CHELAN, WASHINGTON

Monthly Total Growing Degree Days

(454430)

Base Temperature = 50 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 195804
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
1891 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 770.00 760.00 387.00 138.00 0.00 z 0.00 a 2055.00
1892 0.00 0.00 z 3.00 26.00 268.50 561.50 652.00 712.50 407.00 129.00 0.00 z 0.00 z 2759.50
1893 0.00 0.00 a 0.00 33.00 229.92 a 338.00 706.05 b 730.00 290.50 28.50 0.00 b 0.00 2355.97
1894 0.00 0.00 0.00 61.00 312.50 468.00 782.50 820.50 319.50 36.50 0.00 0.00 2800.50
1895 0.00 0.00 1.00 92.00 199.50 482.00 642.50 664.50 178.50 98.50 0.00 0.00 2358.50
1896 0.00 0.00 6.00 26.00 135.50 478.00 773.00 646.50 308.00 50.50 4.00 0.00 2427.50
1897 0.00 0.00 0.00 110.50 387.00 438.50 558.50 766.50 336.00 86.50 0.00 0.00 2683.50
1898 0.00 0.00 1.00 132.50 338.50 434.00 734.50 794.00 365.00 0.00 z 0.00 0.00 2799.50
1899 0.00 0.00 0.00 32.00 228.50 401.00 716.50 479.00 466.50 54.00 0.00 b 0.00 2377.50
1900 0.00 0.00 7.00 150.50 330.50 588.00 737.00 566.50 338.50 52.00 0.00 0.50 2770.50
1901 0.00 a 0.00 0.00 a 0.00 z 286.00 349.50 617.00 790.50 271.00 180.50 1.03 a 0.00 2495.53
1902 0.00 0.00 0.00 32.50 282.50 405.00 575.16 c 722.00 329.50 137.00 0.00 0.00 2483.66
1903 0.00 0.00 k 0.00 39.50 250.50 582.00 603.50 639.00 302.00 62.00 c 0.00 a 0.00 2478.50
1904 0.00 0.00 0.00 76.50 271.50 500.00 751.00 783.00 474.50 66.65 a 0.00 0.00 b 2923.15
1905 0.00 b 0.00 a 1.03 a 90.50 242.50 447.00 756.50 668.00 405.50 24.50 0.00 0.00 2635.53
1906 0.00 0.00 3.00 176.50 291.00 373.50 943.50 746.50 433.50 181.50 5.00 0.00 3154.00
1907 0.00 0.00 0.00 49.00 365.00 430.50 692.50 281.50 o 393.50 217.00 0.00 0.00 a 2147.50
1908 0.00 0.00 4.00 87.00 205.00 495.50 770.00 717.50 430.00 115.50 13.00 0.00 2837.50
1909 0.00 b 0.00 4.13 a 50.50 269.50 479.00 627.00 648.50 473.50 86.00 0.00 0.00 2638.13
1910 0.00 0.00 0.00 122.50 301.50 f 446.00 722.50 575.50 356.00 127.00 1.50 0.00 2351.00
1911 0.00 0.00 26.00 84.50 195.00 500.50 728.00 653.00 297.41 a 93.50 0.00 b 0.00 b 2577.91
1912 0.00 0.00 11.50 50.00 349.00 548.00 674.50 583.50 318.00 82.00 0.00 0.00 2616.50
1913 0.00 0.00 0.50 93.00 262.50 489.50 680.50 713.00 378.50 44.00 0.00 0.00 2661.50
1914 0.00 0.00 3.50 98.50 359.50 459.00 806.50 763.00 314.50 94.00 2.50 0.00 2901.00
1915 0.00 0.00 10.50 183.00 258.50 520.86 a 709.50 881.50 394.00 100.50 0.00 0.00 3058.36
1916 0.00 0.00 0.00 79.50 210.50 410.50 547.00 699.50 405.00 80.50 3.00 0.00 2435.50
1917 0.00 0.00 0.00 9.50 265.50 429.00 760.00 792.50 460.00 202.50 0.00 0.00 2919.00
1918 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 128.81 b 0.00 a 0.00 c 128.81
1919 0.00 s 0.00 7.00 75.52 a 191.17 a 388.93 b 666.50 c 660.54 e 303.62 a 64.58 a 0.00 0.00 k 2357.85
1920 0.00 0.00 0.00 z 0.00 z 0.00 z 299.50 i 824.37 d 709.26 b 248.00 f 41.33 d 0.00 e 0.00 c 1574.96
1921 0.00 a 0.00 0.00 a 17.88 d 218.50 k 0.00 z 0.00 z 0.00 z 231.43 b 66.00 k 2.00 0.00 f 251.31
1922 0.00 0.00 0.00 15.50 g 221.17 e 625.00 800.26 d 697.50 b 440.40 e 93.00 i 0.00 z 0.00 z 2784.33
1923 0.00 z 0.00 a 0.00 a 97.00 g 305.00 474.50 792.00 758.50 513.00 136.29 b 0.00 d 0.00 a 2979.29
1924 0.00 0.00 0.50 81.00 493.93 a 534.00 816.50 765.00 461.50 90.50 0.00 4.50 3247.43
1925 0.00 0.00 2.50 119.50 381.00 583.50 893.50 703.00 414.50 80.50 0.00 0.00 3178.00
1926 0.00 0.00 35.50 213.00 308.00 680.00 896.00 731.00 269.50 96.50 1.50 0.00 3231.00
1927 0.00 0.00 0.00 71.00 221.50 577.50 818.00 726.00 333.50 60.00 0.00 0.00 2807.50
1928 0.00 0.00 2.00 48.50 415.50 531.50 825.00 711.00 449.50 75.50 0.00 0.00 3058.50
1929 0.00 0.00 2.00 65.00 306.50 470.50 731.00 810.50 367.00 117.50 0.00 0.00 a 2870.00
1930 0.00 0.00 30.50 153.00 277.50 439.50 776.50 769.50 431.00 78.50 0.00 0.00 2956.00
1931 0.00 0.00 a 0.00 108.50 375.10 a 500.00 801.50 761.50 377.14 b 94.15 d 0.00 0.00 3017.89
1932 0.00 0.00 a 6.00 114.23 d 272.00 591.21 a 488.00 f 675.80 a 406.00 120.50 0.00 5.74 d 2191.48
1933 0.00 b 0.00 c 0.00 b 100.50 157.50 460.50 714.00 738.32 a 275.00 126.00 0.00 0.00 2571.82
1934 0.00 f 0.00 b 12.50 226.03 a 351.16 b 585.56 c 563.00 f 763.93 c 264.00 e 141.29 e 0.00 b 0.00 2344.46
1935 0.00 b 0.00 5.00 47.50 292.00 356.50 f 656.00 597.02 b 444.00 108.50 a 0.00 b 0.00 l 2150.02
1936 0.00 0.00 a 0.00 a 160.00 394.45 b 471.72 a 713.00 700.00 371.79 b 130.00 0.00 0.00 2940.96
1937 0.00 0.00 1.00 28.00 249.50 411.00 748.50 584.00 435.50 130.00 0.00 c 0.00 2587.50
1938 0.00 0.00 0.00 72.50 318.50 544.50 805.50 620.50 495.50 83.50 0.00 0.00 2940.50
1939 0.00 0.00 17.00 116.50 322.00 448.50 751.50 747.62 a 436.00 126.00 0.00 0.00 2965.12
1940 0.00 d 0.00 14.43 b 91.00 379.75 c 632.50 748.81 b 723.00 499.00 111.94 d 0.00 0.00 3200.44
1941 0.00 a 0.00 25.12 b 162.00 294.50 456.50 773.00 609.00 251.50 88.50 2.50 0.00 a 2662.62
1942 0.00 a 0.00 4.50 87.00 206.50 405.50 757.50 768.50 468.62 a 103.00 0.00 0.00 a 2801.12
1943 0.00 b 0.00 4.00 120.50 217.50 399.00 713.50 627.48 b 471.00 138.35 d 0.00 0.00 a 2691.33
1944 0.00 0.00 7.50 95.50 327.50 495.00 722.00 582.00 386.90 a 109.50 0.00 0.00 2725.90
1945 0.00 0.00 a 1.03 a 48.10 a 281.00 454.66 a 747.62 a 691.30 a 311.38 a 143.63 a 8.50 0.00 2687.22
1946 0.00 d 0.00 d 0.00 h 23.50 g 389.00 415.50 669.50 649.00 319.50 39.50 0.00 0.00 2482.00
1947 0.00 0.00 8.50 125.00 432.50 420.00 625.50 554.50 343.50 62.50 0.00 0.00 j 2572.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 506.50 544.00 467.07 a 305.00 21.00 0.00 0.00 1843.57
1949 0.00 0.00 0.00 a 75.50 389.50 463.50 659.00 654.50 393.00 36.50 1.00 0.00 2672.50
1950 0.00 0.00 0.00 10.50 193.50 417.00 687.00 676.50 439.00 28.00 0.00 0.00 2451.50
1951 0.00 0.00 0.00 53.50 237.50 447.00 696.50 672.00 360.50 91.50 0.00 0.00 2558.50
1952 0.00 0.00 8.00 73.00 302.00 443.00 716.50 698.00 467.00 188.50 0.00 0.00 2896.00
1953 0.00 0.00 1.00 50.50 230.00 346.00 676.50 620.50 396.50 105.50 5.50 0.00 2432.00
1954 0.00 0.00 0.00 a 3.00 283.00 362.50 599.50 570.50 360.00 46.00 0.00 0.00 2224.50
1955 0.00 0.00 0.00 15.00 162.50 478.50 580.00 664.00 399.50 49.00 0.50 0.00 2349.00
1956 0.00 0.00 0.00 98.50 376.00 376.50 746.50 689.00 397.00 105.50 0.00 0.00 2789.00
1957 0.00 0.00 1.50 64.00 433.00 512.50 635.50 570.00 438.00 40.50 0.00 0.00 2695.00
1958 0.00 0.00 0.00 32.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 32.50
Period of Record Statistics
MEAN 0.00 0.00 4.43 83.49 291.53 474.26 720.08 688.03 377.84 95.42 0.81 0.18 2746.34
S.D. 0.00 0.00 7.69 50.28 76.16 74.40 83.85 81.91 73.19 44.80 2.19 0.93 258.44
SKEW 0.00 0.00 2.43 0.73 0.29 0.51 0.02 -0.41 -0.33 0.50 3.75 5.33 0.10
MAX 0.00 0.00 35.50 226.03 493.93 680.00 943.50 881.50 513.00 217.00 13.00 5.74 3247.43
MIN 0.00 0.00 0.00 3.00 135.50 338.00 544.00 467.07 178.50 21.00 0.00 0.00 2224.50
NO YRS 63 64 63 60 61 62 63 64 65 64 64 61 48