PHOENIX CITY, ARIZONA

Monthly Total Heating Degree Days

(026486)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 199810
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 0.00 13.00 245.00 402.00 660.00
1949 630.50 342.00 146.50 36.50 0.00 0.00 0.00 0.00 0.00 48.50 28.50 383.00 1615.50
1950 427.00 144.00 97.00 10.50 5.50 0.00 0.00 0.00 0.00 0.00 59.50 192.00 935.50
1951 378.50 236.00 134.00 36.50 15.50 0.00 0.00 0.00 0.00 9.00 147.00 385.50 1342.00
1952 404.50 290.00 296.50 48.50 0.00 0.00 0.00 0.00 0.00 0.00 241.50 383.50 1664.50
1953 263.50 274.50 108.00 42.00 7.00 0.00 0.00 0.00 0.00 12.00 126.50 410.00 1243.50
1954 332.50 88.00 166.50 3.50 2.00 0.00 0.00 0.00 0.00 13.00 34.00 325.00 964.50
1955 494.50 366.50 116.00 38.00 4.00 0.00 0.00 0.00 0.00 0.00 155.50 237.50 1412.00
1956 227.00 371.00 97.50 49.00 0.00 0.00 0.00 0.00 0.00 28.50 173.00 314.43 c 1260.43
1957 328.00 117.50 98.50 43.50 9.00 0.00 0.00 0.00 0.00 21.00 252.50 292.50 1162.50
1958 351.00 179.50 225.00 58.00 0.00 0.00 0.00 0.00 0.00 d 1.07 b 117.00 179.59 b 1111.16
1959 252.81 b 263.93 a 68.50 0.00 4.50 0.00 0.00 b 0.00 0.00 a 19.12 a 95.00 309.48 a 1013.34
1960 478.50 363.50 60.00 3.89 c 0.00 0.00 b 0.00 0.00 0.00 14.47 a 108.50 354.00 1382.86
1961 252.00 165.00 120.50 7.00 0.00 0.00 c 0.00 0.00 0.00 40.00 202.00 359.60 a 1146.10
1962 393.00 217.00 260.50 0.00 1.50 0.00 0.00 0.00 0.00 a 1.00 83.00 242.50 1198.50
1963 448.00 120.00 129.00 62.50 0.00 a 0.00 0.00 0.00 0.00 0.00 113.00 321.00 1193.50
1964 469.00 360.00 230.00 61.00 16.00 0.00 0.00 a 0.00 0.00 0.00 234.50 324.00 1694.50
1965 312.50 281.50 195.82 a 106.50 7.50 0.00 0.00 0.00 0.00 6.50 82.00 332.00 1324.32
1966 446.00 360.50 109.50 9.50 0.00 0.00 0.00 0.00 0.00 2.00 91.50 315.00 1334.00
1967 367.50 180.00 92.00 85.50 11.00 0.00 0.00 0.00 0.00 4.00 48.50 473.00 1261.50
1968 330.00 112.00 117.00 18.50 i 0.00 c 0.00 a 0.00 b 0.00 q 0.00 z 0.00 z 0.00 z 0.00 z 559.00
1969 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
1970 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
1971 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
1972 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 l 33.00 194.00 375.00 602.00
1973 392.00 184.50 224.50 31.00 0.00 c 0.00 0.00 0.00 a 0.00 0.00 143.00 272.00 1247.00
1974 331.00 225.50 70.00 6.43 b 0.00 0.00 0.00 0.00 b 0.00 21.50 91.07 b 405.50 1151.00
1975 333.00 224.52 a 150.50 74.00 3.00 0.00 0.00 0.00 b 0.00 a 10.00 116.00 275.50 1186.52
1976 266.00 94.00 118.00 44.00 0.00 0.00 0.00 0.00 0.00 7.50 85.00 260.50 875.00
1977 305.00 116.50 129.50 27.50 0.00 0.00 0.00 0.00 0.00 0.00 40.00 143.00 761.50
1978 259.50 168.00 59.00 24.50 0.00 0.00 0.00 0.00 a 0.00 0.00 a 137.00 392.50 1040.50
1979 440.50 201.00 111.00 20.50 1.50 0.00 0.00 0.00 0.00 8.00 143.50 208.00 1134.00
1980 206.50 93.50 87.00 31.50 0.00 0.00 0.00 0.00 0.00 10.00 91.50 96.00 616.00
1981 151.50 115.00 71.50 9.50 0.00 b 0.00 0.00 0.00 0.00 a 2.50 48.50 182.50 581.00
1982 309.50 151.00 97.50 3.50 0.00 0.00 0.00 0.00 0.00 0.00 z 45.00 t 315.50 877.00
1983 252.50 172.50 107.00 56.38 a 0.50 0.00 0.00 0.00 0.00 0.00 139.50 236.00 964.38
1984 242.00 154.00 17.00 22.50 0.00 0.00 0.00 0.00 0.00 10.50 122.50 322.00 890.50
1985 324.00 220.50 0.00 z 3.50 0.00 0.00 0.00 0.00 0.00 0.00 144.50 256.00 948.50
1986 92.00 143.50 63.00 2.00 0.00 0.00 0.00 0.00 0.00 0.00 44.50 234.00 579.00
1987 288.50 166.50 101.50 3.50 0.00 0.00 0.00 0.00 0.00 0.00 102.50 362.50 1025.00
1988 296.50 106.00 68.00 15.00 0.00 0.00 0.00 0.00 0.00 0.00 141.50 290.00 917.00
1989 312.00 135.50 35.50 0.00 0.00 0.00 0.00 0.00 0.00 4.50 40.00 257.50 785.00
1990 289.00 245.00 72.50 0.50 0.00 0.00 0.00 0.00 0.00 0.00 75.00 357.50 1039.50
1991 280.50 29.00 166.50 4.00 0.00 0.00 0.00 0.00 0.00 33.00 99.50 235.00 847.50
1992 279.00 99.50 70.00 6.00 0.00 0.00 0.00 0.00 0.00 0.00 137.50 361.50 953.50
1993 210.50 162.00 56.50 0.00 0.00 0.00 0.00 0.00 0.00 0.00 115.50 268.50 813.00
1994 236.00 202.50 28.00 9.50 0.00 0.00 0.00 0.00 0.00 10.00 188.00 254.50 928.50
1995 307.50 0.00 z 0.00 z 38.50 4.50 i 0.00 0.00 0.00 z 0.00 z 0.00 9.00 211.00 566.00
1996 227.00 99.50 51.50 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 z 50.50 253.50 682.00
1997 272.50 182.00 38.00 47.00 0.00 0.00 0.00 0.00 0.00 16.50 76.00 373.50 1005.50
1998 246.00 290.50 137.50 74.00 0.00 0.00 z 0.00 z 0.00 0.00 4.50 0.00 z 0.00 z 752.50
Period of Record Statistics
MEAN 320.35 195.88 113.62 27.93 1.97 0.00 0.00 0.00 0.00 8.99 115.86 298.58 1090.03
S.D. 97.82 88.27 62.41 26.92 4.03 0.00 0.00 0.00 0.00 11.93 60.76 78.91 268.50
SKEW 0.64 0.55 1.04 0.88 2.27 0.00 0.00 0.00 0.00 1.60 0.53 -0.26 0.23
MAX 630.50 371.00 296.50 106.50 16.00 0.00 0.00 0.00 0.00 48.50 252.50 473.00 1694.50
MIN 92.00 29.00 17.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 9.00 96.00 579.00
NO YRS 46 45 44 45 45 45 46 45 44 45 45 46 40