BUMPING LAKE, WASHINGTON

Monthly Total Heating Degree Days

(450969)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196706
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
1910 0.00 z 0.00 z 0.00 z 711.72 a 346.50 f 408.89 c 158.00 305.50 461.00 615.50 996.00 1172.50 4829.11
1911 1304.67 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 207.00 243.50 477.50 684.50 1000.38 d 1116.00 5033.56
1912 1158.50 1066.50 1087.00 832.50 552.50 333.00 239.00 284.00 444.50 811.50 903.00 1159.50 8871.50
1913 1298.50 1139.00 1129.50 813.00 614.00 415.50 233.00 202.50 428.50 747.00 936.50 1167.50 9124.50
1914 1141.00 1044.50 913.00 715.50 489.00 427.50 131.50 131.00 478.00 616.50 889.14 a 1315.00 8291.64
1915 1271.50 987.50 853.50 635.50 587.00 415.50 0.00 z 61.00 384.50 597.50 1055.50 1253.50 8102.50
1916 1655.00 1139.50 1064.50 829.50 762.50 430.50 365.50 200.00 376.50 652.50 1055.00 1320.00 9851.00
1917 1250.00 1024.00 1185.00 884.50 670.50 485.00 205.50 131.50 328.00 546.00 766.00 988.50 8464.50
1918 1019.50 1102.00 995.50 715.50 655.50 233.28 a 176.00 256.50 204.00 606.50 892.00 1133.50 7989.78
1919 1119.00 1055.50 1008.00 745.50 610.00 469.00 187.50 158.00 404.50 747.00 915.50 1305.50 8725.00
1920 1121.50 956.00 996.65 a 900.00 680.00 446.00 158.00 181.50 441.50 702.50 913.00 1122.00 8618.65
1921 1236.50 968.00 964.00 839.50 580.50 369.50 282.00 207.50 531.00 572.50 906.00 1199.00 8656.00
1922 1391.50 1205.00 1152.50 882.00 671.50 268.00 144.50 163.00 316.00 589.00 1012.50 1305.50 9101.00
1923 1197.00 1164.50 1038.50 770.50 626.50 435.00 184.50 177.00 318.00 642.00 849.00 1120.50 8523.00
1924 1284.00 926.00 998.50 776.00 453.50 382.50 244.00 233.50 410.50 752.50 1081.07 b 1409.43 b 8951.50
1925 1160.50 961.85 a 1018.00 729.50 551.50 385.50 132.00 252.00 429.50 659.02 b 976.67 c 1094.82 a 8350.85
1926 1197.00 970.00 848.00 631.00 636.50 307.50 b 191.50 234.50 567.32 b 688.50 906.00 e 0.00 z 7177.82
1927 1360.00 0.00 z 1124.00 917.00 770.50 410.50 248.50 251.00 514.50 743.50 916.15 d 0.00 z 7255.65
1928 1216.50 1117.00 1032.00 910.00 533.50 452.50 221.50 280.50 402.00 731.50 937.50 1265.50 9100.00
1929 1536.00 1270.00 1041.50 952.00 649.00 464.00 253.00 165.00 410.00 635.00 890.00 1045.00 9310.50
1930 1644.00 970.00 950.00 693.50 648.00 453.00 218.00 170.00 393.50 763.00 988.45 a 1274.00 9165.45
1931 1147.00 a 1020.50 1007.00 745.00 522.50 406.00 167.00 212.50 459.50 712.00 1091.50 1306.00 8796.50
1932 1330.50 1131.50 1049.00 808.00 653.00 376.00 371.50 268.50 398.50 699.00 910.50 1335.50 9331.50
1933 1269.50 1256.00 1111.00 887.50 771.00 502.00 294.00 230.50 560.00 609.00 819.50 1022.50 9332.50
1934 1035.50 860.50 782.00 558.00 536.00 379.00 238.00 171.50 459.00 662.50 873.50 1129.00 7684.50
1935 1227.50 1036.00 1252.00 908.50 625.00 455.50 276.00 320.50 305.00 763.50 1052.50 1217.00 9439.00
1936 1272.00 1464.50 1160.50 801.00 564.50 394.00 258.00 208.50 415.00 429.00 i 917.00 1116.50 8571.50
1937 1693.50 1145.50 983.00 940.00 619.00 409.50 209.50 349.50 371.00 605.00 916.50 1121.17 a 9363.17
1938 1246.72 a 1084.00 1111.50 820.50 417.31 e 346.00 139.00 280.00 248.00 676.00 1080.50 1136.00 8585.52
1939 1109.50 1155.00 987.00 689.00 556.50 478.50 218.50 133.00 407.50 639.50 804.31 a 1024.00 8202.31
1940 1216.50 1021.00 894.00 736.50 488.00 255.50 177.00 161.50 293.00 615.00 837.00 g 1126.69 b 6984.69
1941 1166.50 966.50 839.00 654.00 598.50 375.00 107.00 213.00 521.50 684.50 843.50 1125.50 8094.50
1942 1366.00 1052.00 1053.50 755.50 645.50 488.50 180.00 140.50 315.00 656.50 1082.00 1135.00 8870.00
1943 1500.50 984.00 1131.00 775.00 726.50 501.00 236.50 318.50 270.50 677.00 909.50 1172.00 9202.00
1944 1326.50 1138.50 1124.50 829.50 655.00 442.00 217.00 286.00 337.00 546.00 1007.50 1357.50 9267.00
1945 1160.00 1039.00 1132.00 931.50 605.50 486.50 191.50 185.00 490.00 650.50 1077.00 1280.50 9229.00
1946 1261.00 1108.00 1072.50 871.00 603.00 537.50 282.50 201.00 455.00 821.00 1064.50 1119.10 a 9396.10
1947 1293.22 a 928.67 a 867.48 a 748.50 461.90 a 456.72 a 224.75 a 247.45 c 365.17 a 736.77 a 915.00 e 1065.37 a 8310.99
1948 1277.00 1200.00 1099.50 938.50 678.00 356.00 395.77 a 278.50 430.50 694.00 1007.50 909.50 j 8355.27
1949 1743.00 1188.00 1055.50 768.00 556.50 436.50 302.50 254.50 406.00 828.50 877.00 1331.50 9747.50
1950 1777.50 1192.00 1203.00 995.50 770.50 522.50 324.00 351.50 653.50 0.00 z 0.00 z 1069.50 8859.50
1951 1242.50 1055.00 1062.50 705.00 624.50 340.34 a 151.00 224.00 377.00 805.50 1102.00 1370.00 9059.34
1952 1457.50 1230.50 1106.00 723.00 574.00 444.00 174.50 196.50 267.50 440.00 1018.00 1160.50 8792.00
1953 1000.50 973.00 983.50 852.50 635.50 536.00 214.00 191.00 305.00 605.00 878.00 1048.50 8222.50
1954 1285.50 969.00 1129.00 865.50 631.00 502.76 a 311.50 308.50 384.50 736.50 790.00 1209.50 9123.26
1955 1180.00 1106.00 1245.50 985.50 758.00 414.50 319.50 214.50 394.00 704.00 1173.00 1379.50 9874.00
1956 1276.00 1224.50 1103.50 746.00 594.50 514.00 183.00 228.00 374.50 739.00 1002.00 1060.50 9045.50
1957 1548.00 1091.00 993.00 755.50 462.00 324.00 262.00 300.00 257.50 755.50 955.00 1048.50 8752.00
1958 1140.50 870.50 1063.00 835.50 400.50 252.93 a 81.00 103.00 452.00 614.00 1014.00 1025.50 7852.43
1959 1187.50 1045.50 1002.00 767.50 671.00 413.00 198.00 268.50 472.50 659.00 966.50 1173.50 8824.50
1960 1306.50 1123.00 1111.50 804.00 673.00 366.50 116.00 286.00 385.00 644.00 988.00 800.50 l 7803.50
1961 1150.50 928.50 1005.50 817.50 640.00 256.50 140.50 95.50 478.50 736.00 1142.00 1352.50 8743.50
1962 1334.00 985.00 1095.50 716.50 703.50 427.50 257.50 250.00 359.50 660.50 891.00 1090.00 8770.50
1963 1273.50 811.00 946.50 840.00 602.00 401.50 331.00 210.00 259.50 625.00 923.50 1161.00 8384.50
1964 1179.50 1103.50 1159.00 895.00 683.50 471.50 254.00 332.50 470.00 668.50 1037.00 1328.00 9582.00
1965 1207.97 a 981.50 1053.50 746.00 654.50 381.00 183.50 211.50 457.00 572.50 833.50 1194.00 8476.47
1966 1244.50 1090.00 1142.00 806.00 569.50 453.00 275.50 205.50 293.00 666.00 868.50 0.00 z 7613.50
1967 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 284.46 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 284.46
Period of Record Statistics
MEAN 1285.64 1067.14 1045.75 801.90 612.23 410.17 222.20 223.26 401.20 672.92 956.67 1183.83 8857.60
S.D. 172.60 117.48 101.67 93.88 86.88 74.82 68.66 64.54 88.55 76.04 92.93 111.44 517.17
SKEW 1.19 0.55 -0.43 -0.07 -0.32 -0.56 0.40 -0.14 0.14 -0.21 0.20 0.31 -0.14
MAX 1777.50 1464.50 1252.00 995.50 771.00 537.50 395.77 351.50 653.50 828.50 1173.00 1409.43 9874.00
MIN 1000.50 811.00 782.00 558.00 400.50 233.28 81.00 61.00 204.00 440.00 766.00 988.50 7684.50
NO YRS 56 54 55 56 55 57 56 57 57 55 55 52 46