PULLMAN EXP STN, WASHINGTON

Monthly Total Growing Degree Days

(456784)

Base Temperature = 50 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 98.00 164.50 389.50 463.00 241.50 3.00 0.00 0.00 1359.50
1894 0.00 0.00 b 0.00 a 28.50 190.65 a 235.00 512.00 560.50 153.00 45.00 3.00 0.00 1727.65
1895 0.00 0.00 5.00 61.00 104.50 259.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 0.00 430.00
1896 0.00 0.00 a 5.50 0.50 67.50 314.50 645.50 517.00 204.00 62.00 8.00 0.00 1824.50
1897 0.00 0.00 0.00 80.50 309.00 293.00 369.50 627.50 242.50 64.50 4.50 0.00 1991.00
1898 0.00 0.00 0.00 47.00 113.50 307.00 482.50 664.50 325.00 10.00 0.00 0.00 1949.50
1899 0.00 1.50 0.00 11.50 49.00 212.50 526.50 335.00 351.00 49.50 0.50 0.00 1537.00
1900 0.00 0.54 b 10.85 a 64.00 180.00 386.00 513.64 b 325.50 a 209.00 0.00 z 0.00 z 0.00 z 1689.53
1901 0.00 d 0.52 a 0.00 a 19.50 212.00 188.79 a 501.88 b 0.00 z 77.50 q 122.00 h 0.00 z 0.00 z 922.69
1902 0.00 i 0.00 e 0.00 19.14 a 159.00 251.38 a 415.18 c 462.50 274.00 112.12 a 0.00 d 0.00 b 1693.31
1903 0.00 0.00 0.53 b 40.34 a 162.75 e 460.71 b 448.35 d 309.50 j 184.29 b 45.50 m 15.60 e 0.00 c 1312.58
1904 0.00 b 0.00 a 0.00 c 102.78 c 127.50 214.00 h 421.00 f 294.00 p 344.40 e 88.50 i 11.50 j 0.00 a 574.68
1905 0.00 f 0.00 b 8.55 b 59.44 c 141.29 e 113.00 r 508.00 f 576.08 a 297.41 a 33.00 0.00 0.00 1115.78
1906 0.00 0.00 11.37 a 149.50 170.50 238.00 727.50 532.68 a 316.55 a 49.50 k 1.00 0.00 a 2147.10
1907 0.00 0.00 b 0.00 45.50 i 0.00 z 319.82 b 335.00 o 0.00 z 0.00 z 223.72 a 0.00 0.00 543.54
1908 0.00 b 0.00 c 3.21 b 56.38 a 81.50 274.82 b 663.06 d 560.50 343.45 a 59.00 29.46 b 0.00 2071.38
1909 0.00 b 0.00 q 0.00 g 3.46 d 74.00 0.00 z 287.50 i 484.93 c 328.00 58.42 e 0.00 f 0.00 948.81
1910 0.00 b 0.00 i 22.06 e 169.00 237.50 290.17 a 572.00 440.09 c 242.00 91.97 a 0.00 j 0.00 a 2064.79
1911 0.00 d 0.00 a 1.50 34.00 61.47 b 351.50 344.50 k 490.32 a 205.50 34.10 a 0.00 a 0.00 1178.38
1912 7.23 a 0.00 0.00 10.86 a 161.50 62.50 t 316.00 l 382.52 c 162.00 25.00 0.00 c 0.00 c 749.11
1913 0.00 0.00 b 0.00 48.00 142.27 c 414.50 623.32 c 680.50 337.24 a 33.50 0.00 0.00 2279.33
1914 0.00 0.00 0.50 23.00 213.50 299.50 717.98 c 582.36 c 182.50 69.50 0.00 0.00 2088.84
1915 0.00 0.00 14.50 77.50 122.50 285.00 495.00 758.00 298.00 87.50 2.22 c 0.00 2140.22
1916 0.00 c 0.00 1.50 26.00 41.52 c 219.00 413.50 508.00 231.50 49.00 0.54 b 0.00 1490.55
1917 0.00 0.00 0.00 b 0.00 a 92.50 273.75 b 656.00 630.50 374.50 154.00 12.50 15.00 2208.75
1918 1.00 0.00 6.50 59.50 85.50 i 449.48 a 607.50 488.00 467.88 d 158.21 b 0.00 0.00 2238.07
1919 0.00 0.00 6.00 47.00 117.50 301.50 618.50 549.50 251.50 23.50 0.00 0.00 1915.00
1920 0.00 0.00 0.00 12.00 58.00 206.50 587.00 557.50 275.50 43.00 0.00 0.00 1739.50
1921 0.00 0.00 0.50 15.00 c 156.50 395.00 501.00 567.50 118.00 109.00 2.00 8.00 1872.50
1922 0.00 0.00 0.00 b 7.50 142.00 521.50 648.00 633.00 359.50 118.50 0.00 0.00 2430.00
1923 0.00 0.00 17.00 31.50 134.00 231.00 567.50 580.50 350.00 60.50 0.00 0.00 1972.00
1924 0.00 1.00 0.00 27.50 329.50 374.00 540.43 a 341.00 0.00 z 7.50 h 0.00 4.50 1617.93
1925 0.00 0.00 0.00 78.50 245.50 383.50 700.82 c 537.85 a 302.50 17.10 b 0.00 a 0.00 a 2265.78
1926 0.00 0.00 3.50 172.50 148.80 a 392.00 645.32 a 502.00 130.00 34.00 g 1.00 0.00 d 1995.12
1927 0.00 0.00 0.00 g 30.00 a 70.00 348.00 571.00 536.50 162.50 109.00 1.55 a 0.00 a 1828.55
1928 0.00 0.00 16.50 24.50 337.00 278.28 a 653.00 256.00 m 310.00 53.50 0.00 0.00 1672.78
1929 0.00 0.00 2.00 13.50 154.00 170.50 559.11 c 663.50 212.00 138.50 0.00 0.00 1913.11
1930 0.00 2.00 5.50 91.50 135.00 249.00 589.00 609.00 281.50 24.50 6.00 0.00 1993.00
1931 0.00 0.00 0.00 36.50 233.50 275.69 a 602.00 583.00 252.00 60.00 2.50 0.00 2045.19
1932 0.00 0.00 1.50 53.00 148.50 395.00 500.50 515.00 305.50 109.00 0.00 0.00 2028.00
1933 0.00 0.00 0.00 72.00 87.00 359.00 593.50 593.00 203.00 148.50 7.00 15.00 2078.00
1934 0.00 0.00 37.00 192.50 302.00 365.00 563.50 565.50 243.50 0.00 z 5.00 0.00 2274.00
1935 0.00 0.00 3.50 16.03 a 137.50 306.50 518.00 481.00 380.00 71.82 a 0.00 l 0.00 1914.35
1936 0.00 a 0.00 0.00 149.50 300.00 390.50 600.88 a 547.50 249.50 126.50 2.00 0.00 2366.38
1937 0.00 a 0.00 1.00 15.50 188.50 312.00 588.50 442.00 334.50 120.00 0.50 0.00 2002.50
1938 0.00 0.00 0.00 34.50 163.50 391.50 652.50 484.50 488.00 73.50 0.00 0.00 2288.00
1939 0.00 0.00 24.50 82.00 211.50 252.50 593.00 599.50 314.50 63.00 6.00 3.50 2150.00
1940 0.00 0.00 3.00 34.50 269.00 432.50 591.50 570.00 352.50 122.50 0.00 0.00 2375.50
1941 0.00 0.00 22.50 83.00 141.50 267.50 645.00 513.00 117.00 15.00 2.00 0.00 1806.50
1942 0.00 0.00 12.00 65.50 86.50 192.00 568.00 582.00 315.00 104.00 0.00 0.00 1925.00
1943 0.00 0.00 1.50 70.50 102.00 196.00 560.58 a 472.50 0.00 z 155.50 0.00 0.00 1558.58
1944 0.00 0.00 0.00 58.00 208.00 291.50 562.50 462.50 348.00 189.50 0.00 0.00 g 2120.00
1945 0.00 0.00 0.00 19.50 171.50 231.00 598.00 588.50 209.50 153.00 1.50 0.00 1972.50
1946 0.00 0.00 1.00 62.00 174.50 248.00 538.00 544.57 a 235.00 2.00 0.00 0.00 1805.07
1947 0.00 a 0.00 12.50 59.00 279.50 240.00 541.50 477.50 287.00 54.50 0.00 0.00 1951.50
1948 0.00 0.00 0.00 38.00 134.50 410.00 412.50 442.78 a 271.55 a 47.00 f 0.00 b 0.00 a 1709.34
1949 0.00 0.00 0.00 79.14 a 268.00 322.00 521.00 554.50 358.50 11.00 3.50 g 0.00 2114.14
1950 0.00 0.00 a 0.00 11.00 109.00 293.00 542.00 554.00 364.50 64.50 0.00 0.00 1938.00
1951 0.00 0.00 1.00 51.50 161.50 288.00 586.50 520.50 345.00 90.00 0.00 0.00 b 2044.00
1952 0.00 0.00 4.50 112.00 195.00 289.00 563.00 556.00 409.00 225.50 0.50 0.00 2354.50
1953 0.00 0.00 8.50 54.50 119.50 171.00 515.00 508.00 379.50 156.50 11.90 a 0.00 1924.40
1954 0.00 0.00 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 0.00
Period of Record Statistics
MEAN 0.14 0.09 4.77 54.10 161.58 302.78 563.31 532.82 282.69 83.06 2.35 0.79 2012.91
S.D. 0.95 0.35 7.67 43.86 73.09 80.51 79.53 83.25 82.57 55.83 5.11 2.99 220.13
SKEW 7.29 4.13 2.14 1.37 0.64 0.42 -0.35 -0.24 0.01 0.68 3.46 4.07 -0.14
MAX 7.23 2.00 37.00 192.50 337.00 521.50 727.50 758.00 488.00 225.50 29.46 15.00 2430.00
MIN 0.00 0.00 0.00 0.00 41.52 164.50 369.50 325.50 117.00 2.00 0.00 0.00 1490.55
NO YRS 59 59 58 59 59 57 54 55 56 51 54 58 36