WILLITS 1 NE, CALIFORNIA

Monthly Total Heating Degree Days

(049684)

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 588.00 454.50 417.50 358.50 39.50 26.00 73.00 113.00 301.00 560.00 647.00 3578.00
1961 602.00 518.50 592.50 372.50 375.00 103.50 38.50 21.00 114.50 279.00 528.00 671.50 4216.50
1962 644.50 566.50 581.50 318.50 351.50 127.50 40.50 41.00 89.50 236.50 442.50 555.50 3995.50
1963 682.00 337.50 585.00 520.50 256.50 152.00 101.50 76.00 76.00 222.00 462.00 608.50 4079.50
1964 686.50 549.00 601.00 460.50 371.50 197.00 60.50 35.00 144.00 180.50 522.00 615.50 4423.00
1965 582.00 499.00 501.00 390.50 304.50 173.50 39.50 20.50 150.50 152.00 441.50 715.50 3970.00
1966 646.00 585.00 489.00 279.50 214.50 170.00 81.50 47.50 96.50 232.50 433.50 595.00 3870.50
1967 635.50 451.00 607.50 636.00 253.00 129.00 27.50 7.50 28.00 219.50 357.00 737.00 4088.50
1968 691.50 377.00 a 467.00 389.50 302.00 107.00 31.50 67.00 50.50 267.50 474.44 c 746.50 3971.44
1969 702.00 629.50 514.00 429.50 150.00 96.00 13.50 26.50 55.50 301.50 436.00 547.00 3901.00
1970 563.00 431.50 472.00 510.50 207.00 97.50 6.50 28.00 87.50 304.00 409.50 681.00 3798.00
1971 612.50 522.00 558.50 463.00 301.50 158.00 49.50 31.00 123.00 342.00 510.00 773.50 4444.50
1972 714.50 518.00 364.00 425.00 198.50 91.00 30.00 53.00 147.50 247.00 507.50 804.00 4100.00
1973 717.00 488.00 579.00 339.00 190.00 91.50 29.50 52.50 59.50 241.50 520.00 555.00 3862.50
1974 662.00 563.00 473.50 417.50 290.50 92.50 60.00 27.00 30.00 225.50 515.50 631.50 3988.50
1975 656.50 551.50 548.00 539.50 222.00 114.00 46.00 41.00 23.00 303.00 544.00 587.00 4175.50
1976 649.50 556.00 563.00 494.00 244.50 162.00 46.00 78.53 a 11.50 q 0.00 z 0.00 z 0.00 z 2793.53
1977 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 17.50 t 73.00 n 228.50 h 504.23 d 586.79 c 1091.02
1978 536.50 453.00 377.00 459.00 267.50 157.50 51.67 a 64.50 124.14 a 164.50 562.00 741.00 3958.30
1979 680.00 585.50 466.00 422.00 199.00 122.00 56.00 79.00 25.56 c 202.00 465.00 593.00 3895.06
1980 583.00 428.50 517.50 361.00 329.50 224.00 52.50 43.00 86.50 215.00 443.50 562.50 3846.50
1981 539.50 426.00 471.00 396.50 281.00 75.50 39.50 48.50 94.50 310.00 380.00 513.00 3575.00
1982 733.00 477.00 554.00 437.50 243.50 118.00 37.00 45.00 117.50 248.50 520.00 639.50 4170.50
1983 599.00 469.50 508.50 488.00 228.50 125.00 87.00 32.50 72.00 186.50 505.00 605.50 3907.00
1984 533.50 549.00 455.50 466.00 264.00 189.50 31.00 44.50 83.00 355.50 524.50 711.00 4207.00
1985 669.00 520.50 638.00 299.50 357.00 79.50 14.47 a 93.52 a 175.00 321.00 641.00 642.45 b 4450.93
1986 519.00 435.50 392.50 413.50 297.50 104.00 40.00 7.50 224.00 250.50 513.00 618.00 3815.00
1987 695.00 516.00 537.00 316.00 194.00 76.00 112.50 44.43 a 0.00 z 183.50 503.00 720.00 3897.43
1988 662.00 466.50 0.00 z 0.00 z 380.00 0.00 z 38.50 0.00 z 136.50 190.50 0.00 z 705.50 2579.50
1989 709.00 671.00 0.00 z 299.50 308.00 137.50 92.50 68.00 129.50 322.50 472.50 653.00 3863.00
1990 0.00 z 668.00 498.50 326.25 b 341.50 144.00 48.00 61.50 121.00 292.50 563.00 883.50 b 3947.75
1991 690.00 440.00 654.00 494.00 365.00 208.50 2.00 o 68.50 40.00 189.50 457.00 695.50 4302.00
1992 665.00 432.50 429.50 326.50 132.00 120.50 55.50 61.50 129.00 245.50 531.50 735.50 3864.50
1993 710.50 570.50 372.50 423.00 267.00 163.00 70.50 54.50 82.50 223.50 554.50 713.50 4205.50
1994 615.50 613.50 466.00 433.50 310.50 193.00 11.50 101.00 134.00 363.00 694.50 733.00 4669.00
1995 558.00 386.40 c 538.50 453.50 310.00 189.00 48.00 78.00 73.00 255.00 341.50 530.50 3761.40
1996 615.00 438.50 434.50 364.00 286.00 136.50 26.00 46.00 117.00 326.00 481.00 608.50 3879.00
1997 622.00 534.00 493.00 428.50 213.00 190.50 33.00 62.00 103.50 349.50 423.00 718.00 4170.00
1998 636.50 0.00 z 558.00 502.50 459.50 118.00 28.00 25.50 112.00 386.00 523.00 761.00 4110.00
1999 670.00 648.50 656.00 496.00 377.00 216.00 131.00 78.00 40.50 242.00 432.93 a 674.50 4662.43
2000 652.00 550.00 569.50 417.00 332.00 127.00 97.50 87.50 150.00 343.50 617.50 681.48 a 4624.98
2001 808.07 a 661.50 529.00 589.00 204.00 209.50 0.00 z 111.00 125.50 269.00 504.00 0.00 z 4010.57
2002 778.50 532.50 654.50 468.00 419.50 234.00 80.50 0.00 z 181.00 423.50 545.00 705.00 5022.00
2003 603.00 645.00 611.50 0.00 z 418.00 221.50 0.00 z 142.50 191.00 0.00 z 672.00 746.50 4251.00
2004 769.50 656.00 491.00 0.00 z 402.50 0.00 z 78.00 0.00 z 224.50 409.50 605.50 720.00 4356.50
2005 745.50 555.50 543.50 559.00 374.50 298.00 39.00 45.00 247.00 392.50 0.00 z 694.50 4494.00
2006 704.00 583.00 743.50 490.50 286.00 126.67 c 26.50 u 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2933.67
Period of Record Statistics
MEAN 653.38 525.43 525.25 430.99 292.14 145.58 50.65 55.21 109.96 272.45 503.33 667.35 4079.60
S.D. 67.47 83.58 82.51 80.41 76.09 52.48 28.32 27.85 54.21 69.40 75.31 79.62 274.56
SKEW -0.02 -0.09 0.18 0.18 0.03 0.55 0.92 0.75 0.50 0.34 0.30 0.14 0.70
MAX 808.07 671.00 743.50 636.00 459.50 298.00 131.00 142.50 247.00 423.50 694.50 883.50 4669.00
MIN 519.00 337.50 364.00 279.50 132.00 39.50 6.50 7.50 23.00 152.00 341.50 513.00 3575.00
NO YRS 44 45 44 43 46 44 42 42 43 43 43 44 32