PULLMAN 2 NW, WASHINGTON

Monthly Total Growing Degree Days

(456789)

Base Temperature = 40 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 60.50 t 6.00 19.50 25.50
1941 3.50 19.50 129.50 247.00 393.50 561.50 905.50 798.00 388.00 224.00 116.50 20.00 3806.50
1942 0.00 2.50 48.50 245.00 284.50 443.50 783.00 833.00 556.50 300.50 11.50 1.00 3509.50
1943 0.00 2.50 54.00 250.00 289.50 447.00 785.50 733.50 629.50 326.00 24.00 9.00 3550.50
1944 3.00 2.50 29.00 201.00 422.50 536.50 774.50 723.00 617.50 492.50 38.50 3.00 3843.50
1945 21.50 7.00 10.50 120.50 421.50 485.00 808.00 765.50 461.00 344.50 27.50 6.50 3479.00
1946 1.50 3.00 34.00 211.50 418.00 504.50 790.00 804.00 507.50 136.50 11.00 24.00 3445.50
1947 2.50 18.50 112.00 229.00 555.00 503.00 752.50 713.50 589.00 329.50 13.50 1.00 3819.00
1948 0.50 11.00 22.00 140.50 349.00 679.00 687.00 702.50 528.00 283.00 3.50 0.00 3406.00
1949 0.00 0.50 37.50 298.00 517.00 580.50 781.00 804.00 614.00 174.00 153.50 3.00 3963.00
1950 0.00 9.00 20.50 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 29.50
1951 0.00 z 0.00 z 0.00 z 213.00 0.00 z 0.00 z 581.00 l 209.50 x 171.50 s 246.50 18.50 1.50 479.50
1952 0.00 0.00 40.50 288.50 422.00 539.00 786.50 784.00 631.50 422.50 27.50 3.00 3945.00
1953 48.00 6.50 72.00 177.00 331.50 417.50 731.50 762.50 611.38 a 352.00 102.50 2.00 3614.38
1954 3.00 24.00 23.00 126.50 410.00 430.50 724.00 658.00 511.00 238.50 126.50 0.00 3275.00
1955 0.00 3.63 a 6.00 66.50 273.50 608.50 743.00 769.50 550.50 291.50 28.00 8.00 3348.63
1956 1.50 0.00 49.00 282.00 501.00 548.89 c 870.50 785.50 591.72 a 229.00 29.00 14.31 e 3902.42
1957 0.00 c 14.50 43.50 185.50 487.50 606.00 747.50 695.00 662.50 229.50 10.50 3.00 h 3682.00
1958 0.50 86.50 53.00 136.00 590.50 677.00 909.50 968.00 553.50 375.00 63.50 19.50 4432.50
1959 16.00 1.50 44.50 202.50 285.50 577.00 821.50 690.50 470.50 247.50 48.50 6.00 3411.50
1960 3.10 a 2.50 141.50 201.50 333.00 571.00 921.50 719.50 590.50 297.50 21.00 0.50 3803.10
1961 11.50 32.50 68.00 148.00 381.00 734.50 874.00 973.00 415.00 223.00 15.00 a 2.00 3877.50
1962 6.50 23.00 21.50 260.50 262.50 519.83 a 741.50 721.00 574.50 272.00 62.00 13.50 3478.33
1963 1.00 48.00 72.00 135.00 405.00 572.00 691.00 799.00 752.00 385.00 51.50 0.50 3912.00
1964 1.50 0.50 46.50 86.50 355.00 545.00 770.50 667.50 460.00 333.50 42.50 9.50 3318.50
1965 4.00 32.50 42.50 232.50 343.50 541.00 832.00 814.00 432.00 443.00 108.62 a 20.00 3845.62
1966 5.00 1.50 92.50 173.50 464.50 512.50 734.00 773.00 641.50 248.50 51.50 10.00 3708.00
1967 15.00 21.00 26.50 62.00 352.00 625.00 846.50 958.00 716.50 278.50 58.00 6.50 3965.50
1968 6.50 77.00 120.50 138.50 396.50 582.50 845.00 730.00 558.00 204.00 26.00 3.00 3687.50
1969 0.00 0.00 69.50 212.00 472.00 675.00 751.00 743.50 599.50 167.00 72.50 2.50 3764.50
1970 2.50 16.00 22.00 58.50 401.00 701.00 856.00 848.00 408.50 244.00 53.00 6.00 3616.50
1971 34.00 37.00 18.50 131.00 433.50 444.50 784.50 955.50 421.50 240.00 27.00 0.00 a 3527.00
1972 7.00 19.50 124.50 109.50 476.00 588.62 a 769.50 886.00 435.50 271.50 51.00 18.00 3756.62
1973 17.00 22.00 48.00 165.00 435.50 580.50 827.00 795.00 557.50 231.00 27.50 7.50 3713.50
1974 15.50 1.50 52.00 149.50 290.00 656.50 0.00 z 783.00 604.50 334.00 26.50 4.00 2917.00
1975 3.50 0.00 13.50 53.00 333.00 484.50 891.50 680.50 562.00 224.00 72.00 32.50 3350.00
1976 7.00 0.50 17.00 138.00 384.50 442.00 725.50 702.00 648.50 254.00 68.00 2.00 3389.00
1977 2.50 40.50 19.00 291.50 282.50 680.50 753.50 895.00 433.50 222.00 28.50 20.50 3669.50
1978 1.50 19.00 154.50 142.00 301.50 577.50 773.00 733.50 479.00 262.00 24.50 0.00 3468.00
1979 0.00 2.00 78.50 161.50 430.00 600.50 793.50 806.00 653.00 327.00 10.50 22.50 3885.00
1980 0.00 a 28.00 19.00 297.93 a 363.50 453.00 744.50 623.50 545.50 296.50 86.00 55.00 3512.43
1981 24.00 37.00 76.50 175.50 347.50 442.00 680.00 864.00 553.50 175.00 110.56 c 10.00 3495.56
1982 1.50 24.50 46.50 109.00 357.00 634.00 740.50 803.50 542.50 212.50 12.00 9.00 3492.50
1983 21.50 47.50 107.50 148.00 434.00 533.50 689.50 878.00 437.50 277.50 73.00 0.00 3647.50
1984 5.50 3.50 64.50 133.00 314.50 526.50 811.50 846.00 475.00 209.00 29.00 0.00 3418.00
1985 0.00 0.00 33.50 265.50 466.50 584.50 950.50 741.50 376.50 215.50 26.50 0.00 3660.50
1986 5.00 55.00 158.00 168.50 426.50 707.50 669.50 930.00 423.50 311.50 12.50 0.00 3867.50
1987 0.00 19.00 81.00 355.50 515.00 664.00 782.00 761.00 647.00 337.00 89.50 23.00 4274.00
1988 1.50 49.50 54.50 245.50 399.50 573.50 776.50 803.00 549.00 488.00 67.00 7.50 4015.00
1989 0.00 0.00 52.50 270.50 382.00 618.00 784.50 722.00 600.50 264.00 78.00 7.00 3779.00
1990 8.00 21.50 86.50 298.50 361.00 567.00 869.00 853.50 732.00 206.00 75.50 3.50 4082.00
1991 6.00 53.50 30.50 190.00 316.00 460.50 802.00 898.50 637.00 330.00 41.50 4.50 3770.00
1992 12.50 41.00 177.00 289.50 516.00 733.00 801.50 865.50 527.50 357.50 19.50 0.00 4340.50
1993 0.00 0.50 60.00 190.00 593.00 611.50 643.50 752.00 574.00 360.50 15.00 8.50 3808.50
1994 18.00 5.50 134.00 284.50 490.00 568.00 924.00 870.50 664.50 226.50 3.10 a 5.00 4193.60
1995 9.50 88.50 69.50 162.00 436.00 509.50 795.50 701.00 627.00 178.00 101.50 14.50 3692.50
1996 13.50 27.50 0.00 z 200.00 289.00 563.50 853.00 869.00 483.50 256.50 37.00 0.00 3592.50
1997 1.50 10.00 0.00 z 118.50 488.00 502.50 786.00 915.00 645.00 261.50 50.00 0.00 3778.00
1998 4.00 29.00 101.00 179.00 396.00 554.50 993.00 933.50 742.50 281.00 45.50 1.50 4260.50
1999 1.00 0.00 82.50 135.00 297.00 497.00 701.50 902.50 502.50 266.00 141.00 3.10 a 3529.10
2000 0.00 3.00 12.50 228.00 381.50 537.50 763.50 756.00 470.00 210.00 1.03 a 0.00 3363.03
2001 0.00 0.00 75.00 161.50 527.00 574.50 834.00 907.50 686.50 250.00 117.00 0.50 4133.50
2002 9.00 8.50 13.50 194.50 373.50 614.00 876.00 746.50 584.50 163.00 78.50 25.00 3686.50
2003 31.00 8.50 115.00 194.00 401.00 635.50 903.50 858.00 627.00 416.00 30.50 0.00 4220.00
2004 3.50 10.00 161.00 247.50 392.00 584.50 873.00 897.50 540.00 292.00 48.50 16.00 4065.50
2005 49.00 23.50 120.50 196.00 481.50 525.00 854.50 830.50 473.50 298.50 23.00 20.00 3895.50
2006 16.00 12.50 53.00 203.00 461.00 676.03 a 573.00 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1421.53
Period of Record Statistics
MEAN 7.50 18.71 64.48 189.38 401.41 566.09 798.14 801.63 556.89 278.80 48.76 8.37 3740.51
S.D. 10.75 21.21 43.37 67.41 80.25 78.34 73.33 85.31 91.97 75.66 36.76 10.11 281.81
SKEW 2.20 1.52 0.81 0.12 0.31 0.14 0.31 0.19 0.00 0.78 0.95 1.99 0.46
MAX 49.00 88.50 177.00 355.50 593.00 734.50 993.00 973.00 752.00 492.50 153.50 55.00 4432.50
MIN 0.00 0.00 6.00 53.00 262.50 417.50 643.50 623.50 376.50 136.50 1.03 0.00 3275.00
NO YRS 65 65 63 65 64 64 62 63 63 64 65 64 59