OMAK AP, WASHINGTON

Monthly Total Growing Degree Days

(456123)

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
1909 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 t 0.00 0.00
1910 0.00 b 0.00 c 25.00 m 192.00 333.00 425.50 809.50 564.00 395.69 a 21.50 q 0.50 f 0.00 c 2719.69
1911 0.00 0.00 6.50 i 0.00 z 0.00 z 0.00 z 450.00 o 617.50 316.50 85.00 0.00 0.00 a 1019.00
1912 0.00 0.00 10.50 61.00 313.00 524.00 612.50 536.00 239.50 41.85 a 0.00 0.00 2338.35
1913 0.00 0.00 0.00 99.50 239.50 479.00 628.00 696.50 303.00 33.00 0.00 0.00 2478.50
1914 0.00 0.00 2.50 122.50 323.50 429.00 708.50 698.00 243.50 56.83 a 2.50 0.00 2586.83
1915 0.00 0.00 11.50 151.50 228.00 410.50 668.50 790.00 338.00 75.00 0.00 0.00 a 2673.00
1916 0.00 0.00 0.00 98.50 202.50 426.50 561.00 676.00 361.00 54.00 0.00 0.00 2379.50
1917 0.00 0.00 0.00 16.00 228.00 397.50 751.00 782.00 418.00 187.00 0.00 0.00 2779.50
1918 0.00 0.00 2.50 115.50 228.50 616.00 738.50 591.50 547.50 131.50 2.00 0.00 2973.50
1919 0.00 0.00 12.00 120.50 262.00 421.00 771.00 730.50 356.90 a 48.00 0.00 0.00 2721.90
1920 0.00 0.00 5.50 47.00 189.00 459.00 845.50 756.00 393.50 77.50 0.00 0.00 2773.00
1921 0.00 0.00 2.50 37.00 334.00 554.00 736.50 732.00 224.50 106.50 0.00 0.00 2727.00
1922 0.00 0.00 0.00 35.00 229.50 666.00 832.00 702.00 456.00 107.50 0.00 0.00 3028.00
1923 0.00 0.00 9.50 77.00 274.00 441.50 774.00 700.00 436.50 137.50 0.00 0.00 2850.00
1924 0.00 0.00 0.00 57.50 452.00 525.50 824.00 683.50 393.50 72.50 0.50 0.00 3009.00
1925 0.00 0.00 9.00 158.50 395.50 521.67 c 856.00 610.00 406.50 52.50 0.00 0.00 3009.67
1926 0.00 a 0.00 43.00 257.00 323.36 b 671.50 873.50 728.50 a 240.50 70.00 0.00 0.00 a 3207.36
1927 0.00 0.00 0.00 97.50 208.00 562.50 833.00 773.50 300.50 77.50 0.00 0.00 2852.50
1928 0.00 0.00 15.50 42.00 428.00 533.50 831.00 680.50 360.00 43.50 3.50 0.00 2937.50
1929 0.00 0.00 7.00 54.50 258.50 447.50 639.50 666.50 271.00 78.50 0.00 0.00 2423.00
1930 0.00 0.00 35.50 149.50 258.00 415.50 727.00 700.50 380.50 64.00 0.00 0.00 2730.50
1931 0.00 0.00 3.00 109.50 394.50 503.50 763.00 678.50 348.50 75.50 1.00 0.00 2877.00
1932 0.00 0.00 5.50 121.00 278.00 576.72 a 587.00 661.00 384.00 101.00 1.00 2.00 2717.22
1933 0.00 0.00 0.00 102.50 154.50 449.50 714.00 697.50 267.00 99.00 5.00 0.00 2489.00
1934 0.00 0.00 25.00 259.50 377.00 559.50 732.00 740.50 286.00 136.00 3.00 0.00 3118.50
1935 0.00 0.00 2.00 49.50 253.00 471.50 682.50 627.50 458.50 106.50 0.00 0.00 2651.00
1936 0.00 0.00 0.00 205.00 408.50 495.50 663.50 666.50 327.00 146.00 0.00 0.00 2912.00
1937 0.00 0.00 1.50 50.00 264.50 435.50 735.50 513.00 395.50 73.50 0.00 0.00 2469.00
1938 0.00 0.00 1.50 87.00 300.00 571.50 810.00 581.50 529.00 105.00 1.00 0.00 2986.50
1939 0.00 0.00 26.50 132.00 349.00 413.00 787.50 763.00 430.50 106.50 0.00 0.00 3008.00
1940 0.00 0.00 21.50 119.00 246.50 l 541.50 747.00 669.00 510.50 149.00 0.00 0.00 2757.50
1941 0.00 0.00 34.50 155.50 304.00 508.00 807.00 616.00 205.50 44.00 0.00 0.00 2674.50
1942 0.00 0.00 7.00 134.00 256.00 436.00 730.00 740.00 414.00 88.50 0.00 0.00 2805.50
1943 0.00 0.00 7.00 132.50 191.50 440.00 716.50 618.50 393.00 143.00 0.00 0.00 2642.00
1944 0.00 0.00 5.00 114.50 329.50 578.00 756.50 646.00 431.50 134.50 1.50 0.00 2997.00
1945 0.00 0.00 6.50 76.00 335.00 497.50 699.50 562.00 183.00 70.50 0.00 0.00 2430.00
1946 0.00 0.00 7.00 79.00 335.00 370.00 624.00 583.50 257.50 21.00 0.00 0.00 2277.00
1947 0.00 0.00 18.00 70.00 371.50 373.00 567.00 496.50 291.00 64.00 0.00 0.00 2251.00
1948 0.00 0.00 0.00 31.00 192.00 0.00 z 482.50 457.50 221.00 20.50 0.00 0.00 1404.50
1949 0.00 0.00 0.00 64.50 347.50 404.50 602.00 567.09 b 304.50 9.41 c 0.00 0.00 2299.50
1950 0.00 0.00 c 0.00 14.50 169.00 394.50 0.00 z 636.00 338.57 b 17.50 0.00 a 0.00 1570.07
1951 0.00 0.00 0.00 29.50 223.00 407.00 670.50 609.00 281.50 66.02 d 0.00 0.00 2286.52
1952 0.00 0.00 0.52 a 85.71 b 261.50 380.77 d 615.50 558.00 372.50 123.00 0.00 0.00 2397.50
1953 0.00 0.00 0.50 51.00 177.00 315.50 652.50 588.00 0.00 z 70.00 0.00 0.00 1854.50
1954 0.00 0.00 e 0.00 32.07 a 272.50 308.00 554.50 517.00 302.00 22.50 1.00 0.00 2009.57
1955 0.00 0.00 a 0.00 8.50 133.00 458.50 594.54 c 599.00 306.00 21.50 0.00 0.00 2121.04
1956 0.00 0.00 0.00 107.50 340.50 381.92 d 677.00 592.00 313.00 45.00 0.00 0.00 2456.92
1957 0.00 b 0.00 0.00 66.43 b 366.50 444.00 582.00 543.00 397.00 25.00 f 0.00 0.00 2398.93
1958 0.00 0.00 0.00 17.50 432.50 591.50 715.50 699.50 264.00 60.00 0.00 0.00 2780.50
1959 0.00 0.00 0.00 h 52.00 140.50 413.00 637.50 477.50 192.00 13.00 h 0.00 0.00 1912.50
1960 0.00 0.00 16.00 61.50 134.85 a 417.50 600.00 h 516.00 322.50 68.50 0.00 0.00 1536.85
1961 0.00 0.00 7.00 39.50 222.50 574.50 741.50 724.00 230.50 27.50 0.00 0.00 2567.00
1962 0.00 0.00 0.00 80.50 164.00 403.00 633.50 502.50 364.00 32.00 0.00 0.00 2179.50
1963 0.00 0.00 2.50 27.93 a 266.50 433.00 561.50 636.50 447.50 108.00 0.00 0.00 2483.43
1964 0.00 0.00 0.00 25.50 174.50 447.00 590.00 470.50 203.50 45.50 0.00 0.00 1956.50
1965 0.00 0.00 2.50 63.00 205.50 439.00 646.00 622.00 210.00 63.50 0.00 0.00 f 2251.50
1966 0.00 0.00 11.00 44.00 241.50 357.50 542.50 559.50 415.50 34.50 0.00 a 0.00 2206.00
1967 0.00 0.00 a 0.00 2.00 176.00 512.50 652.00 719.00 428.50 44.00 0.00 0.00 2534.00
1968 0.00 0.00 4.50 29.50 210.00 408.00 694.00 498.00 313.50 8.50 0.00 0.00 2166.00
1969 0.00 0.00 0.00 30.50 317.50 551.00 561.00 529.00 292.50 7.50 0.00 0.00 a 2289.00
1970 0.00 0.00 0.00 12.50 216.00 518.50 691.00 583.00 170.00 42.00 0.00 a 0.00 2233.00
1971 0.00 0.00 0.00 46.50 285.50 324.50 623.50 645.50 173.00 54.00 0.00 0.00 2152.50
1972 0.00 0.00 1.50 9.50 249.50 392.00 530.50 578.00 180.00 28.50 0.00 0.00 c 1969.50
1973 0.00 0.00 0.00 55.50 231.00 367.00 630.50 558.50 280.00 17.50 0.00 0.00 2140.00
1974 0.00 0.00 1.50 50.00 132.00 441.92 d 547.15 a 590.00 336.00 15.50 0.00 0.00 2114.07
1975 0.00 0.00 a 0.00 20.00 196.50 347.50 729.50 472.50 321.50 41.00 11.90 a 0.00 2140.40
1976 0.00 0.00 1.00 38.50 37.50 u 307.00 569.50 489.50 386.00 63.66 c 0.00 0.00 1855.16
1977 0.00 0.00 0.00 147.50 136.00 531.00 377.00 j 724.50 219.50 g 19.50 0.00 0.00 1558.50
1978 0.00 0.00 15.50 a 59.00 141.50 441.21 a 638.50 547.50 243.50 33.00 0.00 0.00 2119.71
1979 0.00 b 0.00 2.50 55.50 275.00 478.00 710.00 680.50 219.00 o 134.50 0.00 0.00 z 2336.00
1980 0.00 0.00 0.00 136.50 0.00 z 331.55 a 413.00 p 626.00 396.50 125.00 0.00 z 0.00 z 1615.55
1981 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 z 0.00 z 0.00
1982 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 z 0.00 z 0.00
1983 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 z 0.00 z 0.00
1984 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 z 0.00 z 0.00
1985 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 z 0.00 z 0.00
1986 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 z 0.00 z 0.00
1987 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 z 0.00 z 0.00
1988 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 z 0.00 z 0.00
1989 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 z 0.00 z 0.00
1990 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 z 0.00 z 0.00
1991 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 z 0.00 k 0.00
1992 0.00 i 0.00 j 23.50 i 128.50 334.00 651.50 621.50 680.00 311.00 69.00 i 0.00 0.00 2726.50
1993 0.00 k 0.00 0.00 23.00 428.50 418.00 472.50 601.00 411.00 0.00 z 0.00 k 0.00 i 2354.00
1994 0.00 l 0.00 k 33.00 155.00 297.00 437.50 817.00 725.00 525.50 58.00 j 0.00 p 0.00 m 2990.00
1995 0.00 k 0.00 i 0.00 z 69.50 357.50 0.00 z 708.50 0.00 z 0.00 z 20.50 k 0.00 z 0.00 z 1135.50
1996 0.00 z 0.00 i 0.00 z 70.50 169.50 436.50 773.50 693.50 294.00 82.50 0.00 u 0.00 m 2520.00
1997 0.00 i 0.00 h 0.00 18.00 i 226.00 k 266.50 i 309.00 o 461.50 l 403.00 28.50 i 0.00 m 0.00 i 403.00
1998 0.00 l 0.00 2.50 i 98.50 72.50 u 322.50 j 640.50 i 511.50 k 365.00 j 24.00 k 0.00 n 0.00 m 98.50
1999 0.00 m 0.00 i 0.00 h 13.50 h 116.00 l 298.50 h 428.00 j 523.50 j 261.00 k 39.00 l 0.50 n 0.00 j 0.00
2000 0.00 k 0.00 i 0.00 i 87.50 j 169.50 i 337.00 i 447.50 j 520.00 h 211.50 k 35.50 j 0.00 z 0.00 l 0.00
2001 0.00 r 0.00 j 1.50 j 37.50 o 0.00 z 174.50 r 498.00 j 768.69 d 227.00 p 39.00 i 0.00 k 0.00 k 768.69
2002 0.00 k 0.00 i 0.00 k 56.00 136.00 k 340.00 k 520.00 k 396.00 l 409.50 62.00 0.00 0.00 527.50
2003 0.00 0.00 21.00 70.00 267.52 d 552.00 0.00 z 765.00 469.50 191.50 0.00 0.00 2336.52
2004 0.00 0.00 20.50 130.50 272.69 d 566.00 602.00 h 770.00 377.50 126.50 0.00 0.00 2263.69
2005 0.00 0.00 13.00 120.00 e 339.00 7.50 z 0.00 z 0.00 z 43.00 x 85.50 0.00 e 0.00 g 557.50
2006 0.00 0.00 3.00 60.50 g 274.00 498.00 679.00 g 402.50 l 365.00 f 94.50 0.00 e 0.00 k 869.50
2007 0.00 a 0.00 e 11.76 b 62.50 299.50 429.00 852.00 674.77 a 353.00 32.72 d 0.00 j 0.00 2715.25
2008 0.00 a 0.00 0.00 47.07 a 339.00 426.50 732.12 a 676.32 a 376.00 70.00 0.00 a 0.00 2667.00
2009 0.00 0.00 0.00 45.00 270.50 0.00 z 793.00 0.00 z 448.00 37.00 3.62 a 0.00 c 1597.12
2010 0.00 0.00 3.50 65.50 129.00 g 405.58 d 679.50 492.50 g 261.00 g 94.50 0.00 0.00 z 1248.58
2011 0.00 0.00 9.00 1.00 k 172.50 153.00 p 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 181.50
2012 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 h 2.00 0.00 a 2.00
2013 0.00 b 0.00 5.50 9.50 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 5.50
Period of Record Statistics
MEAN 0.00 0.00 6.48 80.03 268.27 461.90 688.92 634.32 340.24 71.91 0.50 0.03 2552.64
S.D. 0.00 0.00 9.53 53.42 80.41 82.79 95.97 87.47 89.30 42.44 1.61 0.23 330.33
SKEW 0.00 0.00 1.92 1.11 0.22 0.45 -0.08 -0.17 0.04 0.65 5.12 8.60 0.02
MAX 0.00 0.00 43.00 259.50 452.00 671.50 873.50 790.00 547.50 191.50 11.90 2.00 3207.36
MIN 0.00 0.00 0.00 2.00 132.00 307.00 472.50 457.50 170.00 7.50 0.00 0.00 1956.50
NO YRS 81 83 81 84 80 79 75 80 79 78 79 77 58