COLFAX, CALIFORNIA

Monthly Total Heating Degree Days

(041912)

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 6.00 6.00 76.50 157.50 437.00 800.00 1483.00
1949 904.00 735.28 c 622.50 183.50 161.50 10.50 0.00 0.50 7.00 205.50 186.50 659.50 3676.28
1950 873.00 469.00 d 530.50 261.50 152.50 74.00 0.00 0.00 36.00 169.98 a 270.00 472.50 3308.98
1951 697.50 554.50 492.00 269.00 171.00 19.50 3.50 10.00 6.00 202.00 424.50 712.50 3562.00
1952 821.50 590.50 614.00 269.50 105.50 99.00 0.00 0.00 32.00 33.50 457.00 662.00 3684.50
1953 499.00 454.50 538.00 381.00 380.50 155.50 0.00 14.00 4.50 161.00 368.00 497.00 3453.00
1954 660.00 357.50 583.50 227.00 66.50 89.00 0.00 16.00 28.00 145.50 343.50 628.00 3144.50
1955 765.50 559.00 459.00 504.00 165.00 36.00 9.50 0.00 a 23.50 93.50 443.00 591.58 a 3649.58
1956 600.00 f 710.00 535.50 0.00 z 215.50 29.50 2.00 1.50 4.50 227.00 269.00 499.00 2493.50
1957 759.50 444.50 467.00 304.00 222.00 9.50 0.00 c 3.50 g 23.00 257.50 481.00 534.50 3502.50
1958 591.00 455.50 637.50 327.00 57.00 33.00 e 0.00 a 0.00 19.00 63.50 349.00 308.50 2841.00
1959 537.00 565.00 300.91 b 76.00 186.50 5.00 0.00 13.29 c 52.00 55.00 245.50 506.50 2542.70
1960 735.00 563.50 413.50 301.50 183.50 2.00 0.00 a 1.03 a 1.50 122.00 465.00 552.50 3341.03
1961 473.50 439.50 521.00 267.00 241.50 20.50 1.55 a 0.00 25.71 b 212.50 428.50 636.50 3267.76
1962 544.50 592.50 610.00 167.50 199.00 18.50 0.00 a 0.00 a 8.50 184.45 a 368.00 482.57 a 3175.52
1963 644.00 314.50 561.50 529.50 168.43 a 46.55 a 1.00 4.28 b 13.97 a 158.00 444.50 521.00 3407.23
1964 682.00 490.50 543.53 a 338.50 230.00 84.00 7.50 6.00 28.50 77.50 a 588.00 690.50 3766.53
1965 593.77 e 482.16 c 487.73 a 422.59 a 153.93 b 61.00 0.00 0.00 65.50 64.50 458.50 711.00 3500.68
1966 704.00 613.00 341.00 f 165.00 81.12 a 51.50 3.50 7.48 b 13.97 a 129.17 a 440.00 623.00 2831.73
1967 598.50 419.50 582.59 b 688.45 a 154.50 85.34 a 0.00 b 0.00 b 0.00 76.00 310.00 760.10 e 3674.98
1968 661.50 429.30 a 401.40 b 202.00 148.00 22.50 b 0.00 23.50 10.34 a 186.00 a 454.14 a 734.04 c 3272.72
1969 0.00 z 662.26 e 360.00 j 222.50 j 46.50 k 22.00 j 0.00 i 0.00 m 0.00 i 149.50 i 207.50 l 428.50 i 662.26
1970 394.00 j 296.50 h 299.00 k 294.50 h 87.50 j 40.50 h 0.00 j 0.00 l 43.85 d 180.50 416.00 758.98 a 1399.33
1971 614.00 460.00 515.52 d 342.41 a 239.50 36.00 0.00 d 0.00 a 88.00 191.50 g 336.00 k 821.50 3116.93
1972 669.82 c 468.00 260.00 0.00 z 48.50 n 13.50 0.00 e 10.00 71.00 260.52 e 470.50 841.00 3064.34
1973 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.50 t 19.00 173.50 589.00 611.00 1392.50
1974 692.50 541.50 498.50 378.50 125.50 8.00 17.00 0.00 0.00 106.00 418.50 656.00 3442.00
1975 577.00 581.50 608.50 549.50 146.00 26.00 4.00 6.00 0.00 279.50 496.00 557.50 3831.50
1976 575.50 537.00 540.50 445.50 73.00 79.50 1.00 41.00 28.50 106.00 276.50 523.50 3227.50
1977 630.50 402.00 598.50 191.50 353.00 23.50 0.00 a 1.00 66.00 112.50 403.50 526.50 3308.50
1978 570.50 508.50 346.50 428.00 131.00 16.00 6.50 14.00 63.50 70.50 507.00 723.00 3385.00
1979 708.50 591.50 476.00 366.50 123.00 23.50 2.50 8.00 5.00 184.00 466.50 484.38 c 3439.38
1980 555.00 447.00 528.50 308.00 227.00 102.00 5.50 0.00 17.50 161.50 366.00 452.00 3170.00
1981 494.00 450.50 513.50 272.00 131.50 12.50 0.00 0.00 26.50 281.50 396.00 544.00 3122.00
1982 723.50 467.50 605.00 404.00 109.00 78.50 12.50 0.00 90.50 249.50 569.00 669.00 3978.00
1983 541.50 520.00 571.00 501.50 219.00 22.00 19.50 0.00 13.50 115.50 546.50 639.00 3709.00
1984 528.50 553.50 379.00 381.00 108.00 40.50 0.00 2.00 3.50 305.00 561.50 727.00 3589.50
1985 654.00 466.50 612.50 198.50 149.00 31.00 0.00 0.50 101.50 203.50 584.50 546.50 3548.00
1986 457.00 451.50 342.50 347.00 182.50 11.00 0.00 0.00 176.50 121.00 339.50 576.50 3005.00
1987 673.00 490.50 488.50 142.00 116.50 8.00 10.50 0.00 6.00 70.50 463.50 717.00 3186.00
1988 626.50 386.50 398.50 307.00 228.50 82.00 0.00 2.50 14.00 39.50 480.00 642.00 3207.00
1989 641.50 596.00 466.50 191.50 137.00 21.50 0.00 4.50 67.00 203.50 346.50 489.00 3164.50
1990 634.00 602.00 409.50 187.00 167.40 a 21.00 0.00 10.00 11.50 83.00 415.50 744.00 3284.90
1991 589.00 306.00 679.50 0.00 z 256.00 44.50 0.00 2.50 3.00 148.00 370.50 569.00 2968.00
1992 580.00 447.50 431.00 198.50 20.00 47.00 3.00 0.00 1.00 105.50 414.00 716.50 2964.00
1993 692.00 563.50 345.00 352.50 140.50 80.50 0.50 2.50 27.50 112.00 469.00 631.50 3417.00
1994 330.00 k 583.00 389.00 302.00 175.50 31.00 0.00 0.00 20.50 181.50 657.50 684.50 3024.50
1995 616.50 368.00 561.00 369.50 231.50 108.00 6.50 3.50 16.00 70.50 0.00 z 566.00 2917.00
1996 585.00 453.50 423.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 36.00 264.00 447.50 589.50 2798.50
1997 0.00 z 499.00 389.00 313.00 81.50 38.50 5.00 0.00 19.50 264.50 449.00 677.00 2736.00
1998 643.00 629.00 510.00 445.00 428.50 94.50 1.00 0.00 78.00 263.50 576.00 728.50 4397.00
1999 627.00 604.00 611.00 417.00 237.00 93.00 8.00 12.00 11.50 105.50 437.50 613.00 3776.50
2000 666.00 570.00 497.50 305.00 223.00 34.50 13.00 1.50 65.00 282.00 612.50 579.00 3849.00
2001 709.50 640.50 339.50 414.50 21.00 12.50 0.00 0.00 3.00 98.17 a 399.50 699.50 3337.67
2002 744.00 446.00 513.50 306.50 164.50 2.50 0.00 0.00 30.50 201.00 356.50 678.50 3443.50
2003 445.00 532.00 440.00 530.00 186.50 4.00 0.00 0.50 0.00 47.00 557.00 682.50 3424.50
2004 682.00 624.00 214.00 226.00 94.00 12.50 0.00 0.00 29.50 253.00 523.00 687.00 3345.00
2005 665.00 491.00 484.50 378.00 0.00 z 71.50 0.00 0.00 28.50 147.00 380.50 638.50 3284.50
2006 681.00 526.00 828.73 a 468.50 168.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2672.23
Period of Record Statistics
MEAN 639.17 512.62 494.76 330.43 169.95 43.07 2.79 4.26 30.92 157.71 436.23 624.08 3414.44
S.D. 95.52 91.31 111.78 122.01 78.91 34.96 4.63 7.40 33.07 73.92 97.92 104.08 322.14
SKEW 0.35 0.05 -0.03 0.43 0.91 0.98 1.92 2.87 1.95 0.21 -0.09 -0.32 0.25
MAX 904.00 735.28 828.73 688.45 428.50 155.50 19.50 41.00 176.50 305.00 657.50 841.00 4397.00
MIN 445.00 306.00 214.00 76.00 20.00 2.00 0.00 0.00 0.00 33.50 186.50 308.50 2542.70
NO YRS 52 56 54 51 52 53 54 53 57 56 55 57 43