ECHO SUMT SIER TAHOE, CALIFORNIA

Monthly Total Heating Degree Days

(042671)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 199403
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
1944 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 767.50 h 1070.50 1070.50
1945 1144.86 b 1044.00 1221.00 887.50 798.00 340.50 j 103.00 186.50 294.00 589.00 1006.50 1136.00 8410.36
1946 1130.00 1051.00 1041.00 784.00 645.50 383.00 180.00 160.00 386.50 847.50 1055.50 1097.00 8761.00
1947 1143.00 799.00 932.00 788.00 484.63 a 454.00 259.50 274.50 270.00 a 693.00 0.00 z 1090.50 7188.13
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 227.50 268.27 e 367.80 e 576.48 e 0.00 z 0.00 z 1440.05
1949 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
1950 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
1951 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
1952 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
1953 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
1954 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
1955 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
1956 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
1957 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
1958 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
1959 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
1960 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
1961 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
1962 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
1963 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
1964 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
1965 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
1966 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
1967 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
1968 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
1969 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
1970 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
1971 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
1972 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
1973 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
1974 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
1975 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
1976 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
1977 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
1978 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
1979 0.00 z 0.00 z 0.00 z 936.60 e 644.00 348.00 217.00 268.50 230.00 621.00 978.50 1013.50 5257.10
1980 1099.50 971.50 1143.50 872.50 799.50 561.00 214.00 231.00 406.00 585.50 821.50 971.50 8677.00
1981 1022.50 971.50 1078.50 826.50 682.50 283.50 172.00 118.50 274.00 823.00 930.50 1038.00 8221.00
1982 1248.50 948.50 1165.50 1012.50 636.50 507.50 249.00 200.50 473.50 753.50 1022.50 1163.00 9381.00
1983 1064.00 1017.50 1130.00 1068.00 732.00 512.00 351.00 250.50 346.00 628.00 999.00 1104.00 9202.00
1984 1000.50 1026.00 963.00 988.00 588.00 448.00 103.50 162.00 299.50 829.00 1052.00 1196.50 8656.00
1985 1071.00 989.50 1162.00 693.50 631.50 234.50 102.00 195.50 540.00 685.00 1048.50 1040.00 8393.00
1986 908.00 966.00 920.50 856.50 660.00 267.50 263.00 86.00 608.00 746.00 889.00 1056.00 8226.50
1987 1223.00 1023.00 1072.50 656.50 600.50 273.50 307.00 118.50 199.50 412.00 876.00 1240.00 8002.00
1988 1117.50 841.00 911.00 784.00 656.17 a 350.50 68.50 92.50 269.00 307.00 953.00 1091.00 7441.17
1989 1078.50 1091.00 996.00 709.50 670.00 301.00 103.50 229.00 334.50 664.50 739.00 826.00 7742.50
1990 1051.50 1088.50 921.50 672.00 688.50 363.50 105.50 214.50 282.50 454.00 818.00 1165.00 7825.00
1991 957.00 730.50 1221.00 928.50 831.50 425.00 109.00 157.50 167.50 437.50 779.50 968.00 7712.50
1992 949.50 942.50 939.00 635.50 378.00 356.00 224.50 93.00 243.00 498.50 844.00 1175.00 7278.50
1993 1235.00 1094.50 868.50 859.00 633.50 445.00 218.00 122.00 n 249.50 331.50 k 0.00 z 616.50 m 5603.00
1994 0.00 z 0.00 z 836.48 a 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 836.48
Period of Record Statistics
MEAN 1084.93 976.21 1029.05 831.03 653.35 383.15 188.29 183.71 328.46 619.47 925.81 1080.08 8251.37
S.D. 99.19 102.66 123.88 127.11 107.18 95.56 80.64 63.72 114.27 153.94 103.89 98.17 632.59
SKEW -0.01 -1.03 0.14 0.12 -0.68 0.21 0.21 -0.13 0.99 -0.29 -0.29 -0.74 0.24
MAX 1248.50 1094.50 1221.00 1068.00 831.50 561.00 351.00 274.50 608.00 847.50 1055.50 1240.00 9381.00
MIN 908.00 730.50 836.48 635.50 378.00 234.50 68.50 86.00 167.50 307.00 739.00 826.00 7278.50
NO YRS 17 17 18 18 18 17 19 18 19 18 16 18 14