CLARKSTON HEIGHTS, WASHINGTON

Monthly Total Growing Degree Days

(451474)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195912
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
Months with 5 missing days or less use mean for missing day(s)
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1937 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 118.00 35.50 153.50
1938 27.50 24.50 151.50 353.00 567.50 817.50 1072.00 913.00 863.00 384.00 50.50 35.50 5259.50
1939 25.00 12.50 182.50 404.50 639.50 698.50 1063.50 1017.50 704.50 332.50 58.50 84.00 5223.00
1940 12.00 68.00 213.00 365.50 657.00 871.50 1049.00 963.50 735.50 415.50 29.00 27.00 5406.50
1941 16.50 53.50 242.50 389.50 578.00 725.50 1084.00 939.50 528.00 292.50 98.50 43.00 4991.00
1942 1.50 20.00 130.50 394.50 490.00 619.00 1035.00 1031.50 698.00 383.00 40.34 a 19.00 4862.34
1943 3.00 28.50 104.50 395.00 430.50 607.00 1002.00 893.50 752.50 405.00 44.48 a 24.00 4689.98
1944 17.00 13.50 96.00 340.00 614.00 749.00 1033.00 921.00 757.00 438.00 83.00 23.00 5084.50
1945 36.00 62.00 121.00 278.50 587.50 687.50 1049.50 1002.00 572.50 417.43 b 67.50 17.00 4898.43
1946 16.00 43.50 153.00 363.50 588.00 672.50 977.50 953.50 599.50 206.00 58.50 51.50 4683.00
1947 19.00 57.50 230.00 350.50 728.00 702.00 991.50 895.50 674.00 388.00 49.00 21.00 5106.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 862.50 845.50 620.00 288.00 59.50 1.00 2676.50
1949 0.00 23.50 137.00 434.50 679.00 753.00 959.50 974.50 682.50 197.00 143.00 23.00 5006.50
1950 4.00 27.50 99.00 266.50 501.00 715.50 932.00 955.50 647.50 376.00 125.00 68.00 4717.50
1951 21.50 38.00 92.50 344.00 581.50 679.00 1020.50 914.50 647.50 288.50 48.00 11.00 4686.50
1952 2.00 43.50 107.98 a 411.50 603.00 726.00 967.00 931.00 706.50 396.00 34.50 12.00 4940.98
1953 149.50 72.00 159.00 314.00 472.00 590.50 952.00 942.00 714.00 360.50 126.00 37.50 4889.00
1954 9.50 83.50 81.50 299.00 600.00 614.50 957.00 812.00 610.00 273.50 153.00 9.00 4502.50
1955 1.00 20.50 39.78 a 187.50 453.50 803.00 917.50 927.00 621.00 338.50 58.50 21.00 4388.78
1956 7.00 13.00 130.50 409.00 625.50 686.50 1001.00 893.50 638.00 267.50 56.00 45.50 4773.00
1957 0.00 51.50 120.50 325.00 659.50 766.00 935.50 873.50 709.00 316.00 36.00 45.50 4838.00
1958 39.00 132.50 81.00 275.00 752.00 862.00 1055.00 1049.50 627.50 346.00 123.00 34.50 5377.00
1959 42.00 13.00 125.50 336.00 461.50 760.50 1007.50 844.50 587.50 309.00 57.50 20.50 4565.00
Period of Record Statistics
MEAN 21.38 42.95 133.27 344.60 584.21 719.36 996.55 931.52 667.98 337.20 74.67 30.83 4899.48
S.D. 32.15 29.75 50.84 59.89 89.31 78.44 57.17 60.93 74.50 66.77 38.00 19.36 277.36
SKEW 3.18 1.33 0.61 -0.77 -0.06 0.24 -0.42 0.09 0.51 -0.50 0.77 1.02 0.16
MAX 149.50 132.50 242.50 434.50 752.00 871.50 1084.00 1049.50 863.00 438.00 153.00 84.00 5406.50
MIN 0.00 12.50 39.78 187.50 430.50 590.50 862.50 812.00 528.00 197.00 29.00 1.00 4388.78
NO YRS 21 21 21 21 21 21 22 22 22 22 23 23 21