the first quarter period, ambient monthly mean temperatures (using all available hourly data) ranged from a low of 0.1 C in January to a high of 5.9 C in March. Daily mean temperatures during the first quarter period ranged from a low of -6.9 C in February to a low of 12.6 C in March. The warmest hourly reading was 18.3 C on March 25, 2014 at 5PM MST, and the coldest hourly reading was C on February 5, 2014 at 8AM MST. Hourly averages of the temperature data by month for the first quarter period are presented in Appendix C. First quarter period temperature data are summarized below. Copperton C2 Temperature Summary ( C) Month Mean Minimum Daily Mean Maximum Daily Mean Minimum Hour Maximum Hour January February March st Quarter C2 10m Daily Temperature Distribution ( C) st Quarter 2014 C2 DAILY MAX TEMP C C2 DAILY AVERAGE TEMP C C2 DAILY MIN TEMP C First Quarter 2014 Ambient Air Quality Report Page 17
18 01-Jan 05-Jan 09-Jan 13-Jan 17-Jan 21-Jan 25-Jan 29-Jan 02-Feb 06-Feb 10-Feb 14-Feb 18-Feb 22-Feb 26-Feb 02-Mar 06-Mar 10-Mar 14-Mar 18-Mar 22-Mar 26-Mar 30-Mar Temperature Hi-Country Estates HC During the first quarter period, ambient monthly mean temperatures (using all available hourly data) ranged from a low of 0.1 C in January to a high of 4.8 C in March. Daily mean temperatures during the first quarter period ranged from a low of -7.8 C in February, to a high of 11.7 C in both February and March. The warmest hourly reading was 16.4 C on March 25, 2014 at 4PM MST, and the coldest hourly reading was -9.8 C on February 4, 2014 at 9PM MST. Hourly averages of the temperature data by month for the first quarter period are presented in Appendix C. First quarter period temperature data are summarized below Hi-Country Estates HC Temperature Summary ( C) Month Mean Minimum Daily Mean Maximum Daily Mean Minimum Hour Maximum Hour January February March st Quarter HC 10m Daily Temperature Distribution ( C) 1 st Quarter 2014 HC DAILY MAX TEMP C HC DAILY AVERAGE TEMP C HC DAILY MIN TEMP C First Quarter 2014 Ambient Air Quality Report Page 18
19 2.1.5 PM10 - Copperton C3 For the first quarter period 2014, a number of statistics were calculated (at actual temperature and pressure), and these include: Monthly Mean (average of all 24-hour [daily]) concentration, by month Maximum daily concentration, by month Second highest daily concentration, by month Quarterly arithmetic mean concentration The first quarter period PM 10 data are summarized in Appendix D. Copperton C3 PM 10 Concentrations (ug/m 3 ) Statistics January February March Monthly Mean Maximum Daily PM nd Highest Daily PM Quarterly Arithmetic Mean There were no ambient PM 10 samples greater than 135 ug/m 3 and no exceedances of the NAAQS during any 24-hour sampling period, and thus no laboratory filter analyses were conducted. Copperton C3 PM 10 Sample Dates Invalidated * Statistics Sample Date Cumulative % Invalidated Date #1 Mon, Mar-10, % Invalidated Date #2 Sun, Mar-23, % *Note: According to KUC's PM 10 and Quality Assurance Project Plan (QAPP), submitted to DAQ, PM 10 daily sample run durations shall be at least 23-hours and no more than 25-hours (1, minutes), and filter samples collected by samplers which operated outside of this guideline will be invalidated. All invalidated samples failed the runtime standard, APP Criteria First Quarter 2014 Ambient Air Quality Report Page 19
20 2.1.6 PM10 Hi-Country Estates HC For the first quarter period 2014, a number of statistics were calculated (at actual temperature and pressure), and these include: Monthly Mean (average of all 24-hour [daily]) concentration, by month Maximum daily concentration, by month Second highest daily concentration, by month Quarterly arithmetic mean concentration The first quarter period PM 10 data are summarized in Appendix D. Hi-Country Estates HC PM 10 Concentrations (ug/m 3 ) Statistics January February March Monthly Mean Maximum Daily PM nd Highest Daily PM Quarterly Arithmetic Mean There were no ambient PM 10 samples greater than 135 ug/m 3 and no exceedances of the NAAQS during any 24-hour sampling period, and thus no laboratory filter analyses were conducted. High Country Estates HC PM 10 Sample Dates Invalidated * Statistics Sample Date Cumulative % No Invalidated Samples During the 1 st Quarter *Note: According to KUC's PM 10 and Quality Assurance Project Plan (QAPP), submitted to DAQ, PM 10 daily sample run durations shall be at least 23-hours and no more than 25-hours (1, minutes), and filter samples collected by samplers which operated outside of this guideline will be invalidated. All invalidated samples failed the runtime standard, APP Criteria Air Quality and Meteorological Data Recovery Data recoveries in percent possible for the first quarter period are provided in the tables below. First Quarter 2014 Ambient Air Quality Report Page 20
21 Copperton C2 and C3 Data Recovery Summary Month Wind Speed Wind Direction Temperature PM10 January % % % % February % % % % March % % % 93.55% 1st Quarter % % % 97.78% Hi-Country Estates HC Data Recovery Summary Month Wind Speed Wind Direction Temperature PM10 January % % % % February % % % % March % % % % 1st Quarter % % % % 2.3 Quality Control Applied to Collected Data Meteorological and air quality data collected from the KUC Bingham Canyon Mine monitoring stations have been subjected to a series of quality control procedures to document the validity of the data and to maintain high integrity of the captured data sets. Meteorological data is reviewed for validity before they are included in reports. Data validation requires screening the data to identify potential outliers or incorrect values, and this review is performed by an experienced meteorologist, familiar with the KUC AQMS and the types of background data collected by the C2 station. Data screening ensures that only validated data are reported. Data validation procedures were compiled from the following sources: EPA's Quality Assurance Handbook for Air Pollution Measurement Systems, Volume II, Ambient Specific Methods Meteorological Monitoring Guidance for Regulatory Modeling Applications, EPA-454/R , Feb Data validation requires manual review of raw hourly data. The data are scanned for reasonability with respect to expected and/or normal values. Next, each parameter is screened according to the following data acceptance criteria and validity checks (Table 8-4, Meteorological Monitoring Guidance for Regulatory Modeling Applications). First Quarter 2014 Ambient Air Quality Report Page 21
22 Screening criteria includes: Wind speed data is less than zero or greater than 25 m/s Wind speed data does not vary by more than 0.1 m/s for 3 consecutive hours Wind speed data does not vary by more than 0.5 m/s for 12 consecutive hours Wind direction data is less than zero or greater than 360 degrees Wind direction data does not vary by more than 1 degree for more than 3 consecutive hours Wind direction data does not vary by more than 10 degrees for 18 consecutive hours Temperature data is greater than the local record high Temperature data is less than the local record low Temperature data must be between -40 C and 40 C Temperature data does not vary by more than 0.5 C for 12 consecutive hours Temperature change is greater than 5 C from the previous hour Temperature difference is greater than 0.1 C during the daytime Temperature difference is less than -0.1 C during night time Temperature difference is greater than 5.0 or less than -3.0 C Visual Inspection of Equipment The KUC AQMS maintains a dedicated, full-time staff of instrumentation engineers who routinely visual inspect each monitoring site on a frequent basis. These on-site inspections occur, according to the current QAPP. Any issues or problems detected during these routine inspections are corrected as expeditiously as possible Remote Interrogation of the Monitoring Station The KUC AQMS maintains a dedicated, full-time staff of air quality scientists and/or meteorologists specifically trained and well-experienced in evaluating all collected data. These AQMS personnel routinely inspect all collected data, as data is collected through automated processes. Abnormal data values, station sensor or monitor problems, station collection problems, etc., are quickly exposed and instrumentation engineers are dispatched to investigate. First Quarter 2014 Ambient Air Quality Report Page 22
23 2.3.3 Data Validation When the AQMS identifies data values that exceed the criteria set for that parameter, the data file is inspected visually. In most cases, a flagged value is not invalid; it merely fell outside of expected ranges or "normal" rates of change for that parameter. If, after investigation, KUC AQMS personnel determined the value was reasonable, the value is not invalidated and retained. If after inspection, there was reason to suspect the data point, the value would be considered invalid or "missing." All missing data classifications are applied on the data management file only, and not on the raw data file collected from the data logger; the raw data file is never manipulated. In this manner, the originally collect data sets may be reviewed if additional information impacting the event becomes known Equipment Calibration and Audits To ensure the collection of high quality data, field audits on meteorological sensors are performed. Audits are performed prior to any calibration and before any adjustments are made to the measurement systems, essentially each audit is performed on systems and sensors on an as found basis. Audits are performed quarterly by third-party contractors specializing in such activities. Audit reports contain copies of actual audit forms used, in addition to summations and comments of the auditor, if any. Equipment calibrations are performed at installation and once per quarter for particulate analyzers. Meteorological equipment calibrations are performed when audits indicate the need or when problems are identified. Sensors which do not meet US EPA PSD calibration specifications are repaired and recalibrated. Third-party audits were conducted during the first quarter period on the C3 and HC PM 10 samplers and C2 and HC meteorological sensors as follows: Ambient PM 10 Audit - 1st Quarter 2014 AUDIT RESULTS FOR COPPERTON 3 (C3) PM10 UNITS Audit Conducted: Wednesday March 12, 2014 Site Audit Tolerance Pass/Fail Design Tolerance Pass/Fail Unit Flow Rate Limit Status Flow Rate Limit Status C3-A 2.7% +/- 6.0% PASS -2.1% +/- 10.0% PASS C3-B 3.0% +/- 6.0% PASS -2.1% +/- 10.0% PASS C3-C 1.1% +/- 6.0% PASS -1.1% +/- 10.0% PASS C3-D 0.9% +/- 6.0% PASS -2.1% +/- 10.0% PASS C3-E 0.4% +/- 6.0% PASS -2.0% +/- 10.0% PASS First Quarter 2014 Ambient Air Quality Report Page 23
24 Meteorological Systems Audit - 1st Quarter 2014 AUDIT RESULTS FOR COPPERTON (C2) METEOROLOGICAL INSTRUMENTS Audit Conducted: Wednesday March 12, 2014 Wind Speed Sensor Wind Direction Sensor Temperature Sensor W4919 Y4633 -NONE- Audit Expected Observed Absolute Motor Speed Speed Error Speed ( MPH ) ( MPH ) Response EXISTING SENSOR 60 rpm PASSED 200 rpm PASSED 600 rpm PASSED Cardinal Expected Observed Absolute Audit Direction Direction Error Direction ( True) ( True) ( True) EXISTING SENSOR North PASSED South PASSED East PASSED West PASSED Ambient KUC Audit Absolute Temperature Temp. Temp. Error Probe Degree - F PASSED Degree - C PASSED First Quarter 2014 Ambient Air Quality Report Page 24
25 Ambient PM 10 Audit - 1st Quarter 2014 AUDIT RESULTS FOR HI-COUNTY (HC) PM10 UNITS Audit Conducted: Wednesday March 12, 2014 Site Audit Tolerance Pass/Fail Design Tolerance Pass/Fail Unit Flow Rate Limit Status Flow Rate Limit Status HC-A -0.4% +/- 6.0% PASS -2.6% +/- 10.0% PASS HC-B 2.3% +/- 6.0% PASS -4.5% +/- 10.0% PASS HC-C 2.5% +/- 6.0% PASS -4.6% +/- 10.0% PASS HC-D 2.5% +/- 6.0% PASS -4.6% +/- 10.0% PASS HC-E 3.0% +/- 6.0% PASS -4.5% +/- 10.0% PASS HC-F 1.2% +/- 6.0% PASS -4.5% +/- 10.0% PASS HC-G 1.2% +/- 6.0% PASS -3.6% +/- 10.0% PASS HC-H 1.9% +/- 6.0% PASS -4.5% +/- 10.0% PASS Meteorological Systems Audit - 1st Quarter 2014 AUDIT RESULTS FOR HI-COUNTRY (HC) METEOROLOGICAL INSTRUMENTS Audit Conducted: Wednesday March 12, 2014 Wind Speed Sensor Wind Direction Sensor Temperature Sensor A3695 W4851 -NONE- Audit Expected Observed Absolute Motor Speed Speed Error Speed ( MPH ) ( MPH ) Response EXISTING SENSOR 60 rpm PASSED 200 rpm PASSED 600 rpm PASSED Cardinal Expected Observed Absolute Audit Direction Direction Error Direction ( True) ( True) ( True) EXISTING SENSOR North PASSED South PASSED East PASSED West PASSED Ambient KUC Audit Absolute Temperature Temp. Temp. Error Probe Degree - F PASSED Degree - C PASSED First Quarter 2014 Ambient Air Quality Report Page 25
26 3.0 Summary Summarized tables representing collected meteorological and air quality data from the Bingham Canyon Mine ambient stations, C2, C3 and HC, passing KUC AQMS quality assurance standards are presented in the Appendices to follow. Final Approval: Date: April 1, 2014 S.A. Root Certified Consulting Meteorologist Project Manager WeatherBank, Inc. 4.0 Appendices 4.1 Appendix A Wind Speed Data 4.2 Appendix B Wind Direction Data 4.3 Appendix C Temperature Data 4.4 Appendix D PM10 Data First Quarter 2014 Ambient Air Quality Report Page 26
27 C2 Quarterly Meteorological Report January 2014 COPPERTON, UTAH C2 HOURLY AVERAGE WIND SPEED (m/s) DAILY DAY MAX AVG MIN DAY HOURLY PERCENT DATA CAPTURE: %
28 C2 Quarterly Meteorological Report February 2014 COPPERTON, UTAH C2 HOURLY AVERAGE WIND SPEED (m/s) DAILY DAY MAX AVG MIN DAY HOURLY PERCENT DATA CAPTURE: %
29 C2 Quarterly Meteorological Report March 2014 COPPERTON, UTAH C2 HOURLY AVERAGE WIND SPEED (m/s) DAILY DAY MAX AVG MIN DAY HOURLY PERCENT DATA CAPTURE: %
30 HC Quarterly Meteorological Report January 2014 HI-COUNTRY ESTATES, UTAH HC HOURLY AVERAGE WIND SPEED (m/s) DAILY DAY MAX AVG MIN DAY HOURLY PERCENT DATA CAPTURE: %
31 HC Quarterly Meteorological Report February 2014 HI-COUNTRY ESTATES, UTAH HC HOURLY AVERAGE WIND SPEED (m/s) DAILY DAY MAX AVG MIN DAY HOURLY PERCENT DATA CAPTURE: %
32 HC Quarterly Meteorological Report March 2014 HI-COUNTRY ESTATES, UTAH HC HOURLY AVERAGE WIND SPEED (m/s) DAILY DAY MAX AVG MIN DAY HOURLY PERCENT DATA CAPTURE: %
33 C2 Quarterly Meteorological Report January 2014 COPPERTON, UTAH C2 HOURLY AVERAGE WIND DIRECTION (degrees) DAILY DAY MODE %TIME W 29.2% WSW 25.0% WSW 16.7% N 20.8% NW 25.0% WNW 20.8% SW 16.7% S 20.8% SSE 16.7% SSW 29.2% WSW 33.3% WNW 29.2% WSW 16.7% NE 16.7% W 25.0% W 16.7% WSW 20.8% W 16.7% SW 20.8% WSW 29.2% WSW 20.8% WNW 16.7% NW 25.0% WSW 20.8% E 16.7% W 25.0% NNW 29.2% WSW 20.8% SSE 33.3% S 16.7% NW 33.3% DAY MONTHLY WSW 12.5% PERCENT DATA CAPTURE: %
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DAYTON/JAMES M COX OH Latitude = 39.9 N WMO No. 72429 Longitude = 84.2 W Elevation = 14 feet Period of Record = 1973 to 1996 Average Pressure = 28.95 inches Hg Design Criteria Data Mean Coincident (Average)
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SPRINGFLD MO Latitude = 37.23 N WMO No. 7244 Longitude = 93.38 W Elevation = 127 feet Period of Record = 1973 to 1996 Average Pressure = 28.66 inches Hg Design Criteria Data Mean Coincident (Average) Values
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BIRMINGHAM AL Latitude = 33.57 N WMO No. 72228 Longitude = 86.75 W Elevation = 63 feet Period of Record = 1973 to 1996 Average Pressure = 29.36 inches Hg Design Criteria Data Mean Coincident (Average)
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MINNEAPOLIS-ST PAUL MN Latitude = 44.88 N WMO No. 72658 Longitude = 93.22 W Elevation = 837 feet Period of Record = 1973 to 1996 Average Pressure = 29.7 inches Hg Design Criteria Data Mean Coincident (Average)
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CHICAGO/O HARE IL Latitude = 41.98 N WMO No. 7253 Longitude = 87.9 W Elevation = 673 feet Period of Record = 1967 to 1996 Average Pressure = 29.27 inches Hg Design Criteria Data Mean Coincident (Average)
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