BIG BEAR LAKE, CALIFORNIA

Monthly Total Heating Degree Days

(040741)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
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 837.00 1059.50 1896.50
1961 967.50 777.50 855.50 640.86 a 562.50 236.50 186.00 137.00 403.50 445.50 g 870.00 1017.00 6653.86
1962 1067.00 976.00 1093.27 a 522.93 a 588.50 303.21 b 167.92 a 96.00 267.41 a 578.48 c 756.00 958.42 a 7375.14
1963 1083.45 a 681.85 a 962.60 b 836.50 492.50 390.50 147.00 166.88 a 257.00 528.60 b 812.50 978.50 7337.89
1964 1088.10 a 991.00 1021.00 786.72 a 596.50 370.20 e 130.00 140.50 362.00 466.50 983.50 936.00 7872.02
1965 983.00 842.50 942.00 802.00 587.50 397.76 a 141.05 a 164.00 431.38 a 479.47 a 762.00 1009.50 7542.15
1966 1090.00 1018.00 779.50 601.00 383.00 215.50 104.00 62.00 244.00 555.93 a 735.50 910.50 6698.93
1967 922.00 801.50 815.50 955.50 512.00 333.50 25.50 37.95 b 250.00 452.50 723.00 e 1107.00 6935.95
1968 1036.50 758.50 851.50 716.38 a 466.50 177.50 66.50 179.50 243.50 506.00 732.50 1023.00 6757.88
1969 908.50 988.08 b 1055.50 692.00 437.00 259.50 69.00 24.50 159.00 595.50 758.50 895.00 6842.08
1970 880.73 c 513.50 j 899.50 812.00 419.00 221.50 28.00 19.00 253.50 525.50 697.00 1047.00 5802.73
1971 1017.50 837.00 755.00 689.50 607.00 256.00 66.00 29.50 218.79 a 652.03 a 780.00 1111.00 7019.33
1972 1017.00 782.48 a 614.00 640.50 476.50 223.97 a 13.50 113.00 265.50 624.50 910.34 a 1085.00 6766.29
1973 1094.00 960.00 1097.50 732.00 383.50 133.97 a 37.00 127.00 250.86 a 486.91 b 746.50 818.00 6867.24
1974 1028.50 839.00 803.50 657.50 401.28 d 107.07 a 81.63 a 122.50 136.55 a 301.50 i 580.50 h 1050.12 c 5227.66
1975 1025.77 c 925.12 c 1002.33 a 922.80 e 496.53 b 229.14 a 44.95 a 135.22 b 191.25 b 521.00 726.50 942.29 b 7162.91
1976 889.50 838.41 a 904.17 a 720.54 b 411.50 242.07 a 63.11 c 181.35 a 289.14 a 529.67 b 697.00 940.33 d 6706.78
1977 1076.98 b 764.81 a 981.50 605.56 c 688.00 173.28 a 0.00 z 47.00 236.90 a 426.80 c 631.07 b 0.00 z 5631.90
1978 926.00 874.74 a 766.50 754.50 495.48 a 158.50 65.62 a 71.19 d 227.50 f 362.00 834.23 d 1088.32 c 6397.08
1979 1153.50 942.00 894.19 b 666.21 a 444.85 a 178.33 c 74.92 a 147.00 149.00 417.97 b 766.55 a 822.50 6657.01
1980 860.50 765.00 923.80 a 642.41 a 626.41 b 245.40 e 33.07 a 0.00 z 148.00 j 481.50 682.50 156.00 x 5260.59
1981 840.00 834.30 a 905.00 570.00 449.00 95.00 52.50 50.12 a 201.50 622.50 711.00 758.00 6088.91
1982 1041.50 783.00 916.50 686.00 467.00 310.00 121.00 89.00 263.50 552.00 849.00 988.50 7067.00
1983 931.50 813.00 858.00 840.50 480.50 277.00 105.00 122.50 169.00 522.00 727.50 815.00 6661.50
1984 887.50 813.00 739.00 670.50 267.00 225.00 81.00 96.00 179.00 627.00 812.50 1077.00 6474.50
1985 0.00 z 887.50 911.00 527.50 407.50 126.00 44.50 94.00 349.00 528.00 785.00 917.50 5577.50
1986 719.00 743.50 739.50 632.50 399.00 159.00 93.50 29.50 409.50 0.00 z 696.00 925.50 5546.50
1987 1026.50 887.00 886.50 529.50 520.00 170.00 139.00 99.00 261.50 469.00 783.50 1080.00 6851.50
1988 959.00 836.00 782.00 642.50 457.00 211.00 31.50 106.50 270.00 392.00 721.00 1031.00 6439.50
1989 1116.50 903.00 663.00 459.50 415.00 197.00 17.50 143.50 257.50 571.50 725.69 a 898.00 6367.69
1990 1039.00 967.00 818.00 588.00 470.50 152.50 36.00 130.00 233.50 440.00 740.50 1103.50 6718.50
1991 968.00 721.00 1063.50 697.50 525.00 291.00 76.00 96.50 237.00 453.50 722.00 971.50 6822.50
1992 1033.00 864.50 869.00 517.50 374.50 253.50 99.50 92.00 190.00 463.00 782.50 1085.50 6624.50
1993 1024.00 944.00 756.50 567.50 374.50 235.50 111.50 113.00 257.00 527.50 790.00 960.00 6661.00
1994 887.00 919.00 753.50 617.00 451.00 112.00 12.00 34.00 202.00 589.50 936.50 949.00 6462.50
1995 969.50 706.50 840.00 670.00 558.50 278.50 90.50 34.00 153.50 455.50 589.50 858.50 6204.50
1996 837.50 775.50 763.00 533.00 350.00 161.00 13.00 34.00 240.00 524.50 707.50 825.50 5764.50
1997 935.50 827.00 679.50 632.00 274.00 210.00 92.00 39.00 148.00 558.50 743.50 1049.00 6188.00
1998 896.00 0.00 z 871.50 808.50 599.50 290.00 34.50 34.50 285.00 598.50 724.50 937.00 6079.50
1999 849.50 766.00 784.50 788.50 456.00 222.00 73.50 108.50 197.50 419.50 624.00 896.50 6186.00
2000 834.50 842.50 842.00 522.50 275.00 138.00 82.67 a 60.00 217.50 583.00 866.00 830.50 6094.17
2001 1123.00 946.30 a 792.50 715.00 246.50 61.00 g 82.50 17.00 121.00 344.10 a 716.90 a 947.64 b 6052.43
2002 923.50 759.00 817.62 c 555.50 400.50 77.68 b 0.50 54.00 179.50 547.50 685.00 1058.50 6058.80
2003 737.00 824.00 774.50 741.00 377.50 126.00 3.00 40.50 98.00 338.00 817.00 920.50 5797.00
2004 966.37 e 950.00 635.50 e 428.50 h 338.00 126.00 32.79 e 48.88 e 160.00 f 373.50 l 680.50 g 903.00 4000.54
2005 1051.00 886.00 822.00 618.00 369.00 147.00 h 20.00 37.00 255.00 372.50 f 470.50 g 818.50 4876.50
2006 941.00 586.00 g 1001.19 d 664.66 a 306.38 a 83.50 f 4.00 n 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2913.22
Period of Record Statistics
MEAN 970.06 850.28 854.42 670.93 449.66 216.21 70.23 86.46 237.72 507.94 760.44 963.73 6668.91
S.D. 100.25 85.31 116.28 110.99 101.84 78.42 45.65 48.36 74.37 79.00 79.31 95.24 481.69
SKEW -0.40 0.13 0.22 0.46 0.12 0.42 0.54 0.26 0.70 -0.31 0.60 -0.19 0.26
MAX 1153.50 1018.00 1097.50 955.50 688.00 397.76 186.00 181.35 431.38 652.03 983.50 1111.00 7872.02
MIN 719.00 681.85 614.00 459.50 246.50 77.68 0.50 17.00 98.00 338.00 589.50 758.00 5764.50
NO YRS 45 43 46 45 46 43 44 44 42 40 43 44 33