LAKE KACHESS, WASHINGTON

Monthly Total Heating Degree Days

(454406)

Base Temperature = 65 F

File last updated on Jul 25, 2006
*** 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
1931 1079.00 963.00 897.00 636.50 357.50 252.00 72.50 99.50 319.00 614.00 1022.50 1222.00 7534.50
1932 1211.50 1090.00 934.50 655.50 500.00 210.50 181.00 142.50 289.50 556.50 822.00 1213.00 7806.50
1933 1128.50 1139.00 997.00 716.00 591.00 329.50 119.50 105.00 423.00 565.00 741.50 971.50 7826.50
1934 959.50 792.00 696.00 400.00 360.00 204.50 101.00 58.00 319.50 553.50 793.50 1043.50 6281.00
1935 1196.50 922.50 982.00 737.50 460.00 263.00 147.00 157.50 208.00 581.77 a 984.00 1099.50 7739.27
1936 1101.50 1434.00 958.50 647.00 363.50 104.00 i 78.00 47.50 242.50 416.50 896.00 979.50 7164.50
1937 1585.00 1096.50 846.00 726.50 479.00 223.00 52.00 j 161.00 195.50 457.00 810.50 1029.50 7609.50
1938 1119.00 974.50 896.50 629.00 428.00 165.52 a 63.00 122.00 117.50 560.00 963.00 1035.50 7073.52
1939 978.50 1007.50 876.00 582.50 419.00 323.00 116.00 73.00 244.00 556.50 782.00 940.50 6898.50
1940 1123.50 915.50 748.00 606.50 352.50 169.00 51.50 74.50 170.00 508.00 1013.00 1057.50 6789.50
1941 1097.00 883.50 726.00 517.50 450.00 254.50 28.00 110.50 383.00 578.50 794.50 1054.50 6877.50
1942 1323.50 944.00 889.00 572.50 488.00 341.50 69.50 82.00 180.50 532.00 969.50 1082.00 7474.00
1943 1413.00 931.00 1003.50 659.00 550.50 350.00 98.50 119.00 203.50 556.50 880.00 1136.00 7900.50
1944 1227.50 991.00 974.00 683.00 488.50 271.50 109.00 129.00 233.50 488.50 923.00 1244.50 7763.00
1945 1055.50 895.50 952.50 759.50 417.50 320.50 92.00 77.00 346.00 493.00 936.50 1161.00 7506.50
1946 1081.50 926.50 901.00 699.00 399.50 333.50 113.50 80.00 323.00 656.00 960.52 a 1051.00 7525.02
1947 1197.50 911.00 761.50 588.00 316.00 307.50 125.00 143.50 260.50 608.00 838.00 1016.00 7072.50
1948 1215.00 1085.50 985.00 792.50 549.00 191.38 a 177.00 158.00 344.50 670.50 902.50 1280.50 8351.38
1949 1661.00 1142.50 962.00 667.50 388.00 295.00 157.50 105.50 233.50 481.00 j 719.00 1099.00 7430.50
1950 1726.00 1115.85 a 1011.00 818.00 587.45 a 305.50 107.50 57.00 194.00 683.50 913.00 1008.50 8527.30
1951 1192.50 1009.50 1020.42 a 643.00 485.00 210.50 71.00 97.50 237.00 645.00 926.50 851.00 i 6537.92
1952 1379.00 1030.00 975.50 539.00 g 444.33 a 333.00 121.00 122.50 179.00 415.50 969.00 1104.00 7072.83
1953 960.00 886.00 900.00 749.50 559.50 412.50 135.50 114.70 a 277.50 546.50 835.50 958.00 7335.20
1954 1251.37 a 966.00 1035.00 769.50 504.00 409.66 a 191.50 224.50 323.00 691.50 767.00 1118.50 8251.52
1955 1082.50 998.50 1132.50 857.50 640.00 331.50 287.00 165.00 373.00 705.00 1179.50 1314.50 9066.50
1956 1311.50 1313.50 1073.00 679.50 294.50 j 365.00 93.50 121.50 168.00 i 299.50 o 688.00 j 1040.50 5998.00
1957 1481.50 1008.50 916.00 651.50 337.00 229.00 182.00 199.43 a 186.00 679.50 898.50 996.50 7765.43
1958 1070.02 a 813.00 916.00 681.50 248.00 f 147.93 a 30.50 47.00 313.00 545.50 951.00 1030.00 6545.45
1959 1129.00 954.50 899.00 684.00 599.50 232.00 g 76.00 f 137.50 i 385.00 566.00 923.00 1053.50 7193.50
1960 1227.00 981.50 955.00 691.00 571.50 275.17 a 63.15 d 190.50 295.00 535.27 a 885.00 1170.50 7840.59
1961 1092.50 833.00 857.00 709.00 505.00 160.50 85.00 24.50 383.50 644.00 1022.00 1104.00 7420.00
1962 1188.50 900.00 963.00 601.50 570.00 296.00 111.00 h 168.50 258.50 580.50 818.50 1000.00 7345.00
1963 1215.00 782.50 847.50 736.55 a 449.00 287.50 189.00 107.00 159.00 530.00 874.00 1164.50 7341.55
1964 1049.00 927.00 951.00 785.00 582.00 321.50 148.50 227.50 374.50 597.00 927.00 1263.50 8153.50
1965 1077.00 881.00 913.50 642.00 537.50 250.00 84.00 132.50 330.00 526.50 769.00 1107.50 7250.50
1966 1140.00 901.00 931.00 658.50 458.50 331.00 145.00 111.00 186.00 611.00 804.50 961.50 7239.00
1967 970.00 845.50 929.00 772.50 477.50 163.00 61.00 30.50 145.50 610.00 856.00 1092.00 6952.50
1968 1113.00 903.00 790.50 739.50 472.23 a 290.00 104.37 a 195.00 280.00 683.50 890.50 1214.74 d 7676.34
1969 958.50 k 1049.46 b 918.00 708.75 b 396.50 137.00 147.50 163.00 277.50 662.00 805.50 1064.33 a 6329.54
1970 1203.32 a 292.50 r 872.50 790.50 497.50 203.50 87.66 b 92.48 a 404.00 669.50 917.14 b 1206.00 6944.10
1971 1072.17 b 864.08 c 1024.00 743.50 489.50 400.00 145.00 46.00 412.50 637.05 a 873.10 a 0.00 z 6706.91
1972 822.00 k 1049.00 917.50 807.50 444.50 263.00 131.50 86.50 421.00 566.00 0.00 z 1222.90 b 5909.40
1973 1217.50 920.50 846.00 663.00 425.96 d 300.00 123.00 144.00 290.50 640.00 1012.00 1021.50 7603.96
1974 1292.70 a 904.50 942.00 752.50 645.00 262.50 167.00 94.55 a 217.00 554.00 830.00 995.00 7656.75
1975 1172.50 1087.00 985.00 811.00 547.00 323.79 a 97.00 206.00 235.00 0.00 z 969.00 1009.00 7442.29
1976 1044.00 963.00 1005.50 776.25 b 524.86 b 380.17 a 138.50 175.50 184.44 c 559.50 841.80 e 1035.00 7628.53
1977 1205.56 d 853.50 868.00 599.50 550.00 172.76 a 155.50 89.79 b 0.00 z 0.00 z 0.00 z 0.00 z 4494.61
Period of Record Statistics
MEAN 1191.49 973.61 922.99 691.25 481.30 274.83 117.99 119.11 274.62 582.22 891.13 1090.28 7566.53
S.D. 170.23 125.27 86.98 86.86 82.26 73.46 49.33 51.17 82.66 71.32 90.74 96.00 551.75
SKEW 1.38 1.44 -0.47 -0.73 -0.04 -0.12 0.77 0.25 0.15 -0.30 0.53 0.59 0.31
MAX 1726.00 1434.00 1132.50 857.50 645.00 412.50 287.00 227.50 423.00 705.00 1179.50 1314.50 9066.50
MIN 959.50 782.50 696.00 400.00 316.00 137.00 28.00 24.50 117.50 415.50 719.00 940.50 6281.00
NO YRS 45 46 47 46 45 45 44 46 45 43 44 44 32