WAPATO, WASHINGTON

Monthly Total Growing Degree Days

(458959)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1915 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 108.50 4.82 b 0.00 b 113.32
1916 0.00 0.00 a 35.50 93.50 183.00 408.50 528.00 646.00 381.50 87.66 b 4.00 0.00 2367.66
1917 0.00 a 0.00 a 0.00 a 18.46 d 230.00 383.50 730.10 b 708.72 b 423.50 194.00 1.00 14.00 2703.29
1918 0.00 z 0.00 0.00 45.00 109.00 466.50 605.50 537.00 503.50 154.50 0.52 a 17.00 2438.52
1919 0.00 0.00 19.00 124.00 241.00 383.00 704.00 658.00 330.00 89.00 14.50 0.00 a 2562.50
1920 2.50 0.00 10.50 65.50 218.55 a 413.50 741.50 639.00 313.00 93.50 1.50 0.00 2499.05
1921 0.00 3.00 9.50 54.50 318.00 468.00 639.00 649.00 220.00 137.00 10.00 6.00 2514.00
1922 0.00 0.00 0.00 59.50 247.00 635.50 751.50 648.00 478.50 0.00 z 0.00 z 0.00 z 2820.00
1923 0.00 z 0.00 z 0.00 z 174.50 246.89 c 447.00 677.87 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1546.26
1924 0.00 k 7.25 a 1.00 58.50 g 520.50 546.00 739.00 628.55 b 419.00 114.59 c 0.00 11.76 b 2987.65
1925 0.00 7.00 48.05 a 196.00 435.00 578.00 900.50 704.00 431.00 106.00 0.00 0.00 3405.55
1926 0.00 0.00 a 72.50 255.00 b 254.00 554.50 795.00 577.50 184.00 g 112.00 3.50 0.00 2624.00
1927 0.00 0.00 6.00 100.00 216.00 555.50 782.00 686.50 320.50 109.02 a 20.00 1.50 2797.02
1928 0.00 0.00 24.28 a 71.25 b 0.00 z 521.00 837.00 b 687.68 a 448.50 111.50 0.00 0.00 2701.22
1929 0.00 i 0.00 20.00 80.50 347.50 481.50 719.50 763.50 343.45 a 166.00 4.50 0.00 2926.45
1930 0.00 9.50 66.65 a 209.00 284.68 a 441.00 818.50 778.50 419.00 79.50 1.50 0.00 3107.83
1931 0.00 a 4.50 15.50 152.00 464.50 488.79 a 800.50 766.22 a 401.38 a 116.25 a 10.00 0.00 b 3219.64
1932 0.00 a 29.00 34.00 94.50 l 329.50 623.00 633.50 676.83 a 442.50 146.00 8.50 9.00 2931.83
1933 0.00 0.00 2.00 140.50 212.50 552.50 786.00 738.32 a 311.00 239.50 17.50 19.50 3019.32
1934 2.50 1.50 84.50 367.00 461.00 622.50 732.12 a 744.50 354.31 a 173.50 18.50 0.00 3561.93
1935 4.00 0.00 15.50 91.50 369.00 501.50 743.50 649.50 520.50 139.50 0.00 0.00 a 3034.50
1936 0.00 1.00 7.50 268.93 b 471.00 568.50 787.50 772.00 440.17 a 203.00 0.00 0.00 3519.60
1937 0.00 0.00 26.00 66.50 347.00 530.50 825.50 581.50 486.50 225.50 14.00 3.00 3106.00
1938 0.00 0.00 6.50 165.54 b 367.50 616.00 873.50 668.00 590.50 122.00 5.50 0.00 3415.04
1939 0.00 0.00 a 83.00 183.00 392.84 b 437.00 759.50 734.00 440.50 126.00 5.50 n 0.00 p 3155.84
1940 0.00 b 0.00 58.50 131.00 434.00 b 667.00 790.00 762.27 c 528.00 208.00 0.00 b 0.00 3578.77
1941 0.00 0.00 63.50 207.50 340.50 526.50 938.00 728.50 328.50 101.00 4.50 0.00 3238.50
1942 0.00 0.00 20.00 151.50 307.00 453.00 825.50 835.40 b 521.50 181.50 1.50 0.00 3296.90
1943 0.00 0.00 b 18.50 200.50 281.50 476.00 801.00 657.00 561.00 189.00 1.50 7.50 3193.50
1944 0.00 0.00 23.00 146.00 376.50 541.50 805.50 699.00 530.50 265.50 3.00 0.00 3390.50
1945 4.00 6.00 12.50 98.00 401.50 534.50 791.61 c 660.50 f 370.00 c 223.20 a 7.50 0.00 2448.81
1946 0.00 a 0.00 6.20 a 118.50 403.53 b 477.22 c 766.00 747.00 371.50 69.50 0.50 8.50 2968.46
1947 0.00 4.00 85.00 213.50 529.38 e 509.44 c 726.43 a 657.50 462.00 126.00 1.55 a 0.00 a 3314.81
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 688.97 a 661.85 a 595.72 a 363.10 a 76.00 f 0.00 0.00 2309.64
1949 0.00 0.00 2.50 200.50 483.08 a 537.41 a 724.50 702.15 a 471.43 b 46.50 a 13.39 b 0.00 3181.47
1950 0.00 5.00 4.50 k 39.00 g 296.50 522.00 768.00 771.38 a 504.00 83.00 4.00 0.00 2953.88
1951 0.00 11.00 7.00 178.50 360.00 567.00 783.00 707.00 458.00 129.00 0.00 0.00 3200.50
1952 0.00 0.00 23.85 e 213.75 b 390.50 504.00 774.48 a 687.88 b 500.00 245.50 0.00 0.00 3339.96
1953 10.50 0.50 14.97 b 92.50 248.52 a 368.50 707.83 a 649.00 441.50 128.00 10.20 e 0.00 2672.02
1954 0.00 0.50 1.00 70.00 366.50 387.32 b 644.50 553.50 349.50 43.00 5.50 0.00 i 2421.32
1955 0.00 u 0.00 l 0.00 b 30.00 d 232.50 d 405.50 g 613.50 685.50 390.50 82.50 11.00 0.00 2045.50
1956 0.00 a 0.00 9.00 223.50 465.50 421.50 800.00 703.18 a 430.00 109.00 1.00 3.00 3165.68
1957 0.00 2.00 7.00 136.00 480.50 559.00 638.00 595.00 492.50 85.52 b 1.50 0.00 2997.02
1958 0.00 10.00 1.00 80.50 566.50 677.50 880.50 817.50 380.50 146.00 14.00 0.00 3574.00
1959 0.00 0.00 7.50 156.00 241.50 505.00 769.00 594.50 342.50 119.00 26.50 8.50 2770.00
1960 0.00 0.00 78.50 139.00 250.50 573.50 913.95 c 597.00 432.00 155.52 a 1.00 0.00 3140.96
1961 6.50 9.50 28.50 126.50 323.00 689.50 849.50 878.00 357.00 108.00 0.00 0.00 3376.00
1962 1.00 0.00 5.00 195.00 236.00 521.50 728.00 586.00 460.00 61.50 8.00 0.00 2802.00
1963 0.00 1.50 18.00 57.00 361.50 531.50 455.00 i 722.50 579.00 203.50 0.00 0.00 2474.50
1964 0.00 0.00 22.50 59.50 280.00 490.50 694.50 571.00 354.50 114.00 0.00 0.00 2586.50
1965 0.00 2.00 24.50 177.00 317.00 556.00 766.00 721.50 372.50 163.00 13.00 0.00 3112.50
1966 0.00 0.00 61.00 169.00 416.00 461.50 675.50 730.00 509.00 115.50 0.50 0.00 3138.00
1967 0.00 0.00 3.00 11.50 344.50 611.00 792.00 852.50 570.50 150.50 7.00 0.00 3342.50
1968 2.00 6.50 29.00 84.00 325.50 552.50 819.50 600.00 450.00 51.00 1.50 0.00 2921.50
1969 0.00 0.00 29.00 87.50 434.50 672.00 700.00 611.50 431.50 55.50 2.50 0.00 3024.00
1970 0.00 0.00 6.50 27.50 335.00 670.50 796.00 743.00 291.50 91.00 0.00 0.00 2961.00
1971 9.00 0.50 4.50 72.00 418.50 411.00 797.50 866.50 296.50 136.50 3.50 0.00 3016.00
1972 0.00 8.00 55.50 55.50 470.50 585.00 771.00 795.00 321.50 128.50 0.00 0.00 3190.50
1973 0.00 0.50 13.00 178.00 432.00 578.00 863.00 749.50 482.50 111.00 1.00 0.00 3408.50
1974 0.00 0.00 17.00 106.50 258.50 666.50 707.00 786.00 495.00 107.50 2.50 0.00 3146.50
1975 0.00 0.00 3.50 62.50 340.48 a 518.50 890.00 637.50 505.00 113.50 15.50 12.50 3098.98
1976 0.00 3.00 9.00 84.00 358.00 443.00 732.50 642.00 551.00 141.50 16.00 0.00 2980.00
1977 0.00 3.00 18.50 286.00 224.00 703.50 751.00 905.00 359.00 106.00 4.50 6.00 3366.50
1978 0.00 0.00 96.00 105.50 277.50 624.50 794.50 674.50 373.50 144.00 7.00 0.00 3097.00
1979 0.00 0.00 39.50 122.50 438.50 627.00 843.50 757.00 545.00 205.50 1.00 0.50 3580.00
1980 0.00 0.00 b 7.50 g 203.00 361.00 438.46 d 764.50 607.00 445.00 150.50 5.36 b 0.00 l 2974.82
1981 0.00 c 3.63 a 29.50 145.38 d 305.50 406.00 648.50 790.50 398.00 38.50 2.00 0.00 a 2767.51
1982 0.00 11.00 6.00 52.00 283.50 592.00 680.50 671.50 353.00 38.50 0.00 0.00 2688.00
1983 0.00 0.50 9.50 94.00 399.00 439.00 588.00 708.00 293.00 64.00 8.50 0.00 2603.50
1984 0.00 0.00 8.00 29.00 167.00 418.00 729.00 647.50 344.00 100.50 0.00 a 0.00 2443.00
1985 0.00 0.00 7.50 172.00 406.50 563.00 925.50 640.50 297.00 77.00 21.50 0.00 3110.50
1986 0.00 17.50 49.00 75.50 337.00 658.00 595.00 808.50 298.50 114.00 10.00 0.00 2963.00
1987 0.00 0.00 7.00 211.00 437.00 587.00 688.00 681.00 499.00 135.50 8.00 0.00 3253.50
1988 0.00 4.00 16.00 158.00 283.00 491.00 734.50 674.50 391.00 287.00 14.50 0.00 3053.50
1989 0.00 z 0.00 3.50 177.50 318.00 585.50 696.00 636.50 436.50 104.00 38.50 0.00 2996.00
1990 0.00 4.00 36.00 221.00 254.50 514.00 829.00 741.50 581.50 64.50 30.00 0.00 3276.00
1991 0.00 2.00 4.50 127.50 256.50 397.50 745.50 776.00 496.00 153.50 0.00 0.00 2959.00
1992 0.00 0.00 57.50 156.50 439.00 694.50 701.50 716.00 341.50 154.00 0.00 0.00 3260.50
1993 0.00 0.00 5.50 48.00 439.50 467.00 514.50 621.00 419.50 154.50 0.50 0.00 2670.00
1994 0.00 0.00 59.00 189.50 387.50 461.00 856.50 725.50 517.00 108.00 0.00 0.00 3304.00
1995 0.00 12.50 7.50 65.50 360.00 467.50 716.00 550.50 497.00 88.50 4.00 0.50 2769.50
1996 0.00 0.50 4.50 114.00 188.50 468.50 773.00 658.50 319.50 131.50 0.00 0.00 2658.50
1997 0.00 0.00 18.50 67.50 380.50 450.00 673.50 754.00 430.50 76.00 2.50 0.00 2853.00
1998 0.00 0.00 28.00 103.00 0.00 z 542.00 892.50 760.00 564.50 73.50 9.00 0.00 2972.50
1999 0.00 b 0.00 22.50 91.00 226.50 469.50 623.50 748.00 0.00 z 75.50 29.00 1.50 2287.00
2000 0.00 0.00 a 1.50 160.50 295.00 517.50 705.50 692.00 388.00 70.27 a 0.00 0.00 2830.27
2001 0.00 0.00 27.00 99.50 359.50 441.50 747.50 760.00 503.00 93.50 9.50 0.00 3041.00
2002 0.00 6.50 9.00 88.50 265.00 564.50 808.50 661.00 412.50 113.50 2.00 0.00 2931.00
2003 0.00 0.00 45.00 96.00 298.50 615.50 842.00 724.50 505.00 221.50 6.00 0.00 3354.00
2004 0.00 0.00 55.50 143.50 304.00 557.50 806.00 764.00 409.00 148.00 3.00 0.00 3190.50
2005 0.00 0.00 50.00 120.50 399.00 461.00 777.50 0.00 z 396.50 122.00 2.50 0.00 2329.00
2006 0.00 0.00 0.00 z 106.50 327.50 540.50 847.00 685.50 418.50 109.50 25.50 0.00 3060.50
2007 0.00 0.00 33.58 a 95.50 349.50 508.50 848.00 659.00 397.00 55.00 1.50 3.00 2950.58
2008 0.00 1.00 0.00 z 48.50 377.50 461.50 752.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 1640.50
2009 3.50 0.00 z 0.00 z 0.00 z 318.50 0.00 z 0.00 z 0.00 z 476.00 42.00 0.00 0.00 840.00
2010 0.00 0.00 7.00 92.50 211.50 445.50 745.00 671.50 413.50 131.50 9.00 0.00 2727.00
2011 0.00 0.00 6.50 18.50 189.50 434.00 636.50 765.00 517.00 111.00 5.00 0.00 2683.00
2012 0.00 z 0.00 9.00 141.00 274.50 405.50 779.00 755.50 49.50 z 116.50 0.00 z 0.00 2481.00
2013 0.00 0.00 29.00 18.50 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 29.00
Period of Record Statistics
MEAN 0.51 2.12 23.77 125.51 335.24 523.12 754.47 698.61 427.28 124.69 6.22 1.43 3045.81
S.D. 1.75 4.45 23.56 66.35 90.46 84.08 84.54 76.55 81.06 52.02 7.89 3.84 297.72
SKEW 4.11 3.31 1.27 0.73 0.12 0.31 -0.34 0.21 -0.03 0.80 1.79 2.99 -0.23
MAX 10.50 29.00 96.00 367.00 566.50 703.50 938.00 905.00 590.50 287.00 38.50 19.50 3580.00
MIN 0.00 0.00 0.00 11.50 109.00 368.50 514.50 537.00 220.00 38.50 0.00 0.00 2367.66
NO YRS 90 94 91 92 94 95 95 92 92 94 93 93 73