CHANDLER HEIGHTS, ARIZONA

Monthly Total Heating Degree Days

(021514)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200507
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 0.00 e 0.00 11.88 a 285.60 e 409.00 706.48
1949 626.50 347.50 190.65 a 48.21 b 0.00 b 0.00 c 0.00 0.00 0.00 b 50.50 49.50 378.64 c 1691.51
1950 454.00 203.00 122.00 5.40 e 7.48 b 0.00 i 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 791.88
1951 326.00 f 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 204.50 p 0.00
1952 429.87 a 375.50 362.50 0.00 z 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1167.87
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 10.00 162.86 b 488.25 c 661.11
1954 421.00 148.00 224.00 15.50 9.00 0.00 0.00 0.00 0.00 29.00 102.50 427.50 1376.50
1955 587.00 440.00 190.50 74.50 18.00 0.00 z 0.00 r 0.00 0.00 1.50 169.00 290.50 1771.00
1956 275.00 419.50 127.50 50.50 0.00 0.00 0.00 0.00 0.00 35.50 239.50 402.50 1550.00
1957 330.00 137.50 111.60 a 66.00 12.00 0.00 0.00 0.00 0.00 19.50 276.50 334.00 1287.10
1958 380.00 196.00 274.00 79.00 0.00 0.00 0.00 0.00 0.00 6.50 161.50 275.50 1372.50
1959 330.50 317.50 120.50 0.00 14.50 0.00 0.00 0.00 0.00 20.50 169.00 361.00 1333.50
1960 542.00 427.00 103.00 37.50 1.00 0.00 0.00 0.00 0.00 24.50 174.50 412.00 1721.50
1961 327.00 236.50 128.81 b 15.00 0.00 0.00 0.00 0.00 0.00 47.50 236.50 406.00 1397.31
1962 454.50 220.50 280.50 2.50 1.50 0.00 0.00 0.00 0.00 0.50 93.60 e 308.00 1361.60
1963 488.00 157.50 164.00 70.50 0.00 0.00 0.00 0.00 0.00 0.00 146.00 396.50 1422.50
1964 524.50 433.00 278.00 74.50 22.50 0.00 0.00 0.00 0.00 0.00 263.00 377.50 1973.00
1965 383.00 318.50 247.50 126.50 14.00 0.00 0.00 0.00 0.00 3.50 104.50 375.00 1572.50
1966 509.50 414.00 139.50 15.50 0.00 0.00 0.00 0.00 0.00 10.00 126.00 391.50 1606.00
1967 432.00 227.50 101.00 106.50 19.00 0.00 0.00 0.00 0.00 10.00 68.28 a 523.50 1487.78
1968 407.00 169.00 183.50 71.00 0.00 0.00 0.00 0.00 0.00 3.50 199.50 508.50 1542.00
1969 322.00 333.00 298.50 27.00 22.00 0.00 0.00 0.00 0.00 44.50 155.00 334.50 1536.50
1970 445.50 194.50 196.00 115.50 6.50 0.00 0.00 0.00 0.00 52.50 189.00 435.50 1635.00
1971 468.00 304.00 190.00 71.00 4.50 0.00 0.00 0.00 0.00 111.50 230.00 495.50 1874.50
1972 474.50 232.00 51.00 36.00 0.00 0.00 0.00 0.00 0.00 96.50 331.50 487.50 1709.00
1973 516.50 296.50 321.00 109.00 13.00 0.00 0.00 0.00 0.00 23.00 244.00 376.00 1899.00
1974 430.50 316.00 156.72 d 44.50 10.00 0.00 0.00 0.00 0.00 42.00 241.50 556.00 1797.22
1975 471.50 365.00 256.50 195.50 25.00 0.00 0.00 d 0.00 0.00 0.00 z 186.50 387.50 1887.50
1976 402.00 177.50 228.00 102.00 1.50 0.00 0.00 0.00 0.00 67.50 178.50 396.50 1553.50
1977 441.50 231.50 270.50 45.50 16.50 0.00 0.00 0.00 0.00 8.00 128.50 281.00 1423.00
1978 372.00 258.00 136.00 65.50 6.00 0.00 0.00 a 0.00 0.00 15.50 202.50 472.00 1527.50
1979 498.50 295.50 200.50 65.00 6.00 0.00 0.00 0.00 0.00 a 0.00 260.00 304.50 1630.00
1980 295.50 208.50 197.00 60.56 c 3.00 0.00 0.00 h 0.00 0.00 45.00 185.36 b 249.50 1244.41
1981 255.50 187.38 b 228.00 12.86 b 0.52 a 0.00 0.00 0.00 c 0.00 c 17.00 79.00 305.00 1085.26
1982 434.50 242.50 162.23 a 40.50 0.52 a 0.00 0.00 b 0.00 0.00 24.80 a 197.50 440.00 1542.55
1983 368.50 286.50 220.00 115.50 0.00 a 0.00 0.00 0.00 0.00 0.00 233.89 c 354.90 b 1579.29
1984 417.50 312.00 99.00 50.00 4.50 0.00 0.00 0.00 0.00 8.61 d 170.00 432.97 a 1494.58
1985 430.12 c 342.50 156.55 a 20.89 b 0.00 b 0.00 0.00 b 0.00 a 0.00 7.50 231.00 415.50 1604.07
1986 246.50 241.00 0.00 z 16.50 0.00 0.00 0.00 0.00 2.00 21.50 165.00 428.50 1121.00
1987 449.00 289.50 209.50 8.50 0.00 0.00 0.00 0.00 0.00 1.00 206.50 531.50 1695.50
1988 452.50 221.50 155.50 51.00 4.50 0.00 0.00 0.00 0.00 0.00 222.50 413.50 1521.00
1989 437.50 235.50 55.00 1.50 1.50 0.00 0.00 0.00 0.00 25.50 128.50 412.00 1297.00
1990 420.50 318.50 132.50 3.00 i 1.00 0.00 0.00 0.00 0.00 4.00 149.50 492.50 1518.50
1991 452.50 155.00 295.50 40.86 a 3.50 0.00 0.00 0.00 0.00 50.00 210.00 362.00 1569.36
1992 423.50 248.50 186.00 18.50 0.00 0.00 0.00 0.00 0.00 0.00 286.00 485.00 1647.50
1993 318.00 280.00 142.50 26.50 0.00 0.00 0.00 0.00 0.00 12.00 243.00 416.00 1438.00
1994 423.00 332.00 97.00 0.00 z 0.00 a 0.00 0.00 0.00 0.00 19.12 a 278.50 376.50 1526.12
1995 422.00 156.50 0.00 z 87.00 15.00 0.00 a 0.00 0.00 0.00 6.00 77.00 350.00 1113.50
1996 370.50 159.00 112.00 5.50 0.00 0.00 0.00 0.00 0.00 85.00 134.50 359.50 1226.00
1997 390.50 286.00 70.50 60.00 0.00 0.00 0.00 0.00 0.00 37.00 165.50 494.50 1504.00
1998 377.50 373.00 202.00 139.50 2.50 0.00 z 0.00 0.00 0.00 0.00 z 176.00 410.50 1681.00
1999 327.57 a 197.00 91.45 a 105.00 b 0.55 c 0.00 a 0.00 a 0.00 0.00 b 0.00 b 105.00 a 432.93 b 1259.50
2000 287.27 a 206.50 156.00 18.10 a 0.00 b 0.00 0.00 0.00 a 0.00 a 0.00 z 385.34 a 365.50 1418.71
2001 469.65 a 334.44 a 158.21 b 79.66 a 0.00 0.00 a 0.00 b 0.00 b 0.00 b 0.50 134.00 484.63 a 1661.09
2002 373.50 207.50 153.00 1.00 0.00 b 0.00 0.00 0.00 l 0.00 15.00 95.00 441.48 b 1286.48
2003 196.00 253.00 117.00 h 63.00 1.00 0.00 0.00 0.00 p 0.00 z 0.00 222.00 381.50 1116.50
2004 332.50 367.50 0.00 z 19.50 0.00 0.00 0.00 0.00 0.00 35.00 228.00 382.50 1365.00
2005 319.00 232.50 171.50 20.50 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 743.50
2006 0.00 z 0.00 z 0.00 z 0.00 z 0.00 t 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 407.90 270.28 178.52 53.80 4.87 0.00 0.00 0.00 0.04 22.74 186.73 403.89 1535.13
S.D. 84.17 81.49 70.58 41.91 7.02 0.00 0.00 0.00 0.28 25.83 68.91 69.02 186.66
SKEW -0.07 0.35 0.46 0.95 1.40 0.00 0.00 0.00 7.00 1.60 0.30 0.01 0.07
MAX 626.50 440.00 362.50 195.50 25.00 0.00 0.00 0.00 2.00 111.50 385.34 556.00 1973.00
MIN 196.00 137.50 51.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 49.50 249.50 1085.26
NO YRS 55 55 51 52 55 52 53 51 52 51 54 54 40