CHILDS, ARIZONA

Monthly Total Heating Degree Days

(021614)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 200505
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
1915 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 11.00 g 28.50 l 316.00 524.33 b 840.33
1916 458.50 g 235.50 112.67 e 58.50 g 11.00 0.00 0.00 0.00 0.00 i 0.00 z 0.00 z 748.00 1107.17
1917 654.00 463.00 395.00 182.50 69.50 1.00 0.00 0.00 6.50 150.50 n 133.00 389.00 2293.50
1918 598.50 466.00 479.00 0.00 z 0.00 z 0.00 z 0.00 u 2.50 0.00 8.00 m 269.50 p 245.00 u 1546.00
1919 598.00 597.00 431.50 75.50 0.00 z 0.00 10.50 0.00 p 0.00 f 92.50 f 0.00 z 507.50 2220.00
1920 471.00 336.50 350.00 242.00 29.50 0.00 0.00 a 0.00 0.00 z 0.00 z 309.00 572.00 2310.00
1921 527.00 319.00 136.00 117.00 33.00 0.00 0.00 e 0.00 r 3.50 p 0.00 c 210.50 i 481.00 1613.00
1922 653.50 406.00 315.50 148.50 4.50 0.00 0.00 0.00 z 0.00 n 58.50 380.50 484.00 2451.00
1923 461.50 405.00 359.00 173.65 d 1.00 1.50 0.00 0.00 19.50 158.00 0.00 z 696.00 2275.15
1924 0.00 z 0.00 z 0.00 z 19.00 y 23.00 0.00 0.00 0.00 0.00 z 0.00 z 63.00 y 656.00 679.00
1925 630.50 332.89 a 223.00 118.00 0.00 1.00 0.00 a 0.00 0.00 105.50 361.00 563.50 2335.39
1926 646.50 347.50 248.00 149.00 32.50 0.00 0.00 0.00 2.50 11.50 242.00 601.50 2281.00
1927 446.50 374.00 350.50 186.00 28.00 q 2.00 0.00 0.00 0.00 45.00 193.00 647.50 2244.50
1928 536.50 457.50 244.00 151.55 a 6.00 0.00 0.00 0.00 0.00 28.00 331.00 598.50 2353.05
1929 686.50 551.00 377.50 174.50 6.50 0.00 0.00 0.00 b 0.00 a 57.00 419.00 471.50 2743.50
1930 659.50 323.50 365.50 77.50 111.00 2.50 0.00 0.00 k 0.00 68.50 347.00 586.50 2541.50
1931 586.50 418.00 280.50 58.50 3.50 0.00 0.00 h 0.00 0.50 71.00 504.50 763.00 2686.00
1932 807.00 480.05 a 353.50 170.00 39.50 13.00 0.00 0.00 j 0.00 136.00 316.00 769.50 3084.55
1933 765.70 a 661.50 350.00 282.00 145.50 0.50 0.00 0.00 0.00 28.50 305.50 585.00 3124.20
1934 579.50 374.50 136.50 71.00 21.00 3.50 0.00 0.00 6.00 27.50 300.00 479.00 1998.50
1935 555.50 412.00 439.00 101.00 76.47 a 0.00 0.00 0.00 4.50 113.00 409.00 581.00 2691.47
1936 629.00 516.82 a 311.50 112.00 13.50 0.00 0.00 0.00 7.50 133.00 393.00 627.00 2743.32
1937 1050.90 a 549.50 432.50 182.50 31.00 0.00 a 0.00 0.00 0.00 b 4.00 z 325.00 555.50 3126.90
1938 555.50 490.50 459.50 167.59 a 58.50 0.00 0.00 0.00 0.00 90.00 464.48 a 546.00 2832.07
1939 670.00 720.00 377.50 120.50 7.00 0.00 0.00 0.00 4.50 100.50 318.50 514.00 2832.50
1940 597.50 512.50 303.50 140.17 a 3.00 0.00 0.00 0.50 0.00 j 32.50 0.00 z 422.50 2012.17
1941 525.50 320.50 327.00 251.50 38.00 0.00 0.00 0.00 a 10.00 144.50 228.00 525.00 2370.00
1942 403.50 h 521.00 358.00 171.50 28.00 0.00 0.00 i 0.00 0.00 a 59.00 167.00 442.00 1746.50
1943 521.50 327.60 c 152.50 f 108.50 4.00 0.00 0.00 0.00 0.00 66.00 266.50 518.50 1812.60
1944 596.50 529.00 446.52 e 193.00 j 20.50 0.50 0.00 0.00 0.00 18.00 399.00 535.50 2545.52
1945 601.50 435.00 487.00 218.00 6.00 0.00 0.00 0.00 1.00 15.00 336.00 658.50 2758.00
1946 633.50 451.00 337.00 55.50 2.00 0.00 0.00 b 0.00 0.00 41.00 396.00 360.00 2276.00
1947 522.87 a 273.00 287.50 98.50 11.50 0.00 0.00 0.00 0.00 3.00 m 415.38 d 275.50 o 1608.75
1948 527.00 514.00 464.50 75.50 9.50 0.00 0.00 0.00 b 0.00 19.78 b 399.31 a 584.19 b 2593.78
1949 880.50 604.00 393.00 92.00 18.50 0.00 0.00 0.00 0.00 188.00 210.00 623.50 3009.50
1950 672.00 348.50 296.00 40.50 17.00 0.00 a 0.00 0.00 0.00 0.00 b 189.00 343.58 a 1906.58
1951 235.50 n 428.00 302.50 113.50 64.50 0.00 0.00 2.50 0.00 50.50 360.00 621.50 1943.00
1952 634.98 a 479.00 554.00 148.00 9.50 0.00 0.00 0.00 a 0.00 0.00 408.00 612.00 2845.48
1953 469.50 419.50 302.00 140.00 87.00 0.00 0.00 0.00 0.00 56.50 240.00 576.50 2291.00
1954 580.50 220.00 369.50 43.50 11.50 0.00 0.00 0.00 0.00 44.00 194.00 571.00 2034.00
1955 736.00 590.00 357.00 190.00 46.50 a 14.00 0.00 0.00 0.00 4.50 283.00 479.00 2700.00
1956 466.00 561.50 230.50 135.00 2.50 0.00 0.00 0.00 0.00 77.00 334.66 a 517.50 2324.66
1957 541.00 234.50 276.00 143.50 63.50 1.00 0.00 0.00 0.00 87.00 421.00 505.00 2272.50
1958 533.72 a 338.59 a 472.23 a 179.50 3.00 0.00 a 0.00 0.00 2.50 38.50 313.00 410.50 2291.54
1959 485.50 448.00 223.00 43.00 29.50 0.00 0.00 0.00 0.00 a 65.00 265.00 489.00 2048.00
1960 697.00 529.00 196.00 93.00 16.50 0.00 0.00 0.00 0.00 72.00 280.00 552.50 2436.00
1961 462.00 318.50 315.50 80.00 8.00 0.00 0.00 0.00 0.00 78.00 347.00 582.00 2191.00
1962 574.00 383.50 470.00 35.00 27.50 2.00 0.00 0.00 0.00 17.50 187.50 444.50 2141.50
1963 643.50 257.00 311.50 162.00 3.00 0.00 a 0.00 0.00 0.00 8.00 252.50 536.00 2173.50
1964 622.00 526.50 401.00 173.50 58.00 0.00 0.00 a 0.00 0.00 0.50 406.00 566.50 2754.00
1965 535.00 412.50 394.00 218.00 71.50 1.50 0.00 0.00 8.79 a 29.50 188.50 480.50 2339.79
1966 17.50 z 333.00 j 255.50 59.00 5.00 0.00 0.00 0.00 0.00 a 43.50 274.00 573.50 1210.50
1967 593.50 380.50 245.50 286.00 58.50 0.50 0.00 0.00 a 0.00 13.00 244.50 768.00 2590.00
1968 653.50 312.50 299.50 158.00 10.50 0.00 0.00 0.00 0.00 51.00 348.00 676.50 2509.50
1969 454.00 495.50 432.00 80.00 42.50 0.00 0.00 0.00 0.00 159.00 389.50 557.50 2610.00
1970 687.50 399.78 a 429.00 271.55 a 23.00 0.00 0.00 b 0.00 b 14.48 a 191.50 350.50 639.00 3006.31
1971 596.00 468.00 335.00 180.52 a 75.50 12.50 0.00 0.00 a 6.50 272.00 487.00 705.50 3138.52
1972 621.50 397.50 105.00 82.76 a 6.00 0.00 0.00 0.00 b 0.00 138.00 507.93 a 665.00 2523.69
1973 708.50 498.50 602.00 243.62 a 34.50 1.50 0.00 0.00 0.00 27.50 386.50 516.00 3018.62
1974 625.50 457.00 315.00 120.00 10.00 0.00 0.00 0.00 0.50 64.50 313.39 b 691.00 2596.89
1975 635.00 510.00 416.50 347.00 64.00 0.00 0.00 0.00 0.00 70.00 366.21 a 595.00 3003.71
1976 551.00 402.00 396.00 245.17 a 34.00 0.00 0.00 a 0.00 a 18.50 113.00 328.50 506.50 2594.67
1977 622.00 368.50 416.50 147.50 77.00 0.00 0.00 m 0.00 0.00 e 22.00 260.50 455.00 2369.00
1978 576.08 a 456.50 306.50 144.00 g 40.00 0.00 a 0.00 0.00 0.00 52.00 338.50 698.00 2467.58
1979 734.50 542.00 394.00 148.50 56.50 0.00 0.00 0.00 0.00 37.00 376.00 485.00 2773.50
1980 521.00 355.50 360.00 148.50 82.00 0.00 0.00 0.00 0.00 120.00 194.50 362.00 2143.50
1981 412.50 324.00 347.50 82.00 13.00 0.00 0.00 0.00 0.50 77.50 248.50 505.00 2010.50
1982 590.50 395.00 385.50 141.50 29.00 0.00 0.00 0.00 10.50 71.00 337.00 622.50 2582.50
1983 539.50 431.00 382.00 298.00 44.50 0.00 0.00 0.00 4.00 29.50 341.00 561.00 2630.50
1984 512.00 436.50 255.50 176.00 14.50 0.00 0.00 0.00 0.00 147.50 327.50 622.50 2492.00
1985 602.00 492.00 382.50 93.50 17.50 0.00 0.00 0.00 11.50 32.00 381.50 530.50 2543.00
1986 462.00 0.00 z 235.50 110.00 40.50 0.00 0.00 0.00 26.00 88.87 a 307.00 588.00 1857.87
1987 673.00 458.00 377.00 78.50 18.50 0.00 0.00 0.00 0.00 10.50 320.50 661.00 2597.00
1988 570.00 334.50 288.00 135.00 62.00 1.00 0.00 0.00 1.50 8.50 275.50 530.50 2206.50
1989 566.50 349.00 164.50 25.00 16.50 0.00 0.00 0.00 0.00 50.00 133.50 447.00 1752.00
1990 523.00 407.00 256.00 71.00 22.50 0.00 0.00 0.00 0.00 5.00 204.50 633.50 2122.50
1991 513.50 191.50 438.00 141.00 34.00 5.50 0.00 0.00 0.00 94.50 387.50 594.50 2400.00
1992 630.50 375.00 357.50 107.50 12.50 0.00 0.00 0.50 0.00 33.00 469.50 670.00 2656.00
1993 535.50 464.00 282.00 115.50 11.50 11.00 0.00 0.00 0.00 94.00 449.50 623.50 2586.50
1994 570.00 514.00 295.50 158.00 43.50 0.00 0.00 0.00 0.00 87.00 456.00 537.50 2661.50
1995 607.00 308.50 325.50 232.00 62.50 6.50 0.00 0.00 0.00 39.00 208.00 540.50 2329.50
1996 579.50 293.50 288.50 87.00 9.00 0.00 0.00 0.00 0.00 162.50 320.00 543.00 2283.00
1997 587.50 452.50 211.00 191.50 1.00 2.00 0.00 0.00 0.00 150.50 324.50 665.00 2585.50
1998 546.00 537.50 401.50 315.50 64.50 0.00 0.00 0.00 0.00 65.50 340.00 557.00 2827.50
1999 511.00 359.00 266.50 249.83 a 41.50 7.00 0.00 0.00 0.00 41.50 213.50 568.00 2257.83
2000 499.00 338.00 317.00 65.50 4.00 0.00 0.00 0.00 0.00 117.00 533.50 527.00 2401.00
2001 614.00 472.00 321.50 173.50 9.50 0.00 0.00 0.00 0.00 11.00 241.50 664.50 2507.50
2002 577.50 393.00 332.50 56.50 20.50 0.00 0.00 0.00 0.00 104.00 304.00 638.00 2426.00
2003 386.50 415.00 344.00 198.50 49.00 0.00 0.00 0.00 0.00 14.50 411.00 595.50 2414.00
2004 560.50 553.00 150.50 165.00 5.50 0.00 0.00 0.00 4.50 100.50 419.00 591.50 2550.00
2005 539.50 410.00 355.00 164.00 36.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1505.00
Period of Record Statistics
MEAN 589.60 424.90 334.90 145.40 30.87 1.04 0.12 0.07 2.10 67.32 324.98 566.08 2492.66
S.D. 98.96 99.92 93.56 69.51 27.92 2.86 1.14 0.39 4.89 53.47 89.09 90.55 302.93
SKEW 1.43 0.17 -0.12 0.62 1.36 3.36 9.06 5.92 2.90 1.12 0.00 -0.06 0.01
MAX 1050.90 720.00 602.00 347.00 145.50 14.00 10.50 2.50 26.00 272.00 533.50 769.50 3138.52
MIN 386.50 191.50 105.00 25.00 0.00 0.00 0.00 0.00 0.00 0.00 133.00 343.58 1752.00
NO YRS 85 87 88 85 87 88 85 84 82 81 83 88 65