LAKE KEECHELUS, WASHINGTON

Monthly Total Growing Degree Days

(454414)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197708
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
1907 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
1908 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
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 z 0.00 z 0.00
1910 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
1911 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
1912 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
1913 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 486.00 j 709.79 b 419.48 a 103.50 g 5.00 0.00 1134.28
1914 0.00 0.00 21.00 93.00 318.78 a 414.50 698.65 d 709.00 332.07 a 222.50 25.50 0.00 c 2835.00
1915 0.00 b 0.00 40.50 191.50 264.00 438.50 655.00 816.00 428.00 196.50 7.50 0.00 3037.50
1916 0.00 0.00 7.50 36.50 86.00 350.77 d 553.50 709.00 446.00 169.50 4.00 0.00 2362.77
1917 0.00 0.00 0.00 2.00 110.00 307.50 679.93 a 723.50 473.50 289.50 91.00 13.00 2689.93
1918 1.00 0.00 7.50 99.50 165.00 573.50 688.50 596.50 597.00 231.00 1.00 6.00 2966.50
1919 0.00 0.00 4.50 37.00 170.00 367.00 641.00 574.50 311.00 0.00 z 17.50 0.00 2122.50
1920 2.00 0.00 4.00 14.00 140.00 364.00 688.50 690.50 351.00 113.15 a 2.00 0.00 2369.15
1921 0.00 4.50 0.00 9.83 a 208.50 468.00 554.00 619.45 c 256.50 225.50 31.00 4.50 2381.77
1922 0.00 0.00 0.00 10.00 152.50 544.00 683.50 639.00 460.50 257.00 0.50 0.00 2747.00
1923 0.00 0.00 3.50 33.60 e 174.00 410.00 646.00 686.00 468.50 172.50 14.00 0.00 2608.10
1924 0.00 1.00 0.00 58.50 357.00 421.00 632.00 621.00 417.00 143.00 0.00 15.50 2666.00
1925 0.00 0.00 4.00 61.50 329.12 a 463.00 708.35 a 624.28 b 427.78 c 187.72 d 0.00 0.00 a 2805.74
1926 0.00 0.00 46.50 235.50 238.50 525.50 704.00 636.50 289.50 175.31 b 19.66 a 1.50 2872.47
1927 0.00 0.00 0.00 25.50 80.50 448.50 613.59 b 654.50 345.50 158.21 b 24.50 13.90 b 2364.69
1928 2.00 0.00 9.00 39.50 365.50 388.89 c 703.70 a 637.50 420.00 152.50 1.50 0.00 2720.09
1929 0.00 a 0.00 0.50 21.50 217.50 362.68 b 594.50 680.00 410.00 185.00 19.50 0.50 2491.68
1930 0.00 9.50 10.00 104.50 225.50 353.50 624.00 720.23 a 443.00 92.00 29.00 0.00 2611.23
1931 0.00 0.00 e 9.50 116.00 373.50 495.50 689.00 698.00 440.00 183.00 26.50 0.00 3031.00
1932 1.00 12.00 0.55 c 55.86 a 197.00 487.00 532.68 a 642.50 439.50 237.00 23.50 5.00 2633.60
1933 0.00 0.00 0.00 42.50 115.50 362.00 632.00 708.50 307.00 242.50 67.50 6.50 2484.00
1934 1.00 2.50 52.50 290.00 357.50 471.50 639.50 720.00 407.50 206.50 26.00 0.50 3175.00
1935 6.50 0.00 1.00 35.00 231.50 442.50 653.00 597.00 519.00 213.00 5.00 0.00 2703.50
1936 0.00 0.50 7.00 70.50 300.50 450.00 636.50 677.00 416.50 304.00 7.50 3.50 2873.50
1937 0.00 0.00 11.50 13.50 215.50 478.00 693.00 542.00 488.00 254.50 11.50 0.50 2708.00
1938 0.00 0.00 0.50 69.50 288.00 536.00 759.00 591.00 593.00 193.50 2.07 a 4.50 3037.07
1939 0.00 0.00 12.50 99.00 276.00 342.50 647.50 709.00 425.00 179.00 21.00 4.00 2715.50
1940 0.00 0.00 26.50 88.00 342.50 520.00 673.00 643.00 517.50 222.50 0.00 0.00 3033.00
1941 0.00 0.00 53.00 173.00 269.50 423.50 806.50 690.50 312.50 164.50 16.50 0.50 2910.00
1942 0.00 0.00 3.50 79.50 212.00 328.00 694.00 719.00 489.50 223.00 2.00 0.00 2750.50
1943 0.00 0.00 1.50 33.00 129.50 311.00 649.00 556.00 464.50 205.50 7.50 0.50 2358.00
1944 0.00 0.00 3.00 59.00 223.50 390.50 631.00 560.50 486.50 254.50 8.50 0.50 2617.50
1945 0.00 1.50 0.00 9.50 263.50 342.50 658.00 659.50 317.00 254.00 12.50 0.00 2518.00
1946 0.00 0.00 0.00 25.50 243.00 315.00 590.00 636.00 360.50 101.50 0.00 1.50 2273.00
1947 0.00 0.00 21.00 120.00 374.50 359.00 554.00 544.50 446.50 149.00 7.00 0.00 2575.50
1948 0.50 0.50 0.50 18.50 120.00 488.50 551.00 580.00 358.00 125.00 0.00 0.00 2242.50
1949 0.00 0.00 0.00 40.50 300.50 387.50 562.50 614.00 477.00 106.00 58.00 1.50 2547.50
1950 0.00 0.00 1.50 12.00 117.00 384.00 614.00 656.50 480.50 100.00 15.00 1.00 2381.50
1951 0.00 4.50 1.00 64.00 210.00 451.00 629.50 579.00 466.50 155.00 5.00 0.00 2565.50
1952 0.00 0.00 7.50 74.50 261.00 345.00 624.50 615.50 504.50 327.00 5.50 0.00 2765.00
1953 2.00 3.50 5.50 51.50 174.50 272.00 578.00 600.00 438.50 215.00 27.50 0.00 2368.00
1954 0.00 0.00 0.00 15.00 173.00 253.00 503.00 486.50 391.00 106.00 39.00 0.00 1966.50
1955 0.00 0.00 0.00 3.50 71.00 340.50 465.50 556.50 383.00 144.50 10.50 0.00 1975.00
1956 0.00 0.00 0.00 70.00 213.00 281.90 a 652.50 627.50 398.50 127.50 12.50 8.50 2391.90
1957 0.00 0.00 2.50 61.00 326.00 461.00 521.50 481.50 529.00 107.50 5.00 0.00 2495.00
1958 0.00 5.00 0.00 43.50 456.50 583.50 776.00 737.50 386.50 205.50 15.00 2.00 3211.00
1959 0.00 0.00 3.50 51.00 134.00 394.50 639.00 512.00 323.50 167.50 39.00 1.50 2265.50
1960 0.00 0.00 18.50 41.50 144.00 404.50 716.50 515.00 396.50 207.00 4.50 0.00 2448.00
1961 0.50 0.50 5.50 28.50 187.00 557.00 677.50 753.50 309.50 120.50 4.50 0.00 2644.50
1962 3.00 1.50 2.00 83.00 134.50 363.00 552.50 537.00 428.50 179.50 29.00 0.00 2313.50
1963 0.50 5.00 13.00 35.00 240.00 395.50 510.50 619.50 535.50 208.00 0.50 0.00 2563.00
1964 0.00 0.00 6.50 9.00 124.00 322.50 568.50 482.00 310.50 146.00 5.50 0.00 1974.50
1965 2.00 0.00 6.50 78.00 181.00 395.50 647.00 629.50 346.50 199.50 31.50 0.00 2517.00
1966 0.00 0.00 12.50 39.00 239.00 342.50 549.00 601.50 479.00 123.50 9.00 0.00 2395.00
1967 1.00 0.50 0.00 6.00 207.00 523.50 643.00 756.00 555.00 135.50 15.00 5.50 2848.00
1968 0.00 5.00 15.50 52.50 227.50 375.50 666.00 524.50 406.50 59.00 0.50 0.00 2332.50
1969 0.00 l 0.00 b 19.00 57.00 g 0.00 z 580.00 550.00 531.00 411.50 78.00 49.00 0.00 2218.50
1970 0.00 0.00 h 0.00 1.00 175.50 506.67 c 642.00 631.50 283.50 114.00 17.50 0.00 2371.67
1971 9.00 0.00 0.50 28.50 173.00 257.00 648.50 756.50 274.00 158.00 2.50 0.00 z 2307.50
1972 0.00 b 0.00 6.50 15.00 210.50 400.50 585.50 667.50 286.00 168.50 0.00 z 4.50 j 2340.00
1973 0.00 c 0.00 5.50 74.00 269.00 388.00 620.00 543.50 416.50 104.00 0.00 0.00 b 2420.50
1974 0.00 h 0.00 e 0.00 7.00 80.50 414.31 a 537.50 653.07 a 464.00 184.50 13.00 0.00 b 2353.88
1975 1.00 0.00 0.00 1.00 136.00 316.00 658.00 514.71 b 419.00 0.00 z 15.50 9.00 2070.21
1976 0.00 b 0.00 0.00 20.36 b 117.28 a 288.10 a 534.50 534.48 b 448.00 142.00 31.03 a 0.50 2116.26
1977 0.00 0.00 0.00 a 118.00 127.50 468.50 541.50 773.93 b 0.00 z 0.00 z 0.00 z 0.00 z 2029.43
Period of Record Statistics
MEAN 0.53 0.91 7.74 57.07 215.00 409.32 627.68 630.96 416.14 176.60 15.85 1.80 2583.46
S.D. 1.50 2.28 12.28 55.00 86.05 82.99 68.54 78.95 78.59 56.97 17.46 3.56 289.42
SKEW 4.15 3.13 2.40 2.08 0.51 0.27 -0.01 0.02 -0.01 0.30 2.00 2.39 0.01
MAX 9.00 12.00 53.00 290.00 456.50 583.50 806.50 816.00 597.00 327.00 91.00 15.50 3211.00
MIN 0.00 0.00 0.00 1.00 71.00 253.00 465.50 481.50 256.50 59.00 0.00 0.00 1966.50
NO YRS 62 63 64 63 63 64 64 65 64 61 63 62 56