ANGWIN PAC UNION COL, CALIFORNIA

Monthly Total Heating Degree Days

(040212)

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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1949 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
1950 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
1951 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
1952 0.00 z 0.00 z 0.00 z 320.50 168.50 154.66 a 0.00 14.00 27.50 s 84.00 424.50 647.50 1813.66
1953 517.50 431.50 518.50 370.00 318.50 153.50 0.00 46.50 55.00 177.50 420.50 473.00 3482.00
1954 679.00 341.50 594.50 282.00 169.50 127.00 9.50 91.00 122.50 236.50 424.14 a 675.50 3752.64
1955 782.50 613.00 537.50 582.00 198.50 111.50 32.50 11.00 67.00 175.50 498.00 669.50 4278.50
1956 731.00 677.00 528.50 342.00 205.50 72.50 24.50 22.00 42.50 262.00 278.00 483.50 3669.00
1957 776.00 492.50 524.93 a 324.00 295.50 39.50 20.50 38.50 69.50 297.50 446.00 566.50 3890.93
1958 584.50 471.00 656.50 317.50 138.50 91.00 17.50 0.00 32.50 105.00 356.00 359.00 3129.00
1959 583.00 591.63 a 365.00 208.50 250.00 42.00 3.00 28.93 a 78.50 108.50 222.22 c 503.50 2984.79
1960 694.50 542.50 442.00 370.50 234.50 f 40.00 9.00 15.50 b 42.50 188.50 510.00 559.03 a 3414.03
1961 528.00 479.50 577.50 320.50 313.00 68.00 18.00 1.03 a 80.50 221.00 444.00 621.00 3672.03
1962 518.00 594.50 618.50 219.00 266.00 70.00 3.00 34.00 56.50 185.50 356.38 a 492.00 3413.38
1963 643.50 331.00 585.50 562.00 260.50 78.50 32.00 14.31 e 27.50 189.00 431.00 539.50 3694.31
1964 663.00 431.50 528.00 362.50 282.00 122.07 a 17.00 11.00 97.24 a 146.50 558.50 604.50 3823.81
1965 609.00 457.50 503.50 418.50 194.00 162.50 35.00 11.00 121.00 101.00 457.50 708.50 3779.00
1966 665.00 609.00 501.50 208.00 177.50 75.00 39.50 27.50 67.00 138.00 447.50 619.47 b 3574.97
1967 559.55 a 412.00 599.00 691.00 222.50 153.50 4.50 0.00 7.50 106.50 307.00 648.00 3711.05
1968 657.41 b 434.50 427.00 270.50 239.00 40.00 2.00 85.50 75.00 285.50 548.00 856.50 3920.91
1969 820.50 777.50 555.50 417.00 181.00 125.00 1.55 a 8.00 45.50 230.50 288.00 538.50 3988.55
1970 579.50 421.00 418.00 396.00 153.00 83.00 2.50 22.00 41.00 302.00 446.50 781.00 3645.50
1971 607.00 498.00 614.50 461.00 317.50 106.50 6.00 16.00 93.00 g 328.50 508.89 c 842.00 4305.89
1972 746.50 559.00 386.00 408.50 191.50 69.00 28.00 26.35 a 94.50 266.50 514.00 775.00 4064.85
1973 710.00 506.50 594.00 255.50 117.50 58.50 22.00 28.00 80.00 215.50 592.50 647.50 3827.50
1974 744.00 589.50 547.00 430.00 226.50 51.50 38.00 7.00 f 19.00 147.00 444.50 626.50 3863.50
1975 555.50 602.50 598.00 516.00 182.00 68.00 46.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2568.00
1976 523.50 588.50 567.50 413.50 99.00 99.50 0.00 52.00 65.50 113.00 221.50 0.00 z 2743.50
1977 568.00 374.50 544.50 0.00 z 371.00 57.50 7.50 12.50 121.80 e 163.50 384.50 548.50 3153.80
1978 572.00 496.00 384.50 437.50 142.00 62.00 21.00 25.00 55.00 106.50 0.00 z 668.50 2970.00
1979 703.00 586.00 494.00 379.00 176.50 41.00 25.00 19.00 23.50 50.50 p 499.00 548.00 3494.00
1980 625.00 490.50 572.00 354.00 290.00 170.00 41.50 54.00 70.00 198.50 354.00 363.00 j 3219.50
1981 514.08 a 461.50 512.00 301.50 134.00 18.50 1.50 13.00 49.00 253.50 416.00 583.50 3258.08
1982 732.00 485.50 614.00 432.50 149.32 a 133.00 37.50 11.50 88.50 232.50 562.50 666.00 4144.82
1983 562.00 503.00 563.50 482.50 205.50 39.00 29.50 18.50 43.00 91.50 569.50 655.50 3763.00
1984 498.50 568.00 386.00 379.50 111.00 51.00 15.00 4.00 15.50 311.00 590.00 759.00 3688.50
1985 655.00 443.00 633.00 244.50 222.00 37.50 13.00 34.00 173.00 0.00 z 590.50 584.57 c 3630.07
1986 516.50 465.00 371.00 354.00 186.00 68.79 a 30.50 13.50 0.00 z 210.00 370.50 648.50 3234.29
1987 728.50 503.50 516.50 179.00 163.00 52.50 63.55 a 36.50 0.00 z 0.00 z 309.00 g 0.00 z 2243.05
1988 0.00 z 0.00 z 323.00 310.00 245.50 124.50 7.00 28.50 42.50 117.50 473.50 561.50 2233.50
1989 592.00 621.50 490.50 247.50 206.50 75.00 7.00 34.00 94.50 208.00 305.56 c 470.50 3352.56
1990 596.50 575.00 447.00 231.50 231.50 70.50 6.00 16.00 23.00 83.00 364.50 705.00 3349.50
1991 541.00 317.00 616.50 375.00 270.50 115.00 12.50 41.00 12.00 137.50 320.50 521.00 3279.50
1992 567.50 411.50 430.00 232.00 73.50 88.00 12.00 5.00 12.00 123.50 366.00 662.50 2983.50
1993 684.50 558.00 362.00 344.00 225.00 93.00 7.00 24.00 54.50 129.50 396.50 595.00 3473.00
1994 493.42 a 555.00 356.50 290.50 195.50 69.50 11.00 8.00 34.50 181.50 635.00 707.00 3537.42
1995 593.50 388.00 528.50 359.50 267.00 130.00 21.00 19.00 33.00 107.50 257.00 539.00 3243.00
1996 583.50 455.50 390.00 293.00 194.00 53.50 1.50 18.50 33.50 206.00 385.00 541.00 3155.00
1997 610.50 436.00 346.50 270.50 86.50 44.50 2.00 13.50 16.50 149.50 389.00 572.00 2937.00
1998 0.00 z 565.50 443.00 376.50 376.00 107.50 8.50 7.00 74.50 186.50 508.00 644.50 3297.50
1999 551.00 563.50 606.50 342.50 216.50 106.50 52.00 33.00 21.00 96.00 376.00 478.00 3442.50
2000 591.00 485.23 a 368.00 255.50 193.00 59.00 39.00 13.50 49.50 228.00 519.00 487.00 3287.73
2001 626.00 547.00 335.00 377.00 39.50 43.00 28.50 11.00 29.00 122.50 397.50 619.50 3175.50
2002 665.00 420.00 469.50 338.00 195.50 30.00 8.00 31.00 45.00 180.50 311.00 597.00 3290.50
2003 442.00 471.50 414.50 508.00 191.50 63.00 0.50 9.50 21.50 54.50 517.50 629.00 3323.00
2004 634.00 543.00 204.00 0.00 z 164.50 56.00 16.00 9.00 37.00 238.00 438.00 557.50 2897.00
2005 0.00 z 439.50 360.50 363.50 191.00 106.50 0.00 4.50 74.50 173.00 367.00 527.50 2607.50
2006 582.50 418.50 662.50 381.50 142.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2187.50
Period of Record Statistics
MEAN 617.77 501.89 491.36 356.73 204.13 82.00 17.34 22.53 55.82 178.01 427.61 606.27 3540.18
S.D. 84.80 89.57 104.04 100.63 69.66 38.13 15.43 18.52 34.28 67.81 100.20 98.75 334.91
SKEW 0.37 0.34 -0.41 0.84 0.25 0.61 0.88 1.81 1.07 0.34 -0.03 0.34 0.14
MAX 820.50 777.50 662.50 691.00 376.00 170.00 63.55 91.00 173.00 328.50 635.00 856.50 4278.50
MIN 442.00 317.00 204.00 179.00 39.50 18.50 0.00 0.00 7.50 54.50 221.50 359.00 2937.00
NO YRS 51 53 54 53 54 54 54 52 49 50 51 50 37