PULLMAN EXP STN, WASHINGTON

Monthly Total Growing Degree Days

(456784)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195402
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
1893 0.00 z 0.00 z 0.00 z 0.00 z 324.50 457.50 699.50 773.00 514.00 130.50 36.00 9.50 2944.50
1894 2.50 0.00 b 33.07 a 166.00 424.18 a 523.50 822.00 870.50 432.50 227.50 109.50 0.00 3611.25
1895 1.50 21.00 60.00 263.00 353.50 548.50 0.00 z 0.00 z 0.00 z 0.00 z 49.00 9.00 1305.50
1896 12.50 19.68 a 72.50 118.00 240.50 608.00 955.50 827.00 491.00 270.50 34.00 22.50 3671.68
1897 7.00 3.00 10.00 250.50 611.00 581.50 679.50 937.50 540.00 268.00 58.50 11.50 3958.00
1898 0.00 35.50 24.00 246.00 392.00 603.00 792.50 974.50 614.00 188.00 20.50 2.50 3892.50
1899 25.50 14.50 14.00 110.50 272.00 501.00 836.50 645.00 651.00 215.50 137.50 4.00 3427.00
1900 17.50 15.08 b 160.68 a 275.50 471.00 686.00 823.64 b 635.50 a 474.50 0.00 z 0.00 z 0.00 z 3559.40
1901 2.30 d 19.70 a 70.27 a 168.50 507.00 470.17 a 811.88 b 0.00 z 202.00 q 320.50 h 0.00 z 0.00 z 2049.82
1902 26.50 i 25.57 e 22.50 201.21 a 417.50 548.79 a 715.77 c 772.50 561.50 380.27 a 24.81 d 6.41 b 3676.82
1903 7.00 1.00 72.69 b 182.07 a 403.60 e 760.71 b 758.35 d 518.50 j 466.07 b 206.50 m 84.60 e 11.07 c 2747.16
1904 0.00 b 2.59 a 19.38 c 308.89 c 413.50 431.50 h 671.00 f 444.00 p 644.40 e 288.50 i 121.00 j 6.20 a 1394.95
1905 4.00 f 45.23 b 129.34 b 292.22 c 389.88 e 233.00 r 758.00 f 886.08 a 582.93 a 143.50 78.50 0.00 2547.70
1906 1.50 16.50 131.23 a 394.50 450.50 530.50 1037.50 842.68 a 613.97 a 174.00 k 78.00 13.95 a 4110.83
1907 0.00 32.85 b 49.00 178.00 i 0.00 z 612.32 b 495.00 o 0.00 z 0.00 z 527.00 a 68.00 21.50 1310.67
1908 1.60 b 2.79 c 79.10 b 238.45 a 318.00 548.57 b 973.06 d 870.50 619.66 a 262.50 147.86 b 3.50 4065.58
1909 4.81 b 11.00 q 79.50 g 81.92 d 332.50 0.00 z 507.50 i 794.93 c 610.50 286.75 e 26.00 f 0.00 2111.41
1910 0.53 b 0.00 i 200.90 e 392.00 547.00 590.17 a 882.00 748.98 c 536.00 358.05 a 43.00 j 2.58 a 4258.23
1911 0.00 d 0.00 a 90.00 188.00 287.02 b 651.00 544.50 k 800.32 a 496.00 226.82 a 18.62 a 0.50 2758.27
1912 28.93 a 0.50 24.50 161.38 a 430.50 155.50 t 503.50 l 690.30 c 456.50 155.50 15.00 c 0.00 c 1963.12
1913 4.00 3.23 b 4.50 184.00 376.98 c 714.50 933.32 c 990.50 637.24 a 154.50 15.50 0.50 4018.78
1914 15.00 9.50 129.00 228.50 510.00 583.00 1027.98 c 892.36 c 438.50 298.00 77.50 0.00 4209.34
1915 0.00 12.00 137.50 313.50 411.50 582.50 805.00 1068.00 596.50 364.50 36.67 c 16.50 4344.17
1916 0.00 c 6.50 93.50 183.50 245.79 c 503.50 723.50 818.00 519.50 228.00 28.93 b 0.00 3350.71
1917 0.00 0.00 1.07 b 82.76 a 350.00 551.25 b 966.00 940.50 671.00 349.50 157.50 123.50 4193.08
1918 24.50 11.50 104.00 233.50 253.00 i 742.76 a 917.50 797.00 767.31 d 408.34 b 48.00 22.50 4076.91
1919 22.00 0.50 69.50 234.50 348.00 597.00 928.50 859.50 540.50 160.00 43.00 8.50 3811.50
1920 33.50 0.50 21.00 114.50 295.00 504.00 897.00 867.50 562.00 181.00 36.00 3.50 3515.50
1921 0.00 26.50 59.00 141.67 c 448.50 694.50 811.00 877.50 379.00 347.50 98.50 43.50 3927.17
1922 0.00 0.00 6.41 b 104.00 392.00 821.50 958.00 943.00 654.00 369.50 17.00 6.00 4271.41
1923 7.50 2.00 81.00 212.00 414.00 506.50 877.50 890.50 640.00 224.50 46.00 3.50 3905.00
1924 4.50 28.50 11.00 216.00 626.50 662.00 850.43 a 645.50 0.00 z 103.50 h 35.00 41.00 3120.43
1925 5.00 23.00 63.50 300.50 542.00 676.00 1010.82 c 847.33 a 590.50 215.93 b 31.03 a 9.82 a 4315.44
1926 0.00 32.00 109.50 405.50 442.78 a 684.50 955.32 a 812.00 373.50 238.00 g 79.00 17.80 d 3911.90
1927 0.00 2.50 19.50 g 143.79 a 278.50 648.00 881.00 846.50 428.00 331.50 70.86 a 7.75 a 3638.41
1928 4.50 0.00 104.50 145.50 627.00 567.41 a 963.00 436.00 m 607.50 270.00 36.00 0.00 3325.41
1929 0.00 0.00 43.00 131.00 429.00 420.50 869.11 c 973.50 477.50 396.00 38.00 20.00 3797.61
1930 3.50 52.50 98.50 360.50 401.00 548.50 899.00 919.00 578.00 166.00 96.00 0.00 4122.50
1931 5.00 1.50 41.00 178.50 506.00 575.69 a 912.00 893.00 546.50 292.00 48.50 0.00 3999.69
1932 1.50 19.50 45.50 239.00 438.50 694.00 810.50 825.00 599.00 300.00 96.50 13.50 4082.50
1933 5.50 0.00 37.00 229.50 326.00 659.00 903.50 903.00 476.50 404.50 94.00 92.00 4130.50
1934 42.50 83.00 242.00 468.00 607.00 662.00 873.50 875.50 497.00 0.00 z 133.50 5.00 4489.00
1935 19.50 15.50 21.50 151.03 a 428.50 606.50 828.00 791.00 679.50 276.93 a 4.50 l 0.00 3817.97
1936 0.00 a 6.00 43.50 375.00 601.00 689.50 910.88 a 857.50 535.50 388.50 66.00 17.00 4490.38
1937 0.00 a 0.00 89.50 128.00 487.00 612.00 898.50 752.00 631.50 383.50 66.00 4.50 4052.50
1938 1.50 1.00 52.50 223.00 429.00 684.00 962.50 794.50 788.00 314.50 12.00 25.50 4288.00
1939 8.50 0.00 127.50 297.00 517.50 549.00 903.00 909.50 614.50 302.50 161.50 87.50 4478.00
1940 12.00 22.00 142.00 265.50 575.50 732.50 901.50 880.00 652.00 383.00 8.50 29.00 4603.50
1941 0.50 26.00 173.00 306.00 420.00 562.50 955.00 823.00 404.00 233.50 113.00 23.50 4040.00
1942 0.50 0.00 67.00 282.50 325.00 491.00 878.00 892.00 609.50 341.50 8.50 0.00 3895.50
1943 0.00 6.00 72.00 279.00 326.00 485.50 870.58 a 782.50 0.00 z 341.00 41.50 7.00 3211.08
1944 6.50 4.50 41.00 245.50 496.00 591.50 872.50 772.50 640.00 495.50 40.50 0.50 g 4206.00
1945 28.50 11.00 20.50 142.50 475.00 526.50 908.00 898.50 484.00 389.00 31.50 7.00 3922.00
1946 2.50 5.00 49.50 250.50 479.00 545.50 848.00 854.57 a 525.00 135.50 10.50 26.50 3732.07
1947 5.68 a 21.00 137.50 249.50 589.00 540.00 851.50 787.50 571.50 291.00 14.00 3.00 4061.18
1948 1.50 9.00 24.50 156.50 374.00 710.00 722.50 752.78 a 557.59 a 219.50 f 11.79 b 0.00 a 3320.16
1949 0.00 3.50 49.00 305.69 a 547.50 615.50 831.00 864.50 653.00 176.00 95.50 g 6.50 4052.19
1950 0.00 12.44 a 25.00 136.00 351.50 583.00 852.00 864.00 642.00 303.50 71.50 41.50 3882.44
1951 2.00 20.00 42.50 265.00 430.00 573.00 896.50 830.50 643.50 263.50 20.00 6.41 b 3992.91
1952 0.00 2.00 42.50 317.00 478.00 582.50 873.00 866.00 708.50 529.00 41.50 4.00 4444.00
1953 52.00 13.50 83.50 203.00 364.00 469.00 825.00 818.00 673.50 422.50 126.21 a 4.50 4054.71
1954 7.00 31.00 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 38.00
Period of Record Statistics
MEAN 7.46 13.21 70.16 228.26 428.73 595.94 873.13 842.63 569.59 295.53 58.66 14.71 4015.50
S.D. 11.38 15.59 51.90 86.40 98.68 84.44 79.87 83.59 91.58 99.43 41.47 23.36 291.90
SKEW 2.07 1.98 1.07 0.49 0.23 0.35 -0.37 -0.26 -0.11 0.30 0.87 2.97 -0.20
MAX 52.00 83.00 242.00 468.00 627.00 821.50 1037.50 1068.00 788.00 529.00 161.50 123.50 4603.50
MIN 0.00 0.00 1.07 81.92 240.50 420.50 679.50 635.50 373.50 130.50 8.50 0.00 3350.71
NO YRS 59 59 58 59 59 57 54 55 56 51 54 58 36