BIG BEAR LAKE DAM, CALIFORNIA

Monthly Total Heating Degree Days

(040742)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197109
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
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 1185.50 1185.50
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 910.50 865.00 0.00 z 143.50 p 252.00 0.00 z 109.50 304.00 537.00 717.50 981.00 4676.50
1921 1068.97 b 930.00 765.00 737.00 712.00 271.00 102.50 308.00 533.50 716.50 939.50 243.00 x 7083.97
1922 1104.00 f 1224.00 1202.00 888.00 669.08 a 243.00 82.67 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4308.75
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 268.50 0.00 z 0.00 z 0.00 z 268.50
1931 0.00 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
1932 0.00 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
1933 0.00 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 741.00 921.50 1662.50
1934 963.00 761.50 601.00 506.00 400.50 380.00 58.50 61.50 313.50 555.00 745.00 776.00 f 5345.50
1935 1126.16 b 918.00 994.21 c 693.75 b 593.65 a 172.50 171.00 76.00 h 191.00 f 0.00 z 876.50 1027.98 c 6573.75
1936 933.21 b 987.00 839.00 580.56 c 438.02 d 224.48 a 99.50 112.78 b 351.43 b 640.50 821.25 b 777.00 i 6027.72
1937 1544.50 1026.50 1087.50 818.28 a 455.50 258.00 112.00 86.00 213.50 497.50 728.50 932.00 7759.78
1938 985.00 1054.50 1076.00 759.50 540.00 302.07 a 133.50 141.57 a 234.00 673.50 889.50 986.50 7775.64
1939 1130.50 1152.15 a 974.00 644.50 511.00 305.50 105.50 75.43 a 339.00 615.50 730.00 822.00 7405.08
1940 943.50 919.50 0.00 z 661.55 a 381.50 149.50 150.50 81.50 334.50 524.00 836.90 a 899.50 5882.45
1941 1040.50 866.00 935.00 871.00 465.00 388.50 145.50 221.50 398.00 707.50 715.50 1035.50 7789.50
1942 1045.00 940.00 946.00 796.50 589.50 272.59 a 78.02 a 157.14 b 346.55 a 557.00 662.68 b 892.80 a 7283.77
1943 1003.50 964.00 839.00 591.50 433.50 407.50 132.00 105.50 173.00 523.90 a 752.00 1094.50 7019.90
1944 1135.63 a 1088.50 1025.50 825.00 587.00 469.00 206.50 133.50 222.00 563.50 974.00 1048.32 a 8278.45
1945 1080.50 914.50 1127.50 769.50 560.50 312.50 59.50 139.50 267.00 547.00 833.50 1014.50 7626.00
1946 1104.50 997.00 973.00 634.00 524.00 255.00 127.00 83.50 208.50 690.50 985.50 965.00 7547.50
1947 1119.00 0.00 z 794.00 660.50 369.50 278.50 70.00 165.00 160.00 509.00 911.00 1152.00 6188.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 104.50 g 157.00 257.00 574.50 832.00 1170.00 2990.50
1949 1597.00 1241.50 1132.00 746.50 634.43 b 255.50 123.00 162.00 209.00 683.03 a 544.50 g 1224.50 8008.46
1950 1308.50 866.50 814.50 614.50 559.00 358.00 114.50 160.50 365.00 459.00 722.50 857.50 7200.00
1951 1090.50 937.00 963.00 768.50 551.00 376.00 121.50 200.00 289.50 646.00 924.00 1196.50 8063.50
1952 1337.00 1166.00 1222.00 873.10 a 455.50 346.00 f 188.50 127.00 304.50 480.50 1018.50 1094.50 8267.10
1953 598.50 g 756.50 0.00 z 0.00 z 0.00 z 102.50 j 1.00 70.78 a 148.50 h 567.00 759.00 1023.00 3177.28
1954 1085.50 783.50 956.00 578.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3403.00
1955 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 43.50 193.00 f 482.50 810.54 b 899.00 2235.54
1956 891.25 a 387.50 r 615.50 f 794.46 b 510.50 148.50 f 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2196.21
1957 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 164.00 74.00 149.50 365.50 748.00 961.50 1001.50 3464.00
1958 1057.50 891.50 1153.00 862.50 437.50 327.00 171.50 72.00 254.00 516.50 928.50 932.50 7604.00
1959 1002.50 994.00 765.00 540.50 500.50 100.50 6.50 87.00 283.00 461.50 765.00 961.50 6467.50
1960 1241.50 1024.50 783.50 621.50 475.50 91.55 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4238.05
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
Period of Record Statistics
MEAN 1118.11 972.59 951.36 713.47 514.76 275.59 109.78 128.45 291.44 579.06 830.05 1012.76 7524.66
S.D. 176.48 130.00 158.77 113.44 88.91 95.52 51.15 58.38 82.19 86.30 101.42 111.19 466.75
SKEW 1.40 0.40 -0.12 -0.08 0.36 -0.12 -0.27 1.14 0.85 0.44 0.25 0.35 -0.62
MAX 1597.00 1241.50 1222.00 888.00 712.00 469.00 206.50 308.00 533.50 748.00 1018.50 1224.50 8278.45
MIN 891.25 756.50 601.00 506.00 369.50 91.55 1.00 43.50 160.00 459.00 662.68 822.00 6467.50
NO YRS 24 25 24 25 24 24 24 25 24 25 26 25 13