PULLMAN 2 NW, WASHINGTON

Monthly Total Growing Degree Days

(456789)

Base Temperature = 50 F

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1940 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 5.50 t 0.00 0.00 0.00
1941 0.00 0.00 13.50 44.50 123.50 264.50 595.50 488.00 106.00 22.00 1.00 0.00 1658.50
1942 0.00 0.00 11.50 47.00 69.50 146.50 473.00 524.00 266.50 86.50 0.00 0.00 1624.50
1943 0.00 0.00 0.50 61.50 70.50 162.00 475.50 423.50 334.50 153.00 0.00 0.00 1681.00
1944 0.00 0.00 0.00 37.00 144.50 237.00 464.50 413.00 326.50 189.50 0.00 0.00 1812.00
1945 0.00 0.00 0.00 12.50 127.00 195.00 498.00 455.50 197.50 130.50 0.00 0.00 1616.00
1946 0.00 0.00 0.50 43.50 118.00 208.00 480.00 494.00 217.50 3.00 0.00 0.00 1564.50
1947 0.00 0.00 5.00 50.00 247.50 203.00 442.50 403.50 302.50 84.50 0.00 0.00 1738.50
1948 0.00 0.00 0.00 32.00 124.00 379.00 377.00 392.50 241.50 75.50 0.00 0.00 1621.50
1949 0.00 0.00 0.00 71.50 239.00 284.00 471.00 494.00 319.50 14.00 14.50 0.00 1907.50
1950 0.00 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
1951 0.00 z 0.00 z 0.00 z 18.50 0.00 z 0.00 z 391.00 l 139.50 x 64.50 s 84.00 0.00 0.00 102.50
1952 0.00 0.00 1.00 95.50 137.50 243.00 476.50 474.00 333.50 143.00 0.00 0.00 1904.00
1953 0.00 0.00 9.50 36.50 75.00 121.50 421.50 452.50 317.07 a 102.50 4.50 0.00 1540.57
1954 0.00 0.00 0.00 11.50 150.50 159.00 414.00 348.00 226.00 62.50 7.00 0.00 1378.50
1955 0.00 0.00 a 0.00 5.00 51.50 308.50 436.50 459.50 263.00 64.00 0.00 0.00 1588.00
1956 0.00 0.00 0.00 69.50 225.50 250.00 c 560.50 475.50 291.72 a 44.00 0.00 0.00 e 1916.72
1957 0.00 c 0.00 0.00 33.50 186.50 307.50 437.50 385.00 372.50 40.50 0.00 0.00 h 1763.00
1958 0.00 5.00 0.00 7.00 291.50 377.00 599.50 658.00 271.50 132.50 0.00 0.00 2342.00
1959 0.00 0.00 0.00 25.50 67.50 277.00 511.50 380.50 191.50 49.50 2.00 0.00 1505.00
1960 0.00 a 0.00 32.50 41.50 77.00 272.00 611.50 409.50 294.50 80.00 0.00 0.00 1818.50
1961 0.00 0.00 0.00 16.50 113.00 434.50 564.00 663.00 145.00 71.50 0.00 a 0.00 2007.50
1962 0.00 0.00 0.00 70.50 30.00 235.86 a 431.50 411.00 282.50 54.50 0.00 0.00 1515.86
1963 0.00 0.00 4.50 15.50 137.50 272.00 381.00 489.00 455.00 152.50 0.00 0.00 1907.00
1964 0.00 0.00 11.00 0.00 112.50 248.00 460.50 359.00 166.00 86.00 1.50 0.00 1444.50
1965 0.00 0.00 0.00 38.50 98.00 242.50 522.00 504.00 159.50 157.50 6.72 a 0.00 1728.72
1966 0.00 0.00 6.50 15.50 192.50 221.50 424.00 463.00 341.50 61.00 0.00 0.00 1725.50
1967 0.00 0.00 0.00 0.00 105.00 325.00 536.50 648.00 416.50 51.50 0.00 0.00 2082.50
1968 0.00 1.00 9.50 34.00 110.00 282.50 535.00 420.00 278.00 29.00 0.00 0.00 1699.00
1969 0.00 0.00 3.00 34.50 204.50 375.00 441.00 433.50 305.50 28.50 0.00 0.00 1825.50
1970 0.00 0.00 0.00 1.00 142.50 402.00 546.00 538.00 159.00 83.00 0.00 0.00 1871.50
1971 1.50 0.00 0.00 8.50 173.50 157.00 477.50 645.50 153.00 93.50 0.00 0.00 a 1710.00
1972 0.00 0.00 12.50 14.50 202.50 289.14 a 459.50 576.00 183.00 59.50 0.00 0.00 1796.64
1973 0.00 0.00 0.00 23.00 177.50 286.50 517.00 485.00 263.00 38.50 0.00 0.00 1790.50
1974 0.00 0.00 2.00 11.50 78.00 359.50 0.00 z 473.00 312.00 97.50 0.00 0.00 1333.50
1975 0.00 0.00 0.00 0.00 97.50 191.50 581.50 370.50 265.00 71.50 12.50 0.00 1590.00
1976 0.00 0.00 0.00 15.00 116.50 181.00 415.50 392.50 355.00 83.00 0.00 0.00 1558.50
1977 0.00 0.00 0.00 116.50 64.50 380.50 447.00 586.00 166.00 34.00 0.00 0.00 1794.50
1978 0.00 0.00 24.50 15.50 60.00 279.00 463.00 423.50 200.50 54.00 4.50 0.00 1524.50
1979 0.00 0.00 0.00 28.00 150.00 303.50 484.50 496.00 353.00 107.00 0.00 0.00 1922.00
1980 0.00 a 0.50 0.00 95.17 a 106.00 165.50 434.50 319.50 248.00 94.00 6.00 7.00 1476.17
1981 0.50 0.00 1.50 36.00 105.50 145.50 370.00 554.00 283.00 24.50 8.33 c 0.00 1528.83
1982 0.00 0.00 0.00 16.00 104.00 336.00 430.50 493.50 260.00 37.00 0.00 0.00 1677.00
1983 0.00 0.00 1.50 28.00 180.00 233.50 379.50 568.00 187.50 52.50 2.50 0.00 1633.00
1984 0.00 0.00 0.00 25.50 90.00 236.00 501.50 536.00 211.50 83.50 0.00 0.00 1684.00
1985 0.00 0.00 0.00 74.00 213.50 286.00 640.50 431.50 111.00 34.00 0.00 0.00 1790.50
1986 0.00 6.50 17.50 34.50 205.00 410.00 361.50 620.00 147.00 68.50 0.00 0.00 1870.50
1987 0.00 0.00 4.00 121.50 234.00 369.00 472.00 451.00 354.50 94.50 2.00 0.00 2102.50
1988 0.00 0.00 1.50 68.50 151.00 279.00 466.50 493.00 270.00 229.00 15.00 0.00 1973.50
1989 0.00 0.00 0.00 62.00 117.50 318.00 474.50 412.50 300.50 59.00 12.50 0.00 1756.50
1990 0.00 0.00 3.50 62.50 93.00 273.50 559.00 543.50 432.00 39.00 5.00 0.00 2011.00
1991 0.00 0.00 0.50 33.00 51.50 173.00 492.00 588.50 339.50 130.50 0.00 0.00 1808.50
1992 0.00 0.00 17.50 87.00 236.00 436.50 491.50 567.50 238.50 120.50 0.00 0.00 2195.00
1993 0.00 0.00 0.00 2.50 306.00 312.00 333.50 442.00 289.00 109.50 0.00 0.00 1794.50
1994 0.00 0.00 14.50 88.00 189.00 270.00 616.00 560.50 364.50 37.50 0.00 a 0.00 2140.00
1995 0.00 7.00 0.00 13.50 144.50 228.00 485.50 391.00 328.50 23.50 2.50 0.00 1624.00
1996 0.00 0.00 0.00 z 43.00 63.00 266.50 543.00 559.00 214.50 105.00 0.00 0.00 1794.00
1997 0.00 0.00 0.00 z 13.00 209.00 204.50 476.00 605.00 349.00 63.50 1.50 0.00 1921.50
1998 0.00 0.00 6.50 51.00 141.50 255.00 683.00 623.50 442.50 69.50 0.00 0.00 2272.50
1999 0.00 0.00 10.00 26.00 96.50 212.50 394.50 592.50 223.00 58.00 25.00 0.00 a 1638.00
2000 0.00 0.00 0.00 35.50 124.50 248.00 453.50 446.00 207.50 35.50 0.00 a 0.00 1550.50
2001 0.00 0.00 10.50 58.50 259.50 284.00 524.00 597.50 386.50 33.00 4.00 0.00 2157.50
2002 0.00 0.00 0.00 18.50 133.00 324.50 566.00 436.50 287.00 18.00 0.50 1.00 1785.00
2003 0.00 0.00 16.50 33.50 160.00 335.50 593.50 548.00 332.00 177.00 4.50 0.00 2200.50
2004 0.00 0.00 20.00 33.00 118.00 288.00 563.00 587.50 242.00 82.00 1.00 0.50 1935.00
2005 0.00 0.00 7.00 37.50 190.00 229.00 544.50 520.50 183.50 66.00 0.00 0.00 1778.00
2006 0.00 0.00 0.00 26.50 198.00 376.03 a 373.00 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 600.53
Period of Record Statistics
MEAN 0.03 0.31 4.44 37.32 142.36 271.19 488.43 491.98 270.87 76.86 2.22 0.13 1781.25
S.D. 0.20 1.32 7.09 28.31 62.37 74.67 73.18 85.24 81.72 45.62 4.64 0.88 218.75
SKEW 6.93 4.39 1.85 1.03 0.54 0.22 0.32 0.20 0.09 1.02 2.83 7.54 0.58
MAX 1.50 7.00 32.50 121.50 306.00 436.50 683.00 663.00 455.00 229.00 25.00 7.00 2342.00
MIN 0.00 0.00 0.00 0.00 30.00 121.50 333.50 319.50 106.00 3.00 0.00 0.00 1378.50
NO YRS 65 65 63 65 64 64 62 63 63 64 65 64 59