LAKE CLE ELUM, WASHINGTON

Monthly Total Heating Degree Days

(454394)

Base Temperature = 65 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
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 832.50 j 1086.00 975.00 648.89 c 467.00 244.66 a 125.50 80.17 b 292.00 644.00 850.50 1071.00 6484.72
1914 1015.50 940.50 811.50 600.50 378.00 282.00 44.50 46.50 a 352.50 524.86 b 825.52 a 1278.00 7099.88
1915 1246.50 878.00 756.50 515.50 453.00 225.50 106.50 2.50 309.00 546.00 893.00 1077.77 a 7009.77
1916 1627.50 1164.14 a 908.50 671.00 603.50 361.50 260.00 196.00 342.00 568.50 981.50 1175.00 8859.14
1917 1133.50 947.50 1056.00 772.00 549.00 390.00 126.50 76.00 174.50 j 498.14 b 725.89 b 831.04 e 7105.57
1918 957.00 1091.50 1007.00 651.50 530.50 200.69 a 133.50 136.00 188.00 504.27 a 834.50 1071.00 7305.46
1919 622.00 o 939.50 887.00 617.00 487.50 328.50 112.50 9.00 u 262.50 645.32 a 882.00 758.50 j 5161.82
1920 1118.00 953.50 852.50 748.50 534.23 a 272.07 a 43.00 94.00 332.00 605.00 837.00 1015.00 7404.80
1921 1100.00 867.50 823.50 686.00 442.50 191.00 106.78 d 69.50 377.00 500.00 857.50 1094.30 a 7115.58
1922 1306.50 1110.50 1016.50 717.00 519.77 a 196.55 a 2.00 z 62.00 b 182.50 461.50 971.50 1228.00 7772.32
1923 1056.67 b 1088.50 896.50 619.00 500.50 292.00 79.57 a 50.00 216.00 562.50 727.00 996.00 7084.24
1924 1225.00 831.00 838.55 a 653.50 327.00 245.89 b 37.00 y 102.50 0.00 z 596.00 911.50 1229.50 6960.44
1925 1023.00 816.00 829.50 590.00 378.50 224.50 28.00 136.00 251.00 518.65 e 866.90 a 903.00 6565.05
1926 1074.50 792.50 692.50 464.00 444.50 159.00 57.00 81.00 419.50 576.50 763.50 1102.00 6626.50
1927 1197.00 940.00 943.00 709.00 535.50 183.00 84.00 82.00 315.50 595.00 518.00 j 1187.50 6771.50
1928 1187.00 975.50 854.50 672.50 321.00 238.50 74.50 79.50 225.00 544.50 830.00 1163.00 7165.50
1929 1377.00 1195.00 827.00 741.00 461.50 284.00 106.50 54.50 255.50 505.00 806.50 939.50 7553.00
1930 1548.50 878.50 814.00 548.28 a 485.50 286.50 87.50 63.50 221.50 630.50 868.00 1120.00 7552.28
1931 1054.00 932.50 874.50 606.00 351.50 235.50 64.00 78.50 307.00 571.50 963.00 1190.00 7228.00
1932 1191.50 1067.30 a 913.98 a 641.50 491.87 a 184.29 b 173.08 a 138.50 309.31 a 430.50 g 616.00 f 1114.21 e 6225.54
1933 917.50 f 1110.50 943.95 a 660.00 555.86 b 281.50 71.09 b 85.50 378.89 c 539.00 742.50 973.50 6342.29
1934 949.50 777.50 678.00 399.50 334.00 171.50 84.50 42.00 321.00 546.00 770.00 1027.00 6100.50
1935 1154.48 b 944.50 971.69 b 700.50 464.00 249.00 128.00 115.00 182.68 b 597.50 950.00 1106.00 7563.35
1936 1093.00 1444.50 947.50 603.50 332.50 195.50 74.00 52.00 246.50 440.50 927.50 973.00 7330.00
1937 1628.02 a 1093.50 847.50 717.93 a 461.00 202.50 53.50 144.50 185.77 d 463.50 796.00 1021.00 7614.72
1938 1120.00 992.38 b 910.50 596.50 410.50 155.00 49.00 88.23 e 115.00 563.17 a 965.00 1017.00 6982.28
1939 960.00 1010.50 878.50 567.00 409.00 297.00 88.00 51.00 209.50 526.50 775.00 939.00 6711.00
1940 1119.62 a 900.50 733.00 599.00 327.50 160.50 45.50 68.50 141.00 498.00 998.50 1054.00 6645.62
1941 1097.50 894.50 676.00 516.72 a 420.50 218.50 22.00 103.00 360.00 579.50 774.50 1029.00 6691.72
1942 1325.00 929.50 866.50 559.00 461.00 314.50 43.50 76.00 160.00 502.50 958.50 1062.50 7258.50
1943 1418.00 941.00 987.00 614.00 526.00 292.00 78.00 111.00 177.50 545.00 866.00 1115.50 7671.00
1944 1220.00 980.00 932.50 636.00 434.50 256.00 83.50 105.00 222.50 443.00 917.00 1223.50 7453.50
1945 1025.07 a 889.00 916.00 738.50 395.50 301.50 78.00 66.50 329.00 471.50 937.50 1153.50 7301.57
1946 1068.50 955.00 863.00 645.50 374.50 295.00 114.50 81.50 298.00 661.50 943.50 1024.50 7325.00
1947 1173.50 913.00 767.00 578.00 278.00 259.50 89.00 124.50 224.50 571.00 823.50 990.97 a 6792.47
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 159.50 149.00 132.00 302.00 637.00 871.00 1268.50 3519.00
1949 1642.00 1106.50 908.00 615.00 338.50 273.00 148.00 104.50 226.50 651.00 699.50 1069.50 7782.00
1950 1706.50 1085.50 1030.00 791.00 532.00 264.50 90.50 64.00 191.50 643.00 888.50 970.00 8257.00
1951 1179.50 996.00 1019.00 604.00 447.00 166.50 65.50 86.00 218.50 595.50 903.00 1163.00 7443.50
1952 1391.50 1035.00 935.00 628.00 495.00 301.50 115.50 137.50 181.50 413.50 966.00 1097.00 7697.00
1953 943.43 a 865.50 866.00 736.15 d 535.50 387.50 133.00 126.77 c 235.00 f 533.00 808.50 929.50 6864.85
1954 1232.50 953.62 b 1008.50 736.50 468.00 396.50 155.00 198.50 288.00 635.50 715.50 1103.50 7891.62
1955 1082.50 991.50 1111.00 826.00 587.00 290.50 230.00 132.50 294.50 634.50 1123.97 a 1242.50 8546.47
1956 1231.00 1238.00 1047.00 653.50 388.50 342.00 90.50 123.50 310.50 673.00 947.50 1056.50 8101.50
1957 1505.57 a 1003.85 a 930.00 624.00 329.00 219.50 199.50 166.00 182.50 685.50 910.50 1005.50 7761.42
1958 1047.00 793.50 917.50 688.00 256.50 144.00 31.50 38.50 320.00 578.00 963.50 1028.00 6806.00
1959 1127.50 967.17 d 923.50 643.50 557.50 311.50 113.50 142.50 392.00 586.50 929.50 1057.50 7752.17
1960 1252.00 978.50 970.00 676.00 544.50 250.50 65.50 189.62 a 287.00 566.00 907.00 1169.50 7856.12
1961 1107.50 835.33 d 864.00 705.00 495.50 161.50 91.50 24.50 f 280.00 i 688.50 1065.00 1155.30 c 7169.14
1962 1197.50 917.50 964.50 624.50 603.50 280.00 174.50 157.30 d 176.50 j 597.50 825.50 990.50 7332.80
1963 1194.50 790.50 864.50 723.50 466.00 292.00 150.50 103.33 a 182.50 564.00 874.00 1171.00 7376.33
1964 1064.50 951.30 a 953.80 c 751.50 534.50 296.00 137.50 213.50 382.50 624.00 917.00 1264.50 8090.61
1965 1075.50 882.00 910.50 634.50 398.50 g 235.71 b 79.50 126.00 337.50 560.00 773.50 1108.50 6723.21
1966 1162.50 913.00 934.00 628.00 417.98 a 310.50 134.00 107.00 190.34 a 639.50 815.50 953.00 7205.33
1967 962.50 830.50 911.00 763.00 455.00 143.00 50.50 25.00 134.00 604.00 856.00 1110.50 6845.00
1968 1108.00 879.00 776.00 721.50 455.00 251.00 85.00 179.50 281.50 702.50 887.50 1253.50 7580.00
1969 1461.00 1072.50 926.50 692.50 349.50 123.50 130.50 166.00 277.00 689.00 821.00 1087.00 7796.00
1970 1223.50 872.85 b 899.00 785.50 472.50 169.50 90.50 81.50 419.00 665.50 929.48 a 1201.25 a 7810.08
1971 1088.00 893.50 1058.00 731.00 433.50 355.50 120.50 49.50 373.00 658.50 854.00 0.00 z 6615.00
1972 1168.81 d 1038.42 c 902.50 755.89 b 393.00 244.00 110.00 92.00 447.00 636.05 c 0.00 z 1033.00 g 5787.68
1973 1282.00 922.00 853.50 659.00 425.00 0.00 z 99.50 141.00 299.00 636.00 1001.00 996.00 7314.00
1974 870.50 h 865.50 912.50 715.50 579.00 239.50 151.50 97.65 a 206.50 589.00 828.50 973.50 6158.65
1975 1132.50 1042.00 972.00 793.00 519.00 296.50 80.00 205.12 a 252.78 c 0.00 z 935.00 1029.00 7256.89
1976 1080.50 997.00 983.00 716.50 480.50 371.00 143.50 168.50 233.00 613.00 864.81 d 1035.40 a 7686.71
1977 1251.50 867.50 895.00 583.00 568.50 176.50 148.50 81.93 c 0.00 z 0.00 z 0.00 z 0.00 z 4572.43
Period of Record Statistics
MEAN 1194.87 966.51 902.23 659.52 453.55 252.00 102.85 104.44 269.83 578.14 875.77 1081.73 7397.72
S.D. 180.33 119.12 90.36 81.42 83.19 67.07 46.93 47.10 78.60 68.43 85.60 100.82 538.56
SKEW 1.15 1.20 -0.39 -0.51 -0.28 0.14 0.86 0.41 0.18 -0.31 0.19 0.06 0.20
MAX 1706.50 1444.50 1111.00 826.00 603.50 396.50 260.00 213.50 447.00 702.50 1123.97 1278.00 8859.14
MIN 943.43 777.50 676.00 399.50 256.50 123.50 22.00 2.50 115.00 413.50 699.50 831.04 6100.50
NO YRS 60 64 64 64 63 64 63 63 59 62 61 61 46