LAKE KEECHELUS, WASHINGTON

Monthly Total Growing Degree Days

(454414)

Base Temperature = 50 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 280.50 j 399.79 b 128.79 a 7.50 g 0.00 0.00 528.59
1914 0.00 0.00 0.00 0.00 56.32 a 170.00 388.65 d 399.00 93.10 a 20.00 0.00 0.00 c 1127.07
1915 0.00 b 0.00 0.00 11.00 38.00 157.00 345.00 506.00 138.00 10.00 0.00 0.00 1205.00
1916 0.00 0.00 0.00 0.00 0.00 88.27 d 244.50 402.50 156.50 16.50 0.00 0.00 908.27
1917 0.00 0.00 0.00 0.00 1.00 72.50 369.93 a 413.50 180.50 87.50 6.00 0.00 1130.93
1918 0.00 0.00 0.00 1.50 19.00 288.00 378.50 287.00 297.50 32.50 0.00 0.00 1304.00
1919 0.00 0.00 0.00 0.00 16.00 96.50 333.00 264.50 67.50 0.00 z 0.00 0.00 777.50
1920 0.00 0.00 0.00 0.00 4.50 95.00 381.00 391.00 101.00 7.75 a 0.00 0.00 980.25
1921 0.00 0.00 0.00 0.00 a 25.50 173.00 252.50 309.45 c 30.00 42.00 0.00 0.00 832.45
1922 0.00 0.00 0.00 0.00 32.00 244.00 373.50 329.00 181.00 34.00 0.00 0.00 1193.50
1923 0.00 0.00 0.00 0.00 e 14.00 139.00 336.00 376.00 193.00 22.00 0.00 0.00 1080.00
1924 0.00 0.00 0.00 4.00 114.50 144.50 323.00 312.00 179.00 2.00 0.00 0.00 1079.00
1925 0.00 0.00 0.00 2.00 95.07 a 196.50 398.35 a 330.84 b 161.11 c 12.06 d 0.00 0.00 a 1195.93
1926 0.00 0.00 0.00 72.50 39.50 234.00 394.00 327.00 83.50 4.81 b 0.00 a 0.00 1155.31
1927 0.00 0.00 0.00 0.00 2.00 150.50 309.47 b 349.50 82.00 12.29 b 0.00 0.00 b 905.76
1928 0.00 0.00 0.00 3.00 130.00 126.67 c 393.70 a 330.00 153.00 11.00 0.00 0.00 1147.37
1929 0.00 a 0.00 0.00 0.00 50.50 103.39 b 292.50 374.00 166.50 13.00 0.00 0.00 999.89
1930 0.00 0.00 0.00 5.50 53.50 110.00 315.00 410.23 a 180.00 15.00 0.00 0.00 1089.23
1931 0.00 0.00 e 0.00 17.50 128.50 203.50 389.00 388.00 157.50 18.00 0.00 0.00 1302.00
1932 0.00 0.00 0.00 c 0.00 a 20.50 215.00 229.40 a 332.50 174.00 50.00 0.00 0.00 1021.40
1933 0.00 0.00 0.00 0.00 10.00 111.00 322.00 398.50 74.00 42.00 2.50 0.00 960.00
1934 0.00 0.00 0.00 83.00 124.00 189.50 329.50 410.00 151.50 37.50 0.00 0.00 1325.00
1935 0.00 0.00 0.00 0.00 35.50 163.00 350.00 295.50 228.00 52.00 0.00 0.00 1124.00
1936 0.00 0.00 0.00 0.00 84.50 168.50 326.50 367.00 152.00 68.00 0.00 0.00 1166.50
1937 0.00 0.00 0.00 0.00 36.50 190.50 383.50 237.50 211.50 25.50 0.00 0.00 1085.00
1938 0.00 0.00 0.00 2.00 88.00 256.00 449.00 281.00 297.00 21.00 0.00 a 0.00 1394.00
1939 0.00 0.00 0.00 12.00 65.50 96.50 340.00 401.50 151.00 11.00 0.00 0.00 1077.50
1940 0.00 0.00 0.00 4.50 112.00 231.00 363.00 333.00 227.00 32.00 0.00 0.00 1302.50
1941 0.00 0.00 0.00 22.50 70.00 136.00 496.50 381.50 64.50 3.50 0.00 0.00 1174.50
1942 0.00 0.00 0.00 2.50 28.00 83.50 387.00 414.00 204.50 44.00 0.00 0.00 1163.50
1943 0.00 0.00 0.00 0.00 8.00 71.50 346.00 250.00 176.00 72.50 0.00 0.00 924.00
1944 0.00 0.00 0.00 0.50 45.50 127.50 326.00 255.50 219.50 11.00 0.00 0.00 985.50
1945 0.00 0.00 0.00 0.00 43.00 112.00 350.00 351.50 88.00 75.00 0.00 0.00 1019.50
1946 0.00 0.00 0.00 1.50 30.50 71.50 280.00 329.50 110.00 1.50 0.00 0.00 824.50
1947 0.00 0.00 0.00 12.50 121.50 90.50 246.50 238.50 181.00 30.00 0.00 0.00 920.50
1948 0.00 0.00 0.00 0.00 17.50 190.50 242.00 270.00 126.50 9.00 0.00 0.00 855.50
1949 0.00 0.00 0.00 0.00 74.50 124.00 255.00 306.00 198.50 0.00 0.00 0.00 958.00
1950 0.00 0.00 0.00 0.00 10.50 126.50 304.00 347.00 215.50 7.00 0.00 0.00 1010.50
1951 0.00 0.00 0.00 0.00 40.50 161.50 326.50 277.50 182.50 26.00 0.00 0.00 1014.50
1952 0.00 0.00 0.00 1.50 63.50 99.00 322.50 309.00 219.00 82.50 0.00 0.00 1097.00
1953 0.00 0.00 0.00 0.00 22.00 40.50 276.00 292.50 169.00 23.50 0.00 0.00 823.50
1954 0.00 0.00 0.00 0.00 18.00 50.50 200.50 186.50 112.00 4.50 0.00 0.00 572.00
1955 0.00 0.00 0.00 0.00 3.50 88.50 182.50 252.50 145.50 5.00 0.00 0.00 677.50
1956 0.00 0.00 0.00 0.50 49.50 60.52 a 345.00 320.50 122.00 18.00 0.00 0.00 916.02
1957 0.00 0.00 0.00 12.00 67.00 177.00 218.00 172.00 234.50 15.50 0.00 0.00 896.00
1958 0.00 0.00 0.00 0.00 181.50 284.50 467.00 427.50 133.00 45.00 0.00 0.00 1538.50
1959 0.00 0.00 0.00 0.00 21.00 126.00 336.00 210.50 69.00 14.50 0.00 0.00 777.00
1960 0.00 0.00 0.00 0.00 14.50 137.00 408.50 221.00 125.00 29.00 0.00 0.00 935.00
1961 0.00 0.00 0.00 0.00 34.00 276.50 370.00 443.50 67.50 22.50 0.00 0.00 1214.00
1962 0.00 0.00 0.00 5.50 2.50 119.50 262.50 231.00 160.50 14.00 0.00 0.00 795.50
1963 0.00 0.00 0.00 0.00 69.50 120.50 212.00 309.50 248.00 34.50 0.00 0.00 994.00
1964 0.00 0.00 0.00 0.00 15.00 71.00 267.00 189.00 61.00 5.50 0.00 0.00 608.50
1965 0.00 0.00 0.00 3.00 24.50 116.00 340.50 330.00 92.50 22.50 0.00 0.00 929.00
1966 0.00 0.00 0.00 0.00 57.00 99.00 243.00 294.50 189.50 10.50 0.00 0.00 893.50
1967 0.00 0.00 0.00 0.00 36.50 232.00 333.00 446.00 263.00 10.50 0.00 0.00 1321.00
1968 0.00 0.00 0.00 7.00 37.00 113.00 359.50 219.50 137.50 4.50 0.00 0.00 878.00
1969 0.00 l 0.00 b 0.00 3.00 g 0.00 z 282.50 245.00 227.50 149.00 0.00 0.00 0.00 904.00
1970 0.00 0.00 h 0.00 0.00 15.00 239.44 c 332.00 323.00 58.00 29.50 0.00 0.00 996.94
1971 0.00 0.00 0.00 0.00 16.00 42.00 358.00 446.50 39.50 36.00 0.00 0.00 z 938.00
1972 0.00 b 0.00 0.00 0.00 49.00 115.00 277.00 357.50 92.00 18.00 0.00 z 0.00 j 908.50
1973 0.00 c 0.00 0.00 0.00 74.00 140.00 314.50 249.00 153.00 1.00 0.00 0.00 b 931.50
1974 0.00 h 0.00 e 0.00 0.00 1.00 157.24 a 239.00 345.13 a 194.50 17.00 0.00 0.00 b 953.87
1975 0.00 0.00 0.00 0.00 10.00 71.50 348.00 213.79 b 141.00 0.00 z 0.00 0.00 784.29
1976 0.00 b 0.00 0.00 0.00 b 8.27 a 82.76 a 236.00 228.76 b 170.00 21.00 0.00 a 0.00 746.78
1977 0.00 0.00 0.00 a 24.50 10.00 189.00 242.00 470.88 b 0.00 z 0.00 z 0.00 z 0.00 z 936.38
Period of Record Statistics
MEAN 0.00 0.00 0.00 4.95 44.22 144.36 321.95 324.52 151.68 23.99 0.13 0.00 1026.55
S.D. 0.00 0.00 0.00 14.35 39.44 63.89 65.68 76.81 60.29 20.75 0.81 0.00 194.26
SKEW 0.00 0.00 0.00 4.37 1.27 0.60 0.07 0.05 0.15 1.36 6.47 0.00 0.08
MAX 0.00 0.00 0.00 83.00 181.50 288.00 496.50 506.00 297.50 87.50 6.00 0.00 1538.50
MIN 0.00 0.00 0.00 0.00 0.00 40.50 182.50 172.00 30.00 0.00 0.00 0.00 572.00
NO YRS 62 63 64 63 63 64 64 65 64 61 63 62 56