CALAVERAS BIG TREES, CALIFORNIA

Monthly Total Heating Degree Days

(041277)

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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 54.50 172.50 378.00 667.00 1023.00 d 2295.00
1949 1145.00 977.41 a 938.00 563.00 407.50 103.50 4.00 64.58 a 94.00 380.00 419.50 847.85 a 5944.34
1950 1033.50 658.00 576.00 f 498.00 357.50 198.00 11.00 48.50 218.79 a 349.50 488.50 639.00 4500.29
1951 849.00 763.00 725.50 506.40 e 387.50 147.00 30.50 52.00 84.50 425.50 639.00 923.50 5533.40
1952 998.00 778.00 904.68 a 556.00 345.65 a 310.86 a 8.78 a 16.00 28.00 g 223.00 695.17 a 851.31 e 5687.46
1953 698.00 681.00 756.50 608.50 605.50 339.50 17.00 125.00 89.50 469.59 d 595.00 562.50 f 4985.09
1954 887.00 425.50 f 586.50 h 490.00 307.00 293.00 27.00 149.50 180.00 366.50 532.00 817.00 4049.00
1955 971.00 834.50 762.00 758.50 455.50 232.50 140.02 a 13.50 159.50 317.00 681.00 821.50 6146.52
1956 886.00 893.50 734.00 647.50 416.00 227.00 57.00 102.50 126.50 516.84 b 557.00 706.50 5870.34
1957 994.50 683.50 752.50 593.00 499.50 114.60 e 39.78 a 97.50 149.00 540.00 695.50 718.00 5877.38
1958 774.50 688.00 909.33 a 659.00 314.50 251.50 67.50 6.00 k 113.50 218.50 601.50 546.00 5143.83
1959 768.50 812.00 623.00 429.50 476.00 149.00 16.50 66.13 a 227.00 276.00 459.50 657.20 a 4960.33
1960 950.50 790.00 661.00 571.00 459.00 37.00 10.00 62.00 55.50 386.50 693.50 740.00 5416.00
1961 497.50 g 678.50 792.00 539.00 520.00 136.00 28.50 23.50 188.50 377.50 652.50 847.85 a 4783.85
1962 802.00 810.00 904.50 449.50 526.50 170.00 30.00 50.50 92.59 a 366.50 555.50 671.00 5428.59
1963 864.00 551.00 845.00 831.00 409.50 280.00 81.00 59.50 112.50 377.00 0.00 z 718.50 5129.00
1964 883.50 726.50 838.00 643.50 512.50 280.00 45.50 37.50 206.00 229.00 816.00 840.00 6058.00
1965 865.50 695.00 764.50 687.50 474.50 272.00 58.68 c 56.32 a 276.00 274.50 690.50 927.50 6042.50
1966 953.00 878.50 740.00 486.00 281.50 206.00 94.50 55.11 d 214.50 454.00 620.17 a 826.00 5809.28
1967 835.00 679.50 840.00 980.00 469.00 284.00 1.00 1.00 67.00 345.00 531.50 1010.50 6043.50
1968 914.50 705.50 754.50 588.00 468.00 126.00 12.00 171.00 139.00 413.50 685.34 a 1049.00 6026.34
1969 950.50 980.00 868.00 671.00 308.50 231.50 21.00 12.00 110.50 540.50 603.50 839.50 6136.50
1970 867.00 683.50 751.50 779.50 347.50 199.00 8.00 10.00 177.00 424.50 662.50 1059.50 5969.50
1971 933.00 777.50 859.00 719.50 582.50 241.00 33.14 b 18.50 196.50 544.00 726.50 1136.00 6767.14
1972 958.50 764.00 613.00 643.50 354.00 109.00 20.50 22.50 g 239.00 513.00 798.50 1040.50 6053.50
1973 1029.00 812.00 944.00 599.50 282.00 123.10 a 32.50 52.91 b 184.14 a 426.00 0.00 z 910.50 5395.66
1974 972.00 798.00 781.50 704.50 372.50 101.00 73.00 31.00 34.14 a 364.50 725.00 904.00 5861.14
1975 864.50 828.00 897.50 872.00 404.00 144.50 60.00 77.50 35.00 502.50 724.50 786.50 6196.50
1976 807.00 792.50 820.50 698.00 267.12 a 201.43 b 21.00 n 177.00 171.50 334.80 a 482.88 d 759.00 5511.73
1977 914.00 624.00 887.00 449.00 645.32 a 90.50 18.50 18.60 a 195.52 a 298.00 634.50 751.00 5525.93
1978 864.00 775.50 654.50 718.50 366.83 a 138.50 44.43 a 78.00 261.43 b 218.03 a 785.17 a 989.50 5894.40
1979 1042.50 888.74 a 802.00 647.14 b 357.10 e 100.71 b 64.00 83.70 a 81.96 b 421.27 c 772.76 a 788.43 a 6050.32
1980 867.00 755.61 b 851.50 598.89 c 408.00 h 283.97 a 70.94 e 66.50 154.66 a 369.93 a 610.00 724.50 5353.50
1981 786.50 775.00 842.00 514.00 360.50 68.50 4.00 8.50 89.50 564.72 a 676.50 812.50 5502.22
1982 1034.50 760.50 906.50 696.00 327.00 209.00 70.50 30.00 252.00 528.00 822.50 943.00 6579.50
1983 826.00 801.00 848.00 766.50 365.50 158.00 121.00 66.00 125.50 395.00 783.50 894.50 6150.50
1984 766.00 820.00 673.50 658.50 277.50 168.50 10.50 14.00 83.50 593.50 840.00 999.50 5905.00
1985 897.50 803.00 916.50 440.50 385.50 91.50 14.00 47.00 329.50 461.50 848.00 823.00 6057.50
1986 703.00 709.00 633.00 601.50 378.00 94.50 52.00 5.00 409.50 446.00 566.50 816.50 5414.50
1987 975.50 787.00 830.50 440.50 335.50 112.50 131.00 46.50 111.50 264.00 718.00 1001.00 5753.50
1988 938.50 665.50 689.00 594.00 480.50 220.00 15.50 34.00 134.00 209.00 748.50 933.00 5661.50
1989 968.50 915.00 787.00 465.50 444.50 136.00 21.50 77.50 195.00 487.00 601.50 720.00 5819.00
1990 910.00 923.00 757.00 496.50 431.00 179.00 34.50 104.00 140.00 302.50 667.50 1018.00 5963.00
1991 827.50 572.00 995.50 724.00 588.50 240.50 22.50 53.00 61.00 250.50 610.34 a 813.00 5758.34
1992 866.50 744.00 742.00 453.50 207.00 183.50 99.50 29.00 97.00 318.50 703.50 1001.30 a 5445.30
1993 1012.00 888.00 716.50 635.00 409.00 248.50 72.50 85.50 141.50 378.50 686.50 913.00 6186.50
1994 786.00 871.00 690.50 587.50 445.00 143.50 0.50 6.50 144.00 501.50 972.50 963.50 6112.00
1995 938.50 625.00 843.50 720.50 566.00 311.00 68.00 41.00 117.00 310.50 489.00 850.50 5880.50
1996 823.50 780.93 a 762.00 565.50 418.50 155.00 14.50 28.50 205.00 486.00 675.00 854.00 5768.43
1997 905.20 a 738.50 615.50 589.50 252.00 194.00 55.00 51.50 133.50 483.00 682.50 911.00 5611.20
1998 930.50 913.50 833.50 761.50 707.00 304.50 35.50 40.50 227.50 507.50 788.50 928.00 6978.00
1999 803.50 866.96 a 868.00 747.50 452.50 237.50 61.48 a 102.50 77.00 255.00 585.50 798.00 5855.45
2000 858.50 825.50 782.00 530.00 371.00 132.00 81.50 32.00 228.50 514.50 822.00 759.50 5937.00
2001 913.50 862.62 b 696.93 d 758.28 a 151.00 125.00 53.50 23.50 87.00 263.00 660.00 994.00 5588.32
2002 977.50 704.00 813.50 616.50 473.50 90.00 0.50 60.00 138.50 423.00 556.50 943.50 5797.00
2003 751.50 756.00 736.00 840.50 117.00 k 108.00 10.00 33.00 50.50 193.50 830.50 941.50 5251.00
2004 948.37 d 905.50 546.00 513.00 e 390.00 100.00 17.50 35.50 164.50 492.50 760.00 830.50 5703.37
2005 973.00 766.00 746.50 700.50 453.00 291.00 5.50 6.50 245.00 435.79 e 590.00 822.50 6035.29
2006 939.50 729.50 1034.37 a 725.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3428.87
Period of Record Statistics
MEAN 898.30 776.68 790.72 626.35 411.81 182.86 41.05 53.44 154.30 391.47 669.40 862.37 5889.35
S.D. 90.33 94.16 101.21 121.39 107.35 74.83 34.03 39.47 74.12 105.38 111.48 120.70 353.70
SKEW 0.00 -0.04 -0.05 0.41 0.30 0.26 1.02 1.25 0.85 -0.12 0.08 -0.13 0.53
MAX 1145.00 980.00 1034.37 980.00 707.00 339.50 140.02 177.00 409.50 593.50 972.50 1136.00 6978.00
MIN 698.00 551.00 546.00 429.50 151.00 37.00 0.50 1.00 34.14 193.50 419.50 546.00 4960.33
NO YRS 57 57 56 58 55 57 56 56 57 58 56 57 45