SIERRA CITY, CALIFORNIA

Monthly Total Heating Degree Days

(048207)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200005
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 63.00 65.00 168.00 348.50 656.00 1026.50 2327.00
1949 1146.00 921.00 845.50 390.50 369.00 85.50 13.00 51.00 109.00 359.50 432.00 885.00 5607.00
1950 1133.00 691.50 768.50 457.00 283.50 198.50 6.00 24.00 156.00 355.50 498.00 356.50 o 4571.50
1951 930.00 c 0.00 z 0.00 z 299.50 n 326.00 63.50 25.50 48.50 57.00 471.00 676.50 991.00 3589.00
1952 485.50 r 0.00 z 0.00 z 0.00 z 0.00 z 183.50 k 0.00 9.00 96.00 168.36 b 645.54 b 0.00 z 918.90
1953 0.00 z 0.00 z 0.00 z 260.50 n 610.00 312.50 3.50 112.00 69.50 418.00 669.00 794.00 2988.50
1954 899.00 580.50 826.50 384.50 216.50 245.50 16.00 102.00 183.00 380.00 601.50 889.50 5324.50
1955 1026.50 805.00 721.50 735.00 315.00 0.00 z 0.00 z 0.00 z 0.00 z 224.50 q 0.00 z 0.00 z 3603.00
1956 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 11.88 a 21.18 a 95.00 468.32 c 552.50 728.50 d 1877.39
1957 1057.74 b 0.00 z 0.00 z 0.00 z 0.00 z 7.00 r 7.23 a 56.50 70.50 462.00 642.00 742.97 a 3038.94
1958 754.00 678.50 851.00 570.00 199.00 163.00 15.00 0.50 54.00 154.50 533.00 520.11 d 4492.61
1959 756.50 766.00 540.50 325.50 409.50 59.50 6.00 40.50 175.00 202.00 366.00 635.50 4282.50
1960 945.50 764.00 376.50 j 530.50 408.50 13.00 2.50 31.00 11.50 260.50 655.00 c 684.21 c 4306.21
1961 619.00 651.00 754.50 460.50 418.50 87.00 15.50 6.00 88.00 326.00 586.50 574.50 g 4012.50
1962 739.00 771.00 837.50 329.00 428.83 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3105.33
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 16.00 m 133.00 175.00 767.07 a 824.27 c 1899.34
1965 780.34 b 613.93 a 659.00 553.50 351.00 157.50 21.50 47.00 170.00 168.43 a 669.00 926.26 b 5117.46
1966 887.50 798.00 631.00 349.50 158.10 a 138.50 62.52 a 26.50 94.04 d 217.52 a 620.17 a 830.28 a 4813.63
1967 664.00 g 634.85 b 810.13 a 885.00 a 358.57 a 215.00 1.50 1.00 38.28 a 326.00 485.40 e 944.50 4700.22
1968 857.48 c 662.50 646.50 486.00 366.00 119.50 9.50 156.55 a 86.38 a 340.00 659.50 996.00 5385.91
1969 956.00 916.22 a 744.50 572.00 200.43 b 143.00 7.00 8.00 81.00 471.50 525.00 784.00 5408.65
1970 815.50 617.00 652.55 a 661.50 290.50 151.00 4.00 4.00 119.50 378.50 665.00 1000.50 5359.55
1971 897.50 711.00 787.00 617.00 471.00 202.50 22.00 21.00 171.50 491.50 701.00 1057.50 6150.50
1972 900.50 739.50 570.00 618.00 303.00 78.50 17.50 43.50 174.00 428.50 717.00 989.50 5579.50
1973 970.50 694.50 779.50 484.00 207.00 104.00 6.50 46.50 123.00 375.00 823.50 845.50 5459.50
1974 886.00 708.00 692.50 553.50 294.00 51.50 57.00 16.00 7.00 271.00 610.50 811.00 4958.00
1975 749.00 749.78 a 819.00 738.50 279.50 110.50 25.00 52.00 5.00 264.00 g 651.00 652.50 4831.78
1976 664.00 690.00 663.00 569.50 185.50 151.50 9.50 108.00 86.00 194.00 327.00 587.00 4235.00
1977 736.50 516.00 757.00 350.00 576.50 44.50 17.00 16.50 172.00 208.50 566.50 744.50 4705.50
1978 776.50 675.50 560.50 623.00 298.00 113.50 33.50 43.00 153.00 137.00 660.50 853.57 b 4927.57
1979 884.00 789.50 651.50 451.50 f 203.05 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2528.05
1980 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1981 0.00 z 0.00 z 0.00 z 55.00 v 289.50 74.50 15.50 5.50 92.00 461.50 606.00 737.50 2282.00
1982 928.50 691.00 799.00 362.00 i 250.00 172.00 60.50 26.50 213.00 447.00 767.50 888.00 5243.00
1983 783.50 756.00 811.50 702.00 340.00 150.00 116.50 53.50 94.50 317.50 759.00 930.00 5814.00
1984 705.50 734.00 585.50 597.00 249.50 137.00 1.00 10.50 62.50 514.00 765.50 881.00 5243.00
1985 695.50 695.00 793.50 353.00 310.00 74.00 15.50 23.50 206.50 319.00 763.50 692.50 4941.50
1986 673.00 649.00 503.00 470.50 299.50 52.50 12.00 0.00 314.00 293.50 496.50 709.50 4473.00
1987 885.50 680.00 695.00 275.50 241.00 50.50 76.00 8.50 26.50 150.00 596.50 930.00 4615.00
1988 862.00 522.00 554.00 468.50 377.50 164.00 6.50 10.00 75.50 79.00 679.50 825.50 4624.00
1989 846.00 833.50 709.00 355.00 320.00 63.50 17.00 36.00 100.00 388.00 481.00 602.00 4751.00
1990 817.50 807.50 611.50 324.00 353.00 161.00 19.50 67.00 69.00 237.00 606.00 952.50 5025.50
1991 756.00 490.50 928.00 614.00 473.00 188.50 9.00 31.50 0.00 z 171.00 w 505.00 724.37 a 4719.87
1992 0.00 z 0.00 z 0.00 z 0.00 z 100.50 129.00 58.00 7.00 29.50 235.00 621.50 924.50 2105.00
1993 983.00 0.00 z 592.50 553.00 350.00 0.00 z 0.00 z 33.50 82.50 319.00 595.50 842.00 4351.00
1994 680.00 791.50 528.00 468.00 163.00 k 114.00 0.00 0.00 81.00 0.00 z 893.50 892.50 4448.50
1995 628.00 i 340.50 j 315.00 s 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 459.50 k 0.00
1996 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 91.50 7.50 7.50 152.50 405.00 601.50 797.98 b 2063.48
1997 873.50 689.50 626.64 c 521.00 187.50 161.00 22.00 40.00 98.79 a 447.00 648.50 867.00 5182.44
1998 910.50 0.00 z 0.00 z 653.00 636.00 182.50 5.00 17.00 146.00 452.50 794.00 924.50 4721.00
1999 825.50 827.00 802.00 645.50 352.50 167.50 45.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3665.50
2000 0.00 z 0.00 z 684.50 466.61 b 355.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1506.11
Period of Record Statistics
MEAN 849.83 711.12 705.07 518.69 325.84 128.55 21.96 34.87 108.86 324.32 625.38 830.13 5059.07
S.D. 123.68 98.05 107.79 138.58 114.00 61.76 24.47 33.63 62.38 116.84 114.99 128.14 482.64
SKEW 0.38 -0.14 -0.08 0.29 0.75 0.54 1.93 1.64 0.75 -0.25 -0.28 -0.41 0.21
MAX 1146.00 921.00 928.00 885.00 636.00 312.50 116.50 156.55 314.00 514.00 893.50 1057.50 6150.50
MIN 619.00 490.50 503.00 275.50 100.50 13.00 0.00 0.00 5.00 79.00 327.00 520.11 4235.00
NO YRS 40 37 38 38 43 40 44 44 44 42 45 42 25