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 Design Wet Bulb Humidity Wind Prevailing Value Temperature Ratio Speed Direction Dry Bulb Temperature (T) ( o F) ( o F) (gr/lb) (mph) (NSEW) Median of Extreme Highs 99 74 91. SW.4% Occurrence 95 74 1 9.2 S 1.% Occurrence 92 75 6 9.3 S 2.% Occurrence 9 74 7 9.2 S Mean Daily Range - - - - 97.5% Occurrence 17 15 9.6 N 99.% Occurrence 9 8 6 9.3 NNW 99.6% Occurrence 2 1 4 9.2 N Median of Extreme Lows -5-6 3 8. NNW Mean Coincident (Average) Values Design Dry Bulb Humidity Wind Prevailing Value Temperature Ratio Speed Direction Wet Bulb Temperature (T wb ) ( o F) ( o F) (gr/lb) (mph) (NSEW) Median of Extreme Highs 8 9 14 9.2 S.4% Occurrence 78 89 13 9.4 S 1.% Occurrence 77 88 125 9.4 S 2.% Occurrence 75 86 118 9.3 S Mean Coincident (Average) Values Design Dry Bulb Vapor Wind Prevailing Value Temperature Pressure Speed Direction Humidity Ratio (HR) (gr/lb) ( o F) (in. Hg) (mph) (NSEW) Median of Extreme Highs 142 86.9 9. S.4% Occurrence 134 84.85 9.1 S 1.% Occurrence 129 83.82 8.8 S 2.% Occurrence 124 81.79 8.4 S Air Conditioning/ T > 93 o F T > 8 o F T wb > 73 o F T wb > 67 o F Humid Area Criteria # of Hours 8 918 578 1855 Other Site Data Rain Rate Basic Wind Speed Ventilation Cooling Load Index Weather Year Recurrence 3 sec gust @ 33 ft (Ton-hr/cfm/yr) Base 75 o F-RH 6% Region (in./hr) 5 Year Recurrence (mph) Latent + Sensible 7 3.3 9 2.7 + 1. Ground Water Frost Depth Ground Snow Load Average Annual Temperature ( o F) 5 Year Recurrence 5 Year Recurrence Freeze-Thaw Cycles 5 Foot Depth * (in.) (lb/ft 2 ) (#) 58.1 N/A 14 57 *Note: Temperatures at greater depths can be estimated by adding 1.5 o F per feet additional depth.
Average Annual Climate Temperature ( o F) 1 1 9 8 7 6 5 4 3 - - -3 J F M A M J J A S O N D Mean Precipitation Mean Temperature Mean Dewpoint 15 14 13 12 11 9 8 7 6 5 4 3 2 1 Precipitation (Inches)
Long Term Psychrometric Summary -6-5 -4-3 - - 3 4 5 6 7 8 9 1 1 18 17 16 15 14 13 1 1 9 8 7 6 5 4 3 Humidity Ratio (gr/lb) Temperature ( o F) 5% of all observations 8% of all observations 95% of all observations 97.5% of all observations 99% of all observations
Psychrometric Summary of Peak Design Values 18 16-6 -5-4 -3 - - 3 4 5 6 7 8 9 1 1 14 1 8 6 4 Humidity Ratio (gr/lb) Temperature ( o F) MCHR Enthalpy MCDB MCWB MC Dewpt Enthalpy ( o F) (gr/lb) (btu/lb) 1.% Humidity (gr/lb) ( o F) ( o F) ( o F) (btu/lb) 99% Dry Bulb 9 6.4 3.1 Ratio 128.8 82.5 75.6 73.1 4. MCHR MCWB Enthalpy ( o F) (gr/lb) ( o F) (btu/lb) 1.% Dry Bulb 92 6.3 74.6 38.8
Dry-Bulb Temperature Hours For An Average Year (Sheet 1 of 5) Period of Record = 1973 to 1996 January February March Hour M Hour M Hour M Group (LST) C Group (LST) C Group (LST) C Temperature 1 9 17 W 1 9 17 W 1 9 17 W Range To To To Total B To To To Total B To To To Total B ( o F) 8 16 Obs ( o F) 8 16 Obs ( o F) 8 16 Obs ( o F) 5 / 9 / 4 95 / 99 9 / 94 85 / 89 63.3 8 / 84 1 1 61.9 75 / 79 1 1 57.5 8 2 6.2 7 / 74 51.3 3 3 56. 16 6 22 58. 65 / 69 2 2 53.7 9 2 11 53.1 3 23 14 4 55.9 6 / 64 6 1 7 51.9 1 15 7 23 51.2 8 26 21 55 53. 55 / 59 3 7 49.3 5 17 14 36 48.8 3 3 8 49.7 5 / 54 5 17 32 44.8 19 17 46 45. 24 33 32 89 45.7 45 / 49 9 25 18 52 41. 15 23 23 61 41.3 35 32 39 6 41.7 4 / 44 32 31 83 37.4 25 29 32 86 37.4 42 29 38 9 38. 35 / 39 31 37 39 7 33.3 36 31 33 33.7 38 23 27 88 33.5 3 / 34 49 38 46 133 29.4 41 26 35 2 29.3 36 15 23 74 29. 25 / 29 38 27 34 99 24.7 32 22 74 24.8 25 6 9 4 25.1 / 24 32 21 73.2 23 13 17 53.2 11 4 5.2 15 / 19 26 15 17 58 15.6 15 9 34 15.4 4 1 2 7 15.9 / 14 13 9 32.7 4 6.8 2 1 3.8 5 / 9 11 5 7 23 6. 5 2 4 11 5.9 1 1 6.3 / 4 6 2 4 12 1.2 4 1 2 7 1.5 2.2-5 / -1 4 1 1 6-3. 2 2-3. - / -6 2 1 3-7. 1 1-6.5-15 / -11-11.1-12.5 - / -16-15.3 Caution: This summary reflects the typical distribution of temperature in a typical year. It does not reflect the typical moisture distribution. Because wet bulb temperatures are averaged, this summary understates the annual moisture load. For accurate moisture load data, see the long-term humidity summary and the ventilation and infiltration load pages in this manual.
Dry-Bulb Temperature Hours For An Average Year (Sheet 2 of 5) Period of Record = 1973 to 1996 April May June Hour M Hour M Hour M Group (LST) C Group (LST) C Group (LST) C Temperature 1 9 17 W 1 9 17 W 1 9 17 W Range To To To Total B To To To Total B To To To Total B ( o F) 8 16 Obs ( o F) 8 16 Obs ( o F) 8 16 Obs ( o F) 5 / 9 / 4 95 / 99 1 1 73.8 9 / 94 73.3 12 3 15 74.4 85 / 89 2 2 67.8 6 1 7 71.5 48 15 63 73.3 8 / 84 9 2 11 65.2 31 9 4 69.1 3 63 31 97 7.9 75 / 79 24 8 32 62.6 1 49 22 72 66.1 19 56 52 127 68.8 7 / 74 1 32 18 51 6.4 12 53 44 9 63.7 59 35 62 156 66.9 65 / 69 13 38 3 81 57.8 44 48 56 148 61.3 78 18 46 142 64. 6 / 64 27 36 37 54.8 63 32 48 143 57.9 45 6 22 73 59.3 55 / 59 36 35 41 112 5.8 53 18 35 6 53.3 25 8 33 54.8 5 / 54 43 27 35 5 46.5 38 7 21 66 48.8 9 1 5.3 45 / 49 38 19 32 89 42.7 22 3 35 44.6 3 3 46.2 4 / 44 4 12 23 75 38.4 11 3 14 4.4 43.3 35 / 39 26 5 9 4 34.4 3 3 35.7 3 / 34 11 1 4 16 3.1 1 1 32.4 25 / 29 4 1 5 25. / 24 1 1 21.4 15 / 19 / 14 5 / 9 / 4-5 / -1 - / -6-15 / -11 - / -16 Caution: This summary reflects the typical distribution of temperature in a typical year. It does not reflect the typical moisture distribution. Because wet bulb temperatures are averaged, this summary understates the annual moisture load. For accurate moisture load data, see the long-term humidity summary and the ventilation and infiltration load pages in this manual.
Dry-Bulb Temperature Hours For An Average Year (Sheet 3 of 5) Period of Record = 1973 to 1996 July August September Hour M Hour M Hour M Group (LST) C Group (LST) C Group (LST) C Temperature 1 9 17 W 1 9 17 W 1 9 17 W Range To To To Total B To To To Total B To To To Total B ( o F) 8 16 Obs ( o F) 8 16 Obs ( o F) 8 16 Obs ( o F) 5 / 9 72.8 / 4 3 1 4 73.5 2 2 73.3 95 / 99 11 3 14 74.7 16 3 19 74.3 2 2 73.2 9 / 94 48 14 62 75.1 38 11 49 74.1 9 2 11 72.4 85 / 89 1 74 3 5 73.7 61 23 84 72.9 29 6 35 71.9 8 / 84 6 48 118 72. 5 58 42 5 7.9 46 17 63 69.5 75 / 79 49 29 68 146 7.6 37 41 62 14 69.7 7 45 34 86 67.4 7 / 74 3 16 57 175 68.4 92 22 62 176 67.9 41 38 49 128 65.8 65 / 69 6 6 21 87 64.7 67 8 31 6 64. 53 3 44 127 62.2 6 / 64 19 1 6 26 6.4 32 2 11 45 59.5 48 22 37 7 58.1 55 / 59 6 1 7 55.6 12 3 15 55. 37 24 71 53.6 5 / 54 1 1 51.8 3 3 5.7 24 7 17 48 49.2 45 / 49 1 1 46.1 16 1 7 24 44.9 4 / 44 2 12 4.5 35 / 39 3 1 4 36.4 3 / 34 31.7 25 / 29 / 24 15 / 19 / 14 5 / 9 / 4-5 / -1 - / -6-15 / -11 - / -16 Caution: This summary reflects the typical distribution of temperature in a typical year. It does not reflect the typical moisture distribution. Because wet bulb temperatures are averaged, this summary understates the annual moisture load. For accurate moisture load data, see the long-term humidity summary and the ventilation and infiltration load pages in this manual.
Dry-Bulb Temperature Hours For An Average Year (Sheet 4 of 5) Period of Record = 1973 to 1996 October November December Hour M Hour M Hour M Group (LST) C Group (LST) C Group (LST) C Temperature 1 9 17 W 1 9 17 W 1 9 17 W Range To To To Total B To To To Total B To To To Total B ( o F) 8 16 Obs ( o F) 8 16 Obs ( o F) 8 16 Obs ( o F) 5 / 9 / 4 95 / 99 9 / 94 1 1 65.6 85 / 89 4 4 66.5 8 / 84 11 1 12 65.7 75 / 79 1 25 5 31 63.3 4 4 61.3 61.5 7 / 74 3 39 16 58 61.2 12 1 13 59.9 1 1 6.6 65 / 69 13 45 32 9 59.1 2 7 29 58. 1 6 1 8 57.5 6 / 64 36 43 5 129 55.9 12 26 19 57 55.6 2 11 5 18 54.6 55 / 59 44 35 43 122 51.3 17 3 28 75 51.1 5 16 8 29 5. 5 / 54 43 23 4 6 47.1 22 32 3 84 46.2 8 12 4 45.4 45 / 49 39 12 28 79 42.9 31 32 33 96 42.3 14 29 25 68 41.7 4 / 44 35 6 21 62 38.9 4 32 4 112 38. 27 42 38 7 37.7 35 / 39 24 2 9 35 34.8 41 28 39 8 33.8 43 4 46 129 33.7 3 / 34 8 1 3 12 3.4 37 14 24 75 29.4 52 34 47 133 29.5 25 / 29 3 3 25.9 19 6 12 37 25.1 39 18 27 84 24.9 / 24.4 11 3 5 19.4 23 11 16 5.3 15 / 19 18. 4 2 6 15.6 14 7 31 15.7 / 14 1 1 2 11.1 8 4 6 18.8 5 / 9 1 1 7. 5 3 4 12 6. / 4 3 2 2 7 1.2-5 / -1 2 1 1 4-3. - / -6 1 1 1 3-7.6-15 / -11-12.1 - / -16-15.3 Caution: This summary reflects the typical distribution of temperature in a typical year. It does not reflect the typical moisture distribution. Because wet bulb temperatures are averaged, this summary understates the annual moisture load. For accurate moisture load data, see the long-term humidity summary and the ventilation and infiltration load pages in this manual.
Dry-Bulb Temperature Hours For An Average Year (Sheet 5 of 5) Period of Record = 1973 to 1996 Annual Totals Hour M Group (LST) C Temperature 1 9 17 W Range To To To Total B ( o F) 8 16 Obs ( o F) 5 / 9 72.8 / 4 4 1 5 73.5 95 / 99 3 6 36 74.4 9 / 94 8 3 137 74.4 85 / 89 1 223 75 299 73. 8 / 84 18 279 149 446 7.5 75 / 79 113 282 253 647 68.1 7 / 74 3 268 313 892 65.7 65 / 69 331 253 282 867 61.5 6 / 64 292 227 263 783 56.7 55 / 59 261 3 241 76 51.6 5 / 54 23 186 215 632 46.7 45 / 49 221 177 216 615 42.3 4 / 44 251 183 228 663 38. 35 / 39 245 168 3 617 33.8 3 / 34 234 131 182 548 29.4 25 / 29 16 78 6 344 24.9 / 24 2 51 64 217.3 15 / 19 64 32 41 137 15.6 / 14 34 18 24 76.8 5 / 9 23 15 48 6. / 4 15 5 8 28 1.3-5 / -1 8 2 2 12-3. - / -6 4 1 2 7-7.2-15 / -11 1 1-11.8 - / -16-15.3 Caution: This summary reflects the typical distribution of temperature in a typical year. It does not reflect the typical moisture distribution. Because wet bulb temperatures are averaged, this summary understates the annual moisture load. For accurate moisture load data, see the long-term humidity summary and the ventilation and infiltration load pages in this manual.
Annual Summary of Temperatures 1 9 8 7 6 5 4 3 - - 31-Dec 14-Jan 28-Jan 11-Feb 25-Feb 11-Mar 25-Mar 8-Apr 22-Apr 6-May -May 3-Jun 17-Jun 1-Jul 15-Jul 29-Jul 12-Aug 26-Aug 9-Sep 23-Sep 7-Oct 21-Oct 4-Nov 18-Nov 2-Dec 16-Dec Temperature ( o F) 1.% Dry Bulb Temp MCWB (1% Dry Bulb) Mean Max Temp Mean Min Temp 99% Min Dry Bulb Temp
Long Term Humidity and Dry Bulb Temperature Summary 2 2 19 18 17 16 15 14 13 1 1 9 8 7 6 5 4 3 1 5 95 9 85 8 75 7 65 6 55 5 45 4 35 3 25 15 5 7-Jan 21-Jan 4-Feb 18-Feb 4-Mar 18-Mar 1-Apr 15-Apr 29-Apr 13-May 27-May -Jun 24-Jun 8-Jul 22-Jul 5-Aug 19-Aug 2-Sep 16-Sep 3-Sep 14-Oct 28-Oct Humidity Ratio (gr/lb) 11-Nov 25-Nov 9-Dec 23-Dec Dry Bulb Temperature ( o F) 1.% Max HR Mean Max HR Mean Min HR MCDB Temp (1% Max HR)
Long Term Dry Bulb Temperature and Humidity Summary Week 1.% MCWB @ Mean Max Mean Min 99% 1.% MCDB @ Mean Max Mean Min Ending Temp ( o F) 1% Temp ( o F) Temp ( o F) Temp ( o F) Temp ( o F) HR (gr/lb) 1% HR ( o F) HR (gr/lb) HR (gr/lb) 7-Jan 56. 5.5 38.1 21.6 2. 51.1 5. 24.7 14.2 14-Jan 61. 49. 38.5 19.7-5. 58.1 52.6 24. 12.8 21-Jan 62. 53.2 4.7 23. -5. 65.1 56.5 28.3 16.2 28-Jan 62. 49.3 44.1 25.1 5. 56.7 54.4 27.4 15.9 4-Feb 64. 53.8 42.4 23.9-2. 7.7 6. 28.1 16.3 11-Feb 64. 5.7 41.5 21.7 1. 56. 55.2 25.8 14.1 18-Feb 67. 54.8 46.6 27.6 6. 63. 59.6 31.7 18.6 25-Feb 7. 55.6 52.7 31.4 14. 67.9 58.8 34.9.8 4-Mar 74. 58.4 51.9 31.9 13. 74.2 66.6 36.9 21.6 11-Mar 74. 59.7 54.6 33.6 14. 81.2 67.4 38.8 23. 18-Mar 76. 59.4 58. 37.1. 81.2 65.3 42.6 24.7 25-Mar 77. 58.3 58.2 37.7 21. 76.3 68. 42. 24.9 1-Apr 77. 59.5 6.7 4.2 27. 84.7 68.6 48.6 29.8 8-Apr 78. 6.7 62. 4.4 26. 87.5 69.4 48. 29.5 15-Apr 8. 62.4 65.3 43.8 3. 87.5 73.2 54.8 33.4 22-Apr 82. 64.6 69. 47.7 35. 97.3 69.5 65. 4.4 29-Apr 83. 66.6 7.4 48.8 38. 96.6 77.2 65. 41.9 6-May 8. 65.6 69.6 49.8 38. 1.5 72.7 68.3 46. 13-May 83. 68.9 73.7 52.7 41. 7.8 77.6 76.7 51.6 -May 84. 7.2 75.6 55.4 43. 113.4 77. 84.6 59.1 27-May 85. 71.2 76.1 58. 46. 116.2 8.5 89.8 66.1 3-Jun 86. 72.5 77.7 58.8 47. 121.1 8.9 94.3 68.9 -Jun 9. 76.5 8.5 61.3 52. 137.9 83.6 1.2 74.9 17-Jun 9. 74. 83.2 62.8 52. 129.5 83.8 2.7 78. 24-Jun 92. 74.2 85. 64.9 54. 128.8 82.5 1.2 84.5 1-Jul 93. 73.9 85.7 65.7 55. 142.1 84.9 113.6 85.8 8-Jul 95. 75.2 88. 68.3 61. 137.9 85.1 119.2 92.7 15-Jul 98. 74.5 88.4 68.1 56. 137.9 86.2 116.4 91.9 22-Jul 99. 72.8 89.2 68.1 6. 138.6 84.2 115.4 89.8 29-Jul 97. 74.7 88.6 67.9 6. 142.1 86.4 117.7 89.5 5-Aug 99. 74.4 88.2 66.6 57. 137.2 85.3 1.3 83.6 12-Aug 98. 74.7 88.1 66.7 57. 137.2 84.6 1.6 85.2 19-Aug 96. 75. 87.7 67. 57. 137.9 82.9 113.6 87.8 26-Aug 96. 73.8 88.4 66.5 58. 133. 82.9 1.9 83.6 2-Sep 97. 73.8 86.2 65.6 53. 129.5 84.2 7.4 81.8 9-Sep 94. 73.8 84.1 63. 5. 128.1 85.1.8 76.4 16-Sep 9. 7.5 79.7 59.8 46. 119.7 8.5 93.2 68.5 23-Sep 87. 72.4 75.8 54.8 39. 123.2 78.1 83.6 58.8 3-Sep 86. 69. 74. 52.8 39. 1.4 8.7 76.2 53.8 7-Oct 85. 66.8 72.4 49.5 36. 112.7 75. 68.1 45.2 14-Oct 85. 65.8 7.2 48.4 36. 3.6 73.3 64.2 43.2 21-Oct 82. 64.4 68.2 46.1 32. 98. 7.7 6.2 38.9 28-Oct 78. 63.6 65.6 44.7 31. 9.3 69.5 56.7 36.4 4-Nov 76. 62.6 62. 43.1 21. 9.3 69.3 54.9 35.7 11-Nov 73. 59.9 57.5 38. 21. 81.9 68.6 44.5 27.1 18-Nov 72. 57.4 56.2 37.1 18. 84.7 63.7 44.6 27.4 25-Nov 69. 59.6 53.5 35.1 21. 81.2 63.9 43.1 24.8 2-Dec 68. 59.5 49.2 3.8 12. 84.7 65.3 36.2 21.1 9-Dec 66. 59.1 47.9 29.5. 72.8 62.7 33.8 19.6 16-Dec 65. 56.4 46.5 28.6 2. 65.8 61.9 33.3 19.3 23-Dec 63. 52.7 42.6 24.2-4. 65.1 6.1 28.8 16.4 31-Dec 65. 59.4 41.7 24.6-2. 77.7 63. 28.9 17.
Degree Days, Heating and Cooling (Base 65 o F) 5 Degree Days ( o F) -5 - -15 - -25-3 J F M A M J J A S O N D Mean Cooling Degree Days Mean Heating Degree Days Mean Cooling Mean Heating Degree Days ( o F) Degree Days ( o F) JAN 45 FEB 2 8 MAR 15 59 APR 46 321 MAY 112 129 JUN 262 26 JUL 44 6 AUG 364 12 SEP 18 95 OCT 5 294 NOV 7 599 DEC 1 913 ANN 1442 484
Average Ventilation and Infiltration Loads (Outside Air vs. 75 o F, 6% RH summer; 68 o F, 3% RH winter) 4 3 Load (Btu/cfm) - - -3-4 -5-6 -7-8 J F M A M J J A S O N D Average Sensible Cooling Load Average Sensible Heating Load Average Latent Cooling (Drying) Load Average Latent Heating (Humidifying) Load Average Sensible Average Sensible Average Latent Average Latent Cooling Load Heating Load Cooling Load Heating Load (Btu/cfm) (Btu/cfm) (Btu/cfm) (Btu/cfm) JAN -29486-651 FEB -23168-485 MAR 26-17529 17-2961 APR 158-193 168-894 MAY 491-4733 198-6 JUN 1-1216 6637 JUL 45-334 922 AUG 3489-69 8733 SEP 129-3492 365-3 OCT 194-9529 426-73 NOV 6-17751 33-2666 DEC -2672 1-5169 ANN 1175-144112 3245-23789
Average Annual Solar Radiation Nearest Available Site (Source: National Renewable Energy Laboratory, Golden CO, 1995) City: SPRINGFIELD State: MO WBAN No: 13995 Lat(N): 37.23 Long(W): 93.38 Elev(ft): 127 Stn Type: Secondary SHADING GEOMETRY IN DIMENSIONLESS UNITS Window: 1 Overhang:.455 Vert Gap:.34 AVERAGE INCIDENT SOLAR RADIATION (Btu/sq.ft./day), Percentage Uncertainty = 9 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year HORIZ Global 75 97 129 164 187 3 8 187 148 116 78 64 138 Std Dev 62 56 1 113 125 131 131 111 115 126 79 52 39 Minimum 6 88 8 13 158 18 187 167 87 63 56 133 Maximum 85 8 149 183 21 233 238 2 17 136 95 77 146 Diffuse 33 45 58 69 79 8 77 7 6 44 35 3 57 Clear Day Global 136 18 226 254 263 256 23 193 146 7 9 18 NORTH Global 2 28 36 44 55 63 6 49 39 3 23 19 39 Diffuse 2 28 36 43 5 53 5 46 38 3 23 19 37 Clear Day Global 26 34 43 58 68 63 47 36 28 2 18 39 EAST Global 49 6 77 94 3 9 114 6 89 73 5 4 8 Diffuse 26 34 44 53 6 6 6 56 48 37 28 23 44 Clear Day Global 73 93 115 134 144 145 14 134 119 97 77 67 11 SOUTH Global 114 113 9 96 8 73 79 95 9 124 9 Diffuse 37 43 49 53 55 55 55 55 5 44 37 33 47 Clear Day Global 196 197 175 133 99 84 89 116 155 185 19 19 15 WEST Global 5 6 78 95 6 114 118 8 89 74 5 43 8 Diffuse 26 35 44 53 6 63 63 57 48 37 28 24 45 Clear Day Global 73 93 115 134 144 145 14 134 119 97 77 67 11
Average Annual Solar Heat and Illumination Nearest Available Site (Source: National Renewable Energy Laboratory, Golden CO, 1995) AVERAGE TRANSMITTED SOLAR RADIATION (Btu/sq.ft./day) FOR DOUBLE GLAZING, Percentage Uncertainty = 9 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year HORIZ Unshaded 49 67 9 119 136 148 15 136 6 8 5 4 98 NORTH Unshaded 15 25 3 36 4 39 3 27 2 16 14 26 Shaded 14 18 23 27 33 37 35 3 24 19 14 1 24 EAST Unshaded 34 4 54 67 73 78 8 75 63 5 35 29 57 Shaded 3 38 48 59 64 68 7 67 56 46 3 26 5 SOUTH Unshaded 86 8 75 6 49 44 47 58 7 89 8 77 68 Shaded 84 76 6 43 35 35 35 39 54 79 78 75 58 WEST Unshaded 34 44 56 68 75 8 84 77 64 5 36 3 58 Shaded 3 4 5 6 66 7 74 68 57 47 33 27 5 AVERAGE INCIDENT ILLUMINANCE (klux-hr) FOR MOSTLY CLEAR AND MOSTLY CLOUDY CONDITIONS, Percentage Uncertainty = 9 March June 9am 11am 1pm 3pm 5pm 9am 11am 1pm 3pm 5pm HORIZ. M.Clear 38 73 85 7 32 44 83 2 98 71 M.Cloudy 21 44 52 43 19 27 56 71 72 5 NORTH M.Clear 9 14 15 14 9 21 16 17 17 16 M.Cloudy 9 15 17 15 8 14 17 19 19 16 EAST M.Clear 75 61 15 14 9 76 75 36 17 16 M.Cloudy 23 31 17 15 8 33 46 29 19 16 SOUTH M.Clear 36 7 81 67 31 11 27 42 39 M.Cloudy 14 34 42 33 14 11 23 33 33 19 WEST M.Clear 9 14 19 65 71 11 16 17 48 78 M.Cloudy 9 15 19 33 25 11 17 19 38 48 M.Clear (% hrs) 35 33 32 32 35 41 39 37 38 46 Sept Dec 9am 11am 1pm 3pm 5pm 9am 11am 1pm 3pm 5pm HORIZ. M.Clear 25 66 87 82 52 14 44 52 35 4 M.Cloudy 15 41 57 54 34 8 24 3 3 NORTH M.Clear 8 14 16 16 12 5 11 9 2 M.Cloudy 6 15 18 17 12 4 12 8 2 EAST M.Clear 62 73 33 16 12 42 44 11 9 2 M.Cloudy 21 36 25 17 12 18 12 8 2 SOUTH M.Clear 18 53 73 68 41 36 81 91 7 12 M.Cloudy 9 28 42 4 23 9 27 33 23 4 WEST M.Clear 8 14 16 5 75 5 19 51 17 M.Cloudy 6 15 18 32 36 4 14 18 5 M.Clear (% hrs) 45 45 4 41 45 34 34 35 35 38
Wind Summary - December, January, and February Labels of Percent Frequency on North Axis NW NNW N 15 NNE NE WNW W 5 ENE E WSW ESE SW SE SSW S SSE >34 knots 25-34 knots 15-24 knots 6-14 knots 1-5 knots Percent Calm = 2.64 Wind Summary - March, April, and May Labels of Percent Frequency on North Axis NNW N NNE NW 15 NE WNW W 5 ENE E WSW ESE SW SE SSW S SSE >34 knots 25-34 knots 15-24 knots 6-14 knots 1-5 knots Percent Calm = 3.12
Wind Summary - June, July, and August Labels of Percent Frequency on North Axis WNW W NW NNW N 25 15 5 NNE NE ENE E WSW ESE SW SSW S SSE SE >34 knots 25-34 knots 15-24 knots 6-14 knots 1-5 knots Percent Calm = 4.98 Wind Summary - September, October, and November Labels of Percent Frequency on North Axis N NNW 25 NNE NW NE 15 WNW 5 ENE W E WSW ESE SW SSW S SSE SE >34 knots 25-34 knots 15-24 knots 6-14 knots 1-5 knots Percent Calm = 3.96