TEMPE A S U, ARIZONA

Monthly Total Heating Degree Days

(028499)

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
1953 375.50 341.50 182.00 83.50 46.50 0.00 0.00 0.00 0.00 42.00 178.00 520.50 1769.50
1954 423.50 145.50 230.00 15.00 7.00 0.00 0.00 0.00 0.00 37.00 110.00 405.50 1373.50
1955 550.50 431.00 210.50 88.50 23.50 1.00 0.00 0.00 0.00 4.50 209.50 318.00 1837.00
1956 306.50 449.00 172.00 75.50 0.50 0.00 0.00 0.00 0.00 49.50 262.24 a 399.50 1714.74
1957 389.50 170.00 158.50 75.50 13.50 0.00 0.00 0.00 0.00 27.50 309.50 362.70 a 1506.70
1958 423.00 240.50 302.00 93.00 0.00 0.00 0.00 0.00 0.00 13.50 185.00 306.50 1563.50
1959 390.50 372.50 166.00 4.50 15.00 0.00 0.00 b 0.00 0.00 34.50 180.50 394.50 1558.00
1960 545.50 452.50 117.00 43.50 3.00 0.00 0.00 0.00 0.00 29.00 191.50 443.00 1825.00
1961 350.00 278.00 189.00 40.00 5.50 0.00 0.00 0.00 0.00 60.50 313.27 d 445.00 1681.27
1962 465.50 291.50 329.50 8.50 13.50 0.00 0.00 0.00 0.00 5.50 118.50 318.50 1551.00
1963 520.50 186.00 215.50 109.50 0.50 0.00 0.00 0.00 0.00 2.00 176.50 422.50 1633.00
1964 546.50 464.00 300.50 88.45 a 31.00 0.00 0.00 0.00 0.00 0.50 323.00 422.00 2175.95
1965 400.00 353.00 274.00 132.50 28.00 0.00 0.00 0.00 2.00 11.00 145.00 394.00 1739.50
1966 522.50 429.50 146.00 21.50 0.00 z 0.00 0.00 0.00 0.00 10.50 144.50 409.50 1684.00
1967 472.50 277.50 132.00 122.00 21.00 0.00 0.00 0.00 0.00 12.50 84.50 539.50 1661.50
1968 424.00 189.00 186.52 a 62.00 1.50 0.00 a 0.00 0.00 a 0.00 9.50 216.50 504.27 a 1593.28
1969 337.50 351.50 303.50 25.50 16.00 0.00 0.00 0.00 0.00 45.00 171.00 378.50 1628.50
1970 484.50 224.00 226.41 c 129.00 4.00 0.00 0.00 0.00 0.00 57.50 194.00 458.00 1777.41
1971 462.50 318.50 190.00 77.00 7.00 0.00 0.00 0.00 0.00 109.50 240.50 518.50 1923.50
1972 497.00 256.00 45.50 35.50 0.00 0.00 0.00 0.00 0.00 64.00 329.50 503.00 1730.50
1973 529.50 303.50 341.50 91.50 15.00 0.00 0.00 0.00 0.00 15.50 230.50 401.50 1928.50
1974 428.50 339.50 146.00 39.50 6.50 0.00 a 0.00 0.00 0.00 31.00 188.00 522.00 1701.00
1975 457.50 353.00 249.00 153.00 21.00 0.00 0.00 0.00 0.00 38.50 219.00 391.50 1882.50
1976 407.50 209.00 213.00 77.50 0.00 0.00 0.00 0.00 0.00 43.50 175.50 419.00 1545.00
1977 449.50 236.00 266.50 53.00 15.50 0.00 0.00 0.00 0.00 1.50 146.00 318.00 1486.00
1978 410.00 298.00 132.50 54.00 6.50 0.00 0.00 0.00 0.00 11.00 225.50 511.00 1648.50
1979 556.00 336.50 225.00 60.00 10.00 0.00 0.00 0.00 a 0.00 a 20.50 277.50 384.50 1870.00
1980 374.00 249.50 240.50 81.00 17.00 0.00 0.00 0.00 0.00 a 57.00 186.50 257.50 1463.00
1981 323.00 250.50 186.50 15.00 0.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 775.50
1982 0.00 z 0.00 z 132.02 b 12.50 0.00 0.00 0.00 0.00 0.00 5.00 131.50 351.00 632.02
1983 279.50 207.50 145.50 74.50 3.00 0.00 0.00 0.00 0.00 0.00 159.00 275.50 1144.50
1984 287.00 198.00 37.00 32.50 0.00 0.00 a 0.00 0.00 0.00 17.00 145.00 350.50 1067.00
1985 346.00 232.50 108.00 7.50 0.00 0.00 0.00 0.00 0.00 0.50 169.50 297.00 1161.00
1986 133.00 177.50 82.50 6.50 0.00 0.00 0.00 0.00 0.50 1.00 66.50 284.50 752.00
1987 322.50 193.00 122.00 4.50 0.00 0.00 0.00 0.00 0.00 0.00 131.00 394.50 1167.50
1988 328.00 128.00 84.50 32.00 2.50 0.00 0.00 0.00 0.00 0.00 135.50 317.00 1027.50
1989 329.00 154.50 40.50 0.00 0.00 0.00 0.00 0.00 0.00 7.00 48.00 292.00 871.00
1990 313.00 261.00 88.00 3.00 0.00 0.00 0.00 0.00 0.00 0.00 81.50 375.50 1122.00
1991 306.50 54.50 217.50 14.50 0.00 0.00 0.00 0.00 0.00 38.00 132.00 272.00 1035.00
1992 307.50 125.50 85.00 8.50 0.00 0.00 0.00 0.00 0.00 0.00 220.00 418.00 1164.50
1993 276.50 250.50 85.50 6.50 0.00 0.00 0.00 0.00 0.00 12.50 264.00 437.50 1333.00
1994 425.50 324.00 113.50 61.50 0.00 0.00 0.00 0.00 0.00 19.00 211.00 305.50 1460.00
1995 324.50 69.50 59.50 47.00 7.50 0.00 0.00 0.00 0.00 0.00 22.50 240.50 771.00
1996 255.50 110.50 63.50 0.00 0.00 0.00 0.00 0.00 0.00 53.50 41.00 f 247.00 730.00
1997 264.00 183.50 38.00 34.50 0.00 0.00 0.00 0.00 n 0.00 12.00 43.00 i 160.00 p 532.00
1998 262.50 285.50 137.50 84.50 1.50 0.00 z 0.00 0.00 0.00 3.50 72.00 311.50 1158.50
1999 247.48 a 131.25 d 72.00 i 45.00 j 4.98 c 0.00 b 0.00 0.00 0.00 a 0.00 b 46.50 f 274.50 658.22
2000 190.77 e 94.00 f 99.89 d 10.00 f 0.00 h 0.00 a 0.00 0.00 0.00 0.00 o 260.17 a 236.12 a 786.95
2001 287.02 b 214.15 a 40.50 g 53.28 a 0.00 0.00 a 0.00 a 0.00 b 0.00 a 0.00 g 82.50 b 329.00 f 636.94
2002 319.00 144.50 111.00 0.50 0.00 0.00 0.00 0.00 0.00 3.50 14.00 j 313.50 892.00
2003 105.00 196.00 106.00 27.50 0.00 0.00 0.00 0.00 0.00 0.00 133.50 270.00 838.00
2004 241.00 275.00 49.50 4.50 0.00 0.00 0.00 0.00 0.00 17.50 147.00 263.50 998.00
2005 210.50 149.50 73.00 5.40 e 0.00 0.00 0.00 0.00 0.00 g 0.00 22.50 f 239.00 677.40
2006 242.00 167.50 183.50 9.00 j 0.00 0.00 0.00 0.00 0.00 0.00 92.00 433.50 1118.50
2007 447.71 e 210.00 94.03 a 30.50 0.00 0.00 0.00 0.00 0.00 0.00 66.50 438.50 1287.24
2008 379.00 272.50 92.00 8.00 5.50 0.00 0.00 0.00 0.00 14.50 75.50 341.50 1188.50
2009 249.00 204.50 86.00 34.50 0.00 0.00 0.00 0.00 0.00 29.00 60.00 m 437.00 1040.00
2010 292.00 227.50 155.50 34.50 5.50 0.00 0.00 0.00 e 0.00 1.00 209.00 196.50 g 925.00
2011 399.90 a 296.00 g 95.77 c 27.60 e 3.10 a 0.00 c 0.00 b 0.00 0.00 a 5.54 c 190.38 d 451.10 b 1173.39
2012 312.58 a 280.33 b 125.79 e 13.50 f 0.00 g 0.00 c 0.00 d 0.00 f 0.00 c 152.00 349.50 649.50 1869.71
2013 521.50 582.00 140.50 u 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 1103.50
Period of Record Statistics
MEAN 367.13 255.29 154.98 46.63 6.36 0.02 0.00 0.00 0.04 21.68 175.97 378.32 1458.08
S.D. 106.85 104.15 78.81 39.02 9.58 0.13 0.00 0.00 0.27 28.53 76.47 91.60 352.00
SKEW -0.08 0.69 0.55 0.76 2.02 7.42 0.00 0.00 6.85 2.33 0.28 0.45 -0.32
MAX 556.00 582.00 341.50 153.00 46.50 1.00 0.00 0.00 2.00 152.00 349.50 649.50 2175.95
MIN 105.00 54.50 37.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22.50 236.12 752.00
NO YRS 60 58 58 56 57 58 59 57 58 57 53 56 44