DOUGLAS, ARIZONA

Monthly Total Heating Degree Days

(022659)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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 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
1953 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
1954 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
1955 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
1956 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
1957 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
1958 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
1959 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
1960 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
1961 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
1962 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
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 0.00 z 0.00 z 0.00 z 0.00 z 534.00 534.00
1965 454.50 468.50 367.50 125.50 47.00 1.50 0.00 0.00 14.50 91.50 216.00 538.00 2324.50
1966 695.50 578.00 292.50 92.50 5.50 0.00 0.00 0.00 0.00 78.00 249.00 573.00 2564.00
1967 563.00 370.00 180.00 148.00 56.00 0.00 0.00 0.00 1.00 100.50 336.50 694.50 2449.50
1968 616.50 384.50 403.50 248.00 42.00 2.50 0.00 0.00 0.50 111.00 445.00 717.50 2971.00
1969 531.00 520.00 518.00 149.50 74.40 a 0.00 0.00 0.00 a 0.00 97.00 388.00 559.60 b 2837.50
1970 654.00 404.00 398.50 247.00 35.50 0.00 a 0.00 b 0.00 f 17.50 155.00 344.00 505.30 a 2760.80
1971 599.00 466.67 a 288.50 171.50 23.50 0.00 0.00 0.00 2.00 150.00 375.00 589.50 2665.67
1972 572.00 440.00 170.50 a 129.50 17.50 1.00 0.00 0.00 0.00 121.00 495.50 592.00 2539.00
1973 688.50 499.00 472.00 267.50 38.00 0.00 0.00 0.00 0.00 69.00 343.50 602.50 2980.00
1974 555.33 b 525.50 245.00 148.97 a 12.00 0.00 e 0.00 0.00 4.50 142.00 439.00 719.50 2791.79
1975 673.00 511.00 418.50 294.00 69.23 a 0.00 c 0.00 0.00 a 2.00 98.00 392.00 608.00 3065.73
1976 636.50 371.50 341.00 172.00 13.43 a 0.00 0.00 0.00 0.00 211.00 443.00 689.00 2877.43
1977 644.00 431.00 439.00 159.00 37.50 0.00 0.00 0.00 0.00 102.50 358.50 509.00 2680.50
1978 591.50 530.00 279.50 144.50 42.00 0.00 0.00 a 0.00 a 0.00 a 122.50 396.21 a 745.50 2851.71
1979 710.00 467.50 399.00 137.00 58.00 1.50 0.00 0.00 4.66 a 68.00 515.50 612.50 2973.66
1980 560.50 423.50 430.00 201.50 48.50 0.00 0.00 0.00 0.00 a 211.50 456.21 a 499.50 2831.21
1981 555.50 384.74 a 377.50 98.50 2.00 0.00 0.00 0.00 0.00 66.28 b 304.50 481.53 a 2270.55
1982 523.00 377.50 213.00 j 57.00 i 29.00 0.00 0.00 0.00 0.00 100.00 353.00 621.50 2004.00
1983 617.00 446.50 400.50 297.50 72.50 0.00 0.00 0.00 2.50 84.50 403.50 515.50 2840.00
1984 573.50 497.50 303.00 166.50 6.00 0.00 0.00 0.00 0.00 142.50 388.00 534.50 2611.50
1985 606.50 489.00 298.50 112.00 22.50 0.00 0.00 0.00 8.00 28.00 383.50 588.00 2536.00
1986 513.00 340.00 225.50 75.00 22.50 0.00 0.00 0.00 14.50 112.50 374.50 631.00 2308.50
1987 654.00 490.50 432.50 120.00 28.00 0.00 0.00 0.00 0.00 10.00 389.50 614.00 2738.50
1988 593.00 424.50 327.50 152.00 33.50 0.00 0.00 0.00 0.50 20.50 359.50 632.00 2543.00
1989 631.50 340.00 202.00 38.00 24.50 0.00 0.00 0.00 0.00 92.00 350.00 593.50 2271.50
1990 624.50 481.50 296.50 76.50 17.00 0.00 0.00 0.00 0.00 99.50 322.00 627.00 2544.50
1991 586.00 375.50 382.50 152.50 18.00 4.00 0.00 0.00 5.50 100.00 434.50 637.50 2696.00
1992 723.50 469.50 380.50 145.00 24.00 0.00 0.00 0.00 0.00 81.00 550.00 635.00 3008.50
1993 545.00 486.00 370.50 183.00 16.00 4.50 0.00 0.00 0.00 95.50 333.00 188.50 m 2033.50
1994 574.00 415.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 989.50
1995 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
1996 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
1997 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
1998 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
1999 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
2000 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
2001 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 218.57 b 537.50 756.07
2002 480.00 374.50 237.50 19.50 3.00 0.00 0.00 0.00 0.00 65.00 244.00 531.50 1955.00
2003 360.50 334.50 285.50 88.50 1.50 0.00 0.00 0.00 0.00 10.50 237.50 479.50 1798.00
2004 459.50 464.60 e 130.00 53.00 m 4.50 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 507.00 1565.60
2005 0.00 z 364.50 0.00 z 59.00 i 4.00 0.00 z 0.00 0.00 h 0.00 47.00 0.00 z 424.50 840.00
2006 346.50 g 284.50 257.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 454.50 f 542.00
2007 480.00 h 378.00 245.70 d 68.50 5.50 f 0.00 0.00 0.00 0.00 0.00 z 103.00 i 595.50 1287.70
2008 526.00 0.00 z 0.00 z 84.00 12.50 0.00 0.00 z 0.00 0.00 37.50 239.00 451.00 1350.00
2009 456.65 e 333.50 0.00 z 103.50 0.50 0.00 z 0.00 0.00 g 0.00 z 0.00 z 17.00 z 70.00 z 894.15
2010 422.00 g 300.00 i 157.00 o 66.50 i 1.50 s 0.00 l 0.00 g 0.00 f 0.00 j 20.50 m 144.50 r 207.00 o 0.00
2011 318.50 l 254.00 n 122.00 k 28.50 j 11.00 j 0.00 l 0.00 h 0.00 f 0.00 h 13.00 k 206.00 k 260.50 q 0.00
2012 235.00 m 361.29 e 261.71 e 39.00 g 2.50 f 0.00 h 0.00 l 0.00 a 0.00 o 207.50 588.50 682.50 2101.50
2013 480.00 g 798.50 124.00 j 0.50 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 24.00 z 798.50
Period of Record Statistics
MEAN 581.36 438.53 325.23 145.95 27.47 0.44 0.00 0.00 2.28 97.89 372.53 584.03 2625.88
S.D. 80.10 89.83 92.78 67.76 21.09 1.12 0.00 0.00 4.61 51.17 90.62 77.86 313.00
SKEW -0.50 1.55 -0.09 0.57 0.69 2.65 0.00 0.00 2.24 0.49 0.22 0.10 -0.86
MAX 723.50 798.50 518.00 297.50 74.40 4.50 0.00 0.00 17.50 211.50 588.50 745.50 3065.73
MIN 360.50 284.50 130.00 19.50 0.50 0.00 0.00 0.00 0.00 10.00 216.00 424.50 1798.00
NO YRS 35 39 34 33 35 34 34 33 34 34 34 37 28