Hyslop Field Laboratory Microstation Climate Survey

Transcription

1 [05 REPLACEMENT r--55 no-500 REVISED ED. AVAILABLE /979 (tr J sgo `1\ Hyslop Field Laboratory Microstation Climate Survey LIIRRARY 17:i. OREGON STATE r". 'e-c71 16P/6 UNIVERSITY r,kicq). (Special Report 1 August 1978 Agricultural Experiment Station, Oregon State University, Corvallis

2 CONTENTS Probability of Frost 1 Average Daily Solar Radiation 2 Average Relative Humidity 3 Monthly Evaporation 4 Wind Frequency, Salem 5 Wind Frequency, Eugene 6 Daily Normal Temperatures 7 Extreme Values of Temperature and Precipitation Weekly Mean Soil Temperature AUTHORS: Wheeler Calhoun, Crop Science Department, Oregon State University; Earl M. Bates, National Weather Service, United States Department of Commerce, National Oceanic and Atmospheric Administration.

3 PROBABILITY DATES OF VARIOUS TEMPERATURE OCCURRENCE WILLAMETTE VALLEY Fifty Per Cent Chance Of: Albany January February April 2 Corvallis January 28 February 27 April Eugene January March 6 April 8 Forest Grove February 10 March 29 April Portland January January February 28 Salem February 1 March 9 April 19 Twenty Per Cent Chance Of: Albany February March April 17 Corvallis February March 19 April Eugene February March 28 April Forest Grove March 5 April 18 May Portland February 7 February March Salem February March 29 May 4 Ten Per Cent Chance Of: Albany February March April Corvallis March 4 March 28 May 9 Eugene February April 6 May 2 Forest Grove March 17 April 27 May Portland February 19 February March Salem March 8 April 7 May 1

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6 CROP SEASON MONTHLY EVAPORATION From Standard Weather Bureau Open Pan (1953-) (inches) APR MAY JUNE JULY AUG SEPT OCT * MEAN * Missing Data 4

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9 ESSA-WEATHER BUREAU AGRICULTURAL SERVICE OFFICE OREGON STATE UNIVERSITY Daily normal temperatures for Corvallis, Oregon, Hyslop Farm, extrapolated from normals at Eugene and Salem, Oregon. Day January Temperature Max Min Avg Day February Temperature Max Min Avg Day March Temperature Max Min Avg, ,,, , 39 3 " ? , LI ,, ' '' , ,

10 NATIONAL WEATHER SERVICE AGRICULTURAL SERVICE OFFICE OREGON STATE UNIVERSITY Daily normal temperatures for Corvallis, Oregon, Hyslop Farm, extrapolated from normals at Eugene and Salem, Oregon. April Day Temperature Max Min Avg Day May Temperature Max Min Avg June Day Temperature Max Min Avg 1, ;"` '69 o ') "-' 4 65, ' , , , V ) 0,. 10 vq39 39_ _ ,,,\' 44 5, re 48 _ _ ' , :; q ' ' ,,, 62, e 62 4f ,, , c? sr G , ' _ : \ ')' 46 57, r) e \ T AL , ,,._ :-' P \,t '

11 NATIONAL WEATHER SERVICE AGRICULTURAL SERVICE OFFICE OREGON STATE UNIVERSITY Daily normal temperatures for Corvallis, Oregon, Hyslop Farm, extrapolated from normals at Eugene and Salem, Oregon. Day July Temperature Max Min Avg August Day Temperature Max Min Avg September Day Temperature Max Min Avg c '7a O C, w ' T z kl ,t' Y ,, :2r '5) _ , =`' ,

12 NATIONAL WEATHER SERVICE AGRICULTURAL SERVICE OFFICE OREGON STATE UNIVERSITY Daily normal temperatures for Corvallis, Oregon, Hyslop Farm, extrapolated from normals at Eugene and Salem, Oregon. October Day Temperature Max Min Avg Day November Temperature Max Min Avg Day December Temperature Max Min Avg ,c ' 'JO ( _ ,-` c _ \ z' " :66 44, -/55 54' C '' J , ,9',7' ,' ,, ''' ,, ,1/ ' ' _ , 62 4'L' 52 51,e ,T) 62 42, ;' ;`' ifr r ,) , A s ,7 59 ''' ' 59 _ '68 40, , , ,49 401'

13 EXTREME VALUES SINCE 1889 Extreme Data For Corvallis, Oregon January Date Max , 70 Mina 49 1-ec , 14, , 45, , , 75 75, , 19,, , 40 40, 71 40, , , 43 02,,

14 EXTREME VALUES SINCE 1889 Extreme Data For Corvallis, Oregon February Date Max. Min. Precip , 62, , , , , , , 47, , , 32, 16, 47 50, 42, , , ,

15 EXTREME VALUES SINCE 1889 Extreme Data For Corvallis, Oregon March Date Max. Min , , , , , , , , 73, ,49, , ,

16 EXTREME VALUES SINCE 1889 Extreme Data For Corvallis, Oregon April Date Max. Min. Precip , , ,27, , , 47 27, , , , , , , ,

17 EXTREME VALUES SINCE 1889 Extreme Data For Corvallis, Oregon May Date Max. 73 Min. 66 Precip , , 70, , 36, , , , , , 35, 19 19, 54, 14, 76, ,

18 EXTREME VALUES SINCE 1889 Extreme Data for Corvallis, Oregon June Date Max. 67 Min. 56, 61 Precip , , , 69 61, 69 45, 46, , , , , , , , 27,

19 EXTREME VALUES SINCE 1889 Extreme Data for Corvallis, Oregon July Date Max. Min. Leg:2z , , , 59, , , ,, 64, 43 19, , 10 19,, ,, 01, 66 19, , , ,

20 EXTREME VALUES SINCE 1889 Extreme Data for Corvallis, Oregon August Date Max. Min. Pre , , , 27 40, , ,,, , 59 10, 18 27, , , ,

21 EXTREME VALUES SINCE 1889 Extreme Data for Corvallis, Oregon September Date Max. Min. Precip , , 58 44, , 51, 18, 62 47, 52, 47, 52 43, , 14, 1936, , , ,, 58, 55, , , , ,

22 EXTREME VALUES SINCE 1889 Extreme Data for Corvallis, Oregon October Date Max. Min. Preci ,, , , , , , , 52, , , , , , 54, , 37, ,

23 EXTREME VALUES SINCE 1889 Extreme Data For Corvallis, Oregon November* Date Max. Min , 75 01, 08, 08, , 74 49, 54 06, , , , , 36, , 77 61, , 69, , * November 1973 was the wettest November on record with inches. Thus November 1973 is the absolute wettest month.

24 EXTREMEVALUES SINCE 1889 Extreme Data For Corvallis, Oregon December* Date Max. Min , , 17,, , , ,, * December 1976 was driest December of record with a total of 1.47.

25 Weekly Mean Soil Temperatures Average (1961 to and 1970 to 1978) For Woodburn Silty Clay Loam Soil 2 inch 4 inch 8 inch inch 40 inch Month, Week Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Jan * Feb Mar * Apr * May * Jun * Jul * Aug *

26 Weekly Mean Soil Temperatures Average (1961 to and 1970 to 1978) For Woodburn Silty Clay Loam Soil 2 inch 4 inch 8 inch inch 40 inch Month, Week Max. Min. Max. Min. Max. Min. Max. Min. Max. Min. Sept * Oct * Nov * Dec * * Average of only three to eight years data.