TAHOE, CALIFORNIA

Monthly Total Heating Degree Days

(048758)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1903 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
1904 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
1905 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
1906 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
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 475.00 q 702.00 0.00 z 0.00 z 0.00 z 0.00 z 327.50 624.00 855.56 c 1214.00 3723.06
1910 1177.00 1031.50 862.00 660.00 539.63 d 384.00 138.50 164.82 a 333.10 a 590.07 b 761.38 a 943.00 7585.00
1911 1106.50 1190.00 988.50 904.00 800.00 406.00 191.00 312.50 508.45 a 741.42 a 901.07 b 1210.00 9259.44
1912 1078.50 966.00 1112.00 975.50 706.00 476.00 253.17 a 253.50 471.00 738.50 834.31 a 1101.50 8965.98
1913 1271.00 1065.56 a 1086.00 839.00 600.37 a 473.00 233.00 216.50 337.50 629.50 867.00 1126.00 8744.42
1914 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
1915 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
1916 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
1917 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
1918 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
1919 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
1920 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
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 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
1931 1178.00 907.00 902.00 670.50 417.00 335.00 42.00 38.50 392.50 595.00 1039.00 1245.00 7761.50
1932 1380.00 1212.50 974.00 849.50 626.50 293.50 165.50 158.00 229.00 604.00 780.00 1305.50 8578.00
1933 1301.50 1185.50 990.50 844.50 803.00 345.00 69.00 114.00 318.50 476.50 856.50 1066.00 8370.50
1934 1075.50 884.00 715.50 584.00 455.00 375.50 151.50 75.50 292.00 585.50 853.00 1078.50 7125.50
1935 1217.00 976.50 1181.50 842.50 600.50 275.50 209.00 95.50 209.50 707.00 1001.50 1115.50 8431.50
1936 1143.00 1085.00 982.00 763.00 546.50 344.50 90.50 104.00 363.50 585.50 591.50 i 1092.50 7100.00
1937 1507.00 1022.50 994.50 857.50 521.00 355.50 94.00 111.50 279.00 595.50 841.50 996.00 8175.50
1938 1077.50 1065.00 1148.00 839.00 637.50 297.00 154.00 143.50 274.00 670.00 983.00 1024.50 8313.00
1939 1117.50 1124.50 940.50 613.50 538.00 350.50 115.00 49.00 334.50 662.00 799.00 884.50 7528.50
1940 1072.50 1006.50 939.00 760.00 447.00 179.00 160.50 85.00 377.00 606.00 923.28 a 1021.40 b 7577.17
1941 1084.48 a 911.00 939.50 848.00 564.00 396.50 53.50 f 196.52 c 466.50 707.50 833.00 1085.50 8032.50
1942 1146.00 1115.50 1061.50 855.50 733.15 a 399.50 100.50 124.00 351.50 606.00 897.50 1038.50 8429.15
1943 1116.50 974.50 953.50 688.50 569.00 478.50 153.40 b 242.32 a 240.00 615.50 831.00 1060.50 7923.21
1944 1153.00 1095.50 1063.50 910.86 a 605.50 488.00 195.00 212.50 313.00 579.00 1010.69 a 1080.50 8707.05
1945 1166.50 1025.00 1106.00 855.50 648.50 389.00 92.00 151.50 305.50 555.50 973.00 1112.00 8380.00
1946 1173.00 1046.00 1002.00 750.00 553.00 374.00 132.50 134.00 370.00 776.00 971.50 1024.50 8306.50
1947 1184.00 873.00 920.50 734.00 438.00 407.50 223.00 217.50 295.00 626.00 979.50 1084.50 7982.50
1948 1026.50 1125.50 1115.50 886.50 727.50 381.00 206.00 245.50 353.00 631.50 939.00 1274.00 8911.50
1949 1465.50 1134.00 1067.50 722.00 614.00 307.00 136.00 197.50 289.00 698.00 815.00 1151.00 8596.50
1950 1336.00 980.50 1070.00 816.00 635.50 407.50 111.00 172.00 391.50 590.00 786.50 928.00 8224.50
1951 1164.50 1000.50 1041.60 a 720.00 624.50 330.50 176.38 b 221.65 a 307.00 717.50 890.00 1199.00 8393.13
1952 1319.50 1118.00 1220.00 793.50 585.00 464.00 147.50 199.00 346.00 505.00 970.00 1141.50 8809.00
1953 1035.50 996.00 1032.00 853.00 818.00 506.50 152.50 268.00 309.50 668.00 840.00 1053.00 8532.00
1954 1108.50 957.50 1103.50 682.50 485.50 424.50 137.00 289.00 395.00 598.00 782.00 1114.50 8077.50
1955 1271.00 1074.00 1056.00 938.00 634.50 380.00 244.00 113.00 333.50 575.50 906.50 1061.50 8587.50
1956 1083.50 1187.50 1016.00 833.50 611.50 382.00 198.00 274.50 311.00 700.50 921.00 1071.50 8590.50
1957 1278.00 898.00 958.50 762.50 666.00 309.50 190.00 248.00 296.00 709.00 947.50 1032.50 8295.50
1958 1095.00 914.00 1153.50 905.00 537.00 397.00 187.00 93.50 321.50 519.50 841.00 868.50 7832.50
1959 1011.50 1053.36 c 910.50 664.00 690.50 279.50 75.00 185.00 394.00 545.00 790.00 1022.50 7620.86
1960 1175.50 1073.50 918.50 759.50 640.00 206.50 71.50 154.50 251.50 587.00 886.73 d 1068.50 7793.23
1961 944.00 869.00 962.50 751.00 623.50 226.50 83.50 114.50 397.00 667.00 895.00 1091.50 7625.00
1962 1177.50 1053.50 1133.00 702.00 651.00 292.50 138.00 152.50 254.00 608.00 790.00 922.00 7874.00
1963 1093.00 734.50 1014.50 962.00 543.50 439.50 214.50 194.00 277.00 527.50 889.14 a 979.50 7868.64
1964 1125.50 1053.00 1072.00 820.50 676.00 415.00 126.50 144.00 386.50 46.00 z 977.50 1040.00 7836.50
1965 1114.50 954.00 964.00 763.00 653.50 392.00 180.50 200.00 475.50 559.00 821.50 1100.50 8178.00
1966 1158.00 1053.00 920.50 688.00 423.50 327.00 164.50 70.50 303.50 577.50 799.00 1055.50 7540.50
1967 1067.00 937.00 1007.00 1068.50 639.00 400.50 65.00 37.50 235.00 594.50 757.00 1192.50 8000.50
1968 1139.50 887.50 940.50 770.00 587.00 272.00 90.50 271.00 345.50 623.50 857.50 1108.50 7893.00
1969 1055.00 1083.00 1081.00 822.93 a 498.50 365.69 a 116.50 100.50 234.50 712.50 827.00 968.00 7865.12
1970 999.00 842.50 933.00 910.00 534.00 333.00 72.50 69.50 403.00 669.50 799.50 1210.50 7776.00
1971 1138.00 990.50 1042.50 863.00 668.00 394.00 111.50 63.50 375.50 767.50 885.00 918.00 h 7299.00
1972 1192.50 942.00 830.00 807.00 525.00 268.50 98.50 138.00 392.00 655.50 941.50 1233.50 8024.00
1973 1209.50 959.00 1089.50 796.00 480.50 317.00 157.50 194.00 377.50 652.50 940.50 1062.50 8236.00
1974 1115.50 1002.00 942.50 874.50 574.50 259.00 178.00 175.00 252.00 567.50 853.00 1084.00 7877.50
1975 1145.00 1046.00 1055.00 987.00 668.00 372.50 195.00 228.50 225.00 683.00 904.50 986.50 8496.00
1976 1100.50 1013.00 1066.50 860.50 523.00 401.50 155.50 351.00 341.00 612.00 750.00 1019.50 8194.00
1977 1181.50 938.50 1215.00 0.00 z 799.00 255.00 172.10 b 168.50 365.17 a 543.50 790.00 969.00 7397.28
1978 1072.50 983.50 858.00 851.00 649.00 391.50 142.50 0.00 z 442.00 463.00 967.50 1169.50 7990.00
1979 1188.00 1004.00 957.00 811.50 536.00 326.50 169.50 181.50 230.00 526.50 891.00 955.00 7776.50
1980 1013.00 881.50 1045.50 752.00 648.00 449.00 175.00 178.50 332.50 589.00 752.50 966.00 7782.50
1981 955.00 914.00 927.50 681.50 557.00 226.50 129.50 69.50 202.00 711.50 825.50 920.50 7120.00
1982 1224.50 917.00 1028.00 888.00 569.50 412.50 190.00 138.00 403.00 664.00 906.50 1082.50 8423.50
1983 1027.00 894.50 1042.50 939.50 640.50 367.00 271.00 165.00 299.00 551.00 874.00 980.50 8051.50
1984 1009.00 993.00 839.50 848.00 495.50 364.00 57.50 91.50 256.00 724.00 917.00 1102.00 7697.00
1985 1059.50 957.00 1027.00 661.00 547.00 210.50 63.50 172.50 448.00 613.50 953.00 1064.50 7777.00
1986 883.00 888.00 825.00 727.00 545.50 230.50 156.00 55.00 491.50 621.00 759.50 969.50 7151.50
1987 1127.50 958.50 952.50 594.00 483.50 243.00 216.50 92.00 233.00 447.00 794.50 1118.00 7260.00
1988 1083.50 890.00 834.50 688.50 570.50 297.00 58.00 68.50 256.00 403.50 855.50 1122.00 7127.50
1989 1162.50 1017.50 861.00 636.50 546.00 286.50 106.50 203.00 326.50 632.50 798.00 941.50 7518.00
1990 1033.50 1065.50 871.00 600.50 581.00 333.00 79.00 164.00 242.00 485.00 819.50 1208.50 7482.50
1991 1034.50 749.00 1051.00 800.50 675.50 363.00 85.00 94.50 220.50 467.00 812.00 1033.50 7386.00
1992 1054.50 867.00 827.00 556.50 344.50 267.50 168.50 98.00 236.50 475.50 825.00 1188.00 6908.50
1993 1280.50 1045.50 878.50 728.50 485.00 390.50 207.00 168.00 282.50 569.00 836.50 1056.50 7928.00
1994 1027.50 987.00 835.00 689.50 500.00 278.00 53.50 71.00 266.50 619.50 1069.50 1117.00 7514.00
1995 1066.50 868.00 1003.50 862.00 652.50 413.00 190.00 146.00 249.50 510.50 642.00 948.00 7551.50
1996 993.00 902.00 930.00 744.00 568.00 295.50 63.50 115.50 330.50 613.50 809.50 991.00 7356.00
1997 1034.00 902.00 804.50 752.50 432.50 328.50 162.50 118.50 285.50 622.00 765.00 1109.00 7316.50
1998 1002.00 1007.50 946.00 846.50 758.50 408.50 112.00 102.50 278.50 645.00 868.50 1095.50 8071.00
1999 1023.50 970.50 950.50 891.50 586.00 354.00 124.00 191.00 279.50 489.50 717.00 1026.00 7603.00
2000 1012.00 916.50 915.00 676.50 507.50 235.50 160.00 93.50 329.50 614.00 943.00 951.50 7354.50
2001 1097.50 997.50 832.50 833.00 357.00 238.00 119.00 61.50 197.50 413.00 776.50 1079.50 7002.50
2002 1131.50 894.00 998.50 700.50 565.50 229.50 44.50 130.00 256.00 576.50 782.50 1033.50 7342.50
2003 879.00 952.50 841.50 896.50 542.50 235.50 67.00 113.00 228.50 400.00 933.50 1044.00 7133.50
2004 1090.50 1009.50 792.50 680.00 535.50 264.00 79.00 125.00 320.00 660.00 898.50 1047.50 7502.00
2005 1152.00 895.00 934.50 830.00 593.00 414.50 49.00 101.50 389.50 601.50 788.00 988.00 7736.50
2006 1073.00 964.50 1145.00 817.00 506.50 234.00 62.50 151.00 302.50 614.00 809.50 1051.50 7731.00
2007 1161.00 902.00 855.50 735.00 502.00 270.50 78.50 70.50 342.50 645.50 757.00 1118.00 7438.00
2008 1184.50 1061.50 950.00 799.00 566.50 294.00 69.00 59.00 267.00 594.00 783.00 1136.00 7763.50
2009 1091.50 997.00 1014.00 773.00 445.00 350.00 92.00 141.50 173.00 683.00 828.00 1156.50 7744.50
2010 1052.50 899.50 981.50 902.00 762.00 329.50 71.00 167.50 290.50 562.50 0.00 z 1010.00 7028.50
2011 1043.00 1051.56 a 1016.59 b 839.00 733.31 b 419.00 161.00 205.24 b 8.00 z 556.50 881.38 a 1033.85 a 7940.42
2012 1001.50 968.39 a 975.50 739.50 520.50 309.00 101.00 43.00 178.50 529.50 787.00 1103.00 7256.39
2013 1161.00 969.50 831.00 27.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 47.50 z 2961.50
Period of Record Statistics
MEAN 1121.11 985.91 979.00 789.54 583.66 341.73 134.69 149.18 316.19 602.72 858.97 1067.87 7905.95
S.D. 109.22 92.34 103.20 100.23 98.37 74.62 55.45 68.09 73.76 80.98 79.47 88.41 515.09
SKEW 0.90 0.10 0.04 -0.01 0.20 -0.03 0.23 0.54 0.44 -0.32 0.27 0.24 0.31
MAX 1507.00 1212.50 1220.00 1068.50 818.00 506.50 271.00 351.00 508.45 776.00 1069.50 1305.50 9259.44
MIN 879.00 734.50 715.50 556.50 344.50 179.00 42.00 37.50 173.00 400.00 642.00 868.50 6908.50
NO YRS 87 87 87 86 86 86 85 85 86 86 85 86 78