GILA BEND, ARIZONA

Monthly Total Heating Degree Days

(023393)

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
1892 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 502.00 502.00
1893 338.50 218.00 201.00 35.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 792.50
1894 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
1895 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 0.00 131.50 354.00 485.50
1896 198.00 202.50 113.50 49.00 3.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 566.00
1897 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
1898 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
1899 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
1900 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
1901 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
1902 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
1903 0.00 z 0.00 z 0.00 z 76.80 e 0.50 0.00 0.00 h 0.00 0.00 0.00 0.00 z 0.00 z 77.30
1904 402.50 0.00 z 0.00 z 8.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 411.00
1905 0.00 z 0.00 z 0.00 z 21.00 0.50 0.00 0.00 0.00 0.00 10.50 119.00 450.50 601.50
1906 402.50 151.00 139.50 59.50 1.00 0.00 0.00 z 0.00 z 0.00 41.50 247.00 384.50 1426.50
1907 332.50 102.00 148.50 0.00 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 583.00
1908 323.00 281.00 104.50 12.00 0.50 0.00 0.00 0.00 0.00 45.50 73.00 343.00 1182.50
1909 237.50 266.00 186.00 17.00 0.50 0.00 0.00 0.00 0.00 9.50 161.00 0.00 z 877.50
1910 0.00 z 0.00 z 12.50 0.00 z 0.00 z 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 12.50
1911 0.00 z 0.00 z 0.00 z 6.96 b 0.00 0.00 0.00 0.00 0.00 z 5.50 132.50 483.00 627.96
1912 311.50 0.00 z 0.00 25.50 7.50 0.00 0.00 0.00 0.00 15.00 103.50 498.50 961.50
1913 472.00 209.50 0.00 z 0.00 z 0.00 0.00 a 0.00 0.00 0.00 z 0.00 102.00 391.50 1175.00
1914 279.00 234.00 54.00 11.50 1.50 0.00 0.00 0.00 0.00 2.50 27.00 445.00 1054.50
1915 425.50 307.00 162.50 37.50 34.50 0.00 0.00 0.00 0.00 0.00 179.00 467.50 1613.50
1916 370.00 155.00 69.00 31.00 0.00 0.00 a 0.00 0.00 0.00 5.00 304.00 554.00 1488.00
1917 409.00 267.50 231.50 48.50 2.50 0.00 0.00 0.00 0.00 1.50 46.50 256.00 1263.00
1918 0.00 z 206.50 54.50 18.00 0.00 0.00 0.00 0.00 z 0.00 10.00 181.55 a 402.50 873.05
1919 365.00 338.50 204.00 12.50 0.00 0.00 0.00 0.00 0.00 26.00 182.50 318.00 1446.50
1920 324.50 179.00 170.50 28.50 0.00 0.00 0.00 0.00 0.00 45.50 120.00 401.50 1269.50
1921 363.50 194.00 37.00 44.00 3.50 0.00 0.00 0.00 0.00 10.00 88.00 217.00 957.00
1922 461.00 231.00 198.50 77.50 7.00 0.00 0.00 0.00 0.00 h 16.50 187.50 243.50 1422.50
1923 258.00 233.50 150.00 12.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 654.00
1924 0.00 z 0.00 z 200.50 0.00 q 0.00 a 0.00 0.00 0.00 0.00 4.00 98.50 409.00 712.00
1925 395.00 141.50 83.00 14.00 0.00 0.00 0.00 p 0.00 z 0.00 r 19.50 116.50 112.00 f 769.50
1926 437.50 189.00 0.00 z 2.59 a 0.00 n 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 z 629.09
1927 0.00 z 0.00 z 0.00 z 0.00 z 2.50 0.00 z 0.00 z 0.00 z 0.00 x 1.50 46.00 36.50 z 50.00
1928 273.00 g 263.90 d 35.50 l 8.00 j 0.00 0.00 0.00 0.00 0.00 y 8.50 119.50 386.50 778.40
1929 244.00 l 302.81 a 165.16 b 0.50 k 0.00 i 0.00 0.00 0.00 0.00 j 36.00 206.00 258.50 968.47
1930 306.00 i 126.00 c 118.00 0.50 23.50 t 0.00 0.00 0.00 0.00 10.00 l 178.50 420.00 843.00
1931 222.00 r 76.50 46.00 0.00 f 0.00 z 0.00 0.00 z 0.00 q 0.00 f 5.00 262.50 482.50 872.50
1932 556.00 248.00 64.50 26.50 2.30 d 0.00 0.00 0.00 o 0.00 9.00 84.00 567.00 1557.30
1933 563.50 460.50 98.50 97.50 12.50 0.00 0.00 0.00 0.00 0.00 102.00 281.00 j 1334.50
1934 0.00 z 59.50 i 0.00 11.00 0.00 0.00 0.00 i 0.00 0.00 0.00 154.50 289.00 454.50
1935 312.50 171.00 145.50 16.00 0.00 0.00 0.00 0.00 0.00 28.00 215.00 330.00 1218.00
1936 375.50 233.50 79.00 32.50 0.00 0.00 0.00 o 0.00 0.00 0.00 241.00 120.00 v 961.50
1937 49.00 z 284.00 120.50 39.00 0.00 0.00 0.00 0.00 0.00 1.00 222.50 543.00 1210.00
1938 315.50 363.00 0.00 z 30.50 0.00 0.00 0.00 z 0.00 0.00 0.00 z 250.00 269.00 1228.00
1939 316.50 398.00 80.37 d 2.00 0.00 0.00 0.00 0.00 0.00 7.50 33.00 196.50 1033.87
1940 248.50 210.00 68.50 9.50 0.00 c 0.00 0.00 a 0.00 0.00 5.50 168.00 e 193.48 b 903.48
1941 315.88 b 220.23 b 231.50 165.50 5.00 p 0.00 0.00 h 0.00 1.00 0.00 z 115.00 297.71 b 1346.82
1942 306.38 a 0.00 z 133.00 20.36 b 1.50 i 0.00 0.00 0.00 0.00 12.00 54.00 256.50 782.24
1943 311.00 143.00 45.00 31.50 0.00 0.00 0.00 0.00 0.00 9.00 0.00 z 0.00 z 539.50
1944 379.00 0.00 z 210.50 26.00 0.00 0.00 0.00 0.00 0.00 0.00 197.50 319.00 1132.00
1945 414.00 246.50 123.00 m 67.50 0.00 0.00 0.00 0.00 a 0.00 g 3.00 157.76 a 357.65 d 1246.41
1946 341.50 259.26 a 68.09 c 7.00 0.00 0.00 0.00 0.00 0.00 14.50 219.00 270.73 a 1180.08
1947 447.84 c 137.00 62.53 b 10.50 0.00 0.00 0.00 0.00 0.00 0.50 280.00 413.00 1351.37
1948 358.00 314.50 199.00 12.00 1.50 0.00 0.00 0.00 0.00 0.00 249.00 414.50 1548.50
1949 622.00 339.00 121.00 33.00 0.00 0.00 0.00 0.00 0.00 53.50 8.00 228.00 g 1176.50
1950 454.50 140.50 81.50 15.00 5.50 0.00 l 0.00 0.00 0.00 0.00 53.00 174.00 924.00
1951 370.00 248.00 136.00 27.50 2.50 0.00 0.00 0.00 0.00 b 6.20 a 133.00 372.50 1295.70
1952 441.00 284.50 293.00 23.00 0.00 0.00 0.00 0.00 0.00 0.00 208.00 421.50 1671.00
1953 300.00 304.50 114.00 41.00 14.47 a 0.00 0.00 b 0.00 0.00 14.00 138.50 406.00 1332.47
1954 391.50 100.50 146.00 0.50 2.50 0.00 0.00 0.00 0.00 21.00 40.00 324.00 1026.00
1955 481.50 391.00 124.50 36.00 9.00 0.00 0.00 0.00 0.00 0.00 146.00 253.00 1441.00
1956 190.77 e 310.50 f 124.00 45.00 0.00 0.00 0.00 0.00 0.00 b 36.50 221.50 355.50 973.27
1957 328.50 116.50 83.00 38.50 1.00 0.00 0.00 0.00 0.00 5.50 203.00 266.50 1042.50
1958 364.00 161.00 207.50 44.50 0.00 0.00 0.00 0.00 a 0.00 5.50 171.50 258.00 1212.00
1959 314.00 301.50 15.00 n 0.00 6.50 0.00 0.00 0.00 0.00 11.00 96.50 330.50 1060.00
1960 508.92 a 340.00 62.50 8.00 j 0.50 i 0.00 h 0.00 j 0.00 h 0.00 h 4.50 k 102.50 i 291.50 i 911.42
1961 187.00 k 142.50 i 80.00 h 9.00 l 0.00 z 0.00 z 0.00 z 0.00 k 0.00 r 29.45 a 201.50 391.50 622.45
1962 328.50 g 212.00 257.50 0.00 0.00 0.00 0.00 0.00 0.00 0.00 68.50 260.50 798.50
1963 490.50 98.52 a 144.50 53.50 0.00 0.00 0.00 0.00 0.00 0.50 0.00 z 360.00 1147.52
1964 0.00 z 0.00 z 189.00 f 54.11 b 5.17 a 0.00 0.00 0.00 0.00 a 0.00 246.00 350.50 655.77
1965 339.50 282.00 193.50 62.00 2.50 0.00 0.00 0.00 0.00 5.50 92.00 337.50 1314.50
1966 506.50 356.50 122.00 0.50 0.00 a 0.00 0.00 0.00 0.00 9.50 115.00 0.00 z 1110.00
1967 426.00 235.00 94.55 a 79.50 11.88 a 0.00 0.00 0.00 0.00 c 6.00 48.50 523.50 1424.93
1968 391.50 144.00 137.00 59.00 1.00 0.00 0.00 0.00 0.00 0.50 170.50 531.50 1435.00
1969 252.50 358.50 191.00 6.00 12.00 0.00 0.00 0.00 a 0.00 60.50 56.50 262.39 c 1199.39
1970 360.63 a 137.00 128.00 57.00 0.00 0.00 0.00 0.00 0.00 14.50 96.50 365.59 b 1159.22
1971 394.00 204.00 112.50 37.50 4.00 0.00 0.00 i 0.00 b 0.00 93.50 206.50 453.00 1505.00
1972 442.50 186.50 35.00 8.33 c 0.00 d 0.00 b 0.00 0.00 0.00 35.13 a 206.00 402.50 1315.97
1973 435.50 203.00 261.00 46.00 0.00 0.00 0.00 0.00 0.00 0.00 162.00 299.00 1406.50
1974 348.50 252.00 b 92.50 8.50 0.50 0.00 0.00 0.00 0.00 18.00 107.50 459.50 1287.00
1975 368.50 268.50 177.50 115.50 5.50 0.00 0.00 a 0.00 0.00 19.00 159.00 357.00 1470.50
1976 284.50 117.50 135.00 58.50 5.00 0.00 0.00 0.00 0.00 6.50 109.50 312.00 1028.50
1977 336.50 165.50 201.50 30.50 0.00 0.00 0.00 0.00 0.00 0.50 45.00 154.50 934.00
1978 269.50 188.00 55.50 19.00 0.50 j 0.00 0.00 0.00 0.00 1.00 142.00 399.50 1074.50
1979 469.00 228.50 117.00 20.00 0.50 0.00 0.00 0.00 0.00 a 9.50 140.50 202.50 1187.50
1980 217.00 97.50 93.50 33.50 0.00 0.00 0.00 0.00 0.00 6.50 117.50 166.50 732.00
1981 185.00 141.50 92.00 10.50 0.00 0.00 0.00 0.00 0.00 12.00 68.50 241.50 751.00
1982 355.00 154.50 105.00 8.50 0.00 0.00 0.00 0.00 0.00 7.50 132.00 354.00 1116.50
1983 259.37 a 227.00 121.00 66.50 0.50 0.00 0.00 0.00 0.00 0.00 140.00 227.50 1041.87
1984 292.00 217.50 46.00 25.00 0.00 0.00 0.00 0.00 0.00 13.50 142.50 340.50 1077.00
1985 353.50 264.50 93.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 66.50 228.00 1006.50
1986 135.00 124.50 48.57 a 4.00 0.50 0.00 0.00 0.00 0.00 0.00 81.50 289.50 683.57
1987 351.50 180.50 92.50 1.50 0.00 0.00 0.00 0.00 0.00 0.00 75.50 247.50 949.00
1988 373.00 141.50 102.00 22.50 4.50 0.00 0.00 0.00 0.00 0.00 172.50 339.00 1155.00
1989 395.50 198.50 45.00 0.50 0.00 0.00 0.00 0.00 0.00 28.50 79.00 333.50 1080.50
1990 363.50 277.50 87.00 2.50 0.00 0.00 0.00 0.00 0.00 1.00 94.50 404.00 1230.00
1991 324.50 55.50 159.00 10.00 0.00 0.00 0.00 0.00 0.00 32.50 114.00 241.00 936.50
1992 260.00 101.50 57.00 5.00 0.00 0.00 0.00 0.00 0.00 0.00 194.00 379.50 997.00
1993 237.00 184.00 71.00 1.50 0.00 0.00 0.00 0.00 0.00 0.00 134.50 325.00 953.00
1994 297.50 227.50 21.00 12.00 0.00 0.00 0.00 0.00 0.00 10.00 203.50 0.00 z 771.50
1995 283.50 47.00 64.00 38.00 2.00 0.00 0.00 0.00 0.00 4.50 20.00 261.50 720.50
1996 292.00 111.50 69.50 0.00 0.00 0.00 0.00 0.00 0.00 54.50 74.50 272.00 874.00
1997 261.50 203.50 48.50 29.50 0.00 0.00 0.00 0.00 0.00 17.00 90.50 400.00 1050.50
1998 271.00 270.00 130.00 81.50 1.00 0.00 z 0.00 0.00 0.00 5.50 99.00 358.50 1216.50
1999 305.72 b 182.00 91.50 91.50 5.00 0.00 0.00 0.00 e 0.00 0.00 82.24 a 356.50 1114.47
2000 264.00 132.05 a 99.00 6.43 b 0.00 0.00 0.00 0.00 0.00 18.00 282.50 287.27 a 1089.25
2001 342.00 239.00 98.50 o 12.00 j 0.00 a 0.00 0.00 a 0.00 0.00 0.00 84.00 394.00 1059.00
2002 332.50 175.50 114.00 0.50 0.00 0.00 0.00 0.00 0.00 2.00 52.00 330.50 1007.00
2003 133.50 173.00 93.00 26.00 0.00 0.00 0.00 0.00 0.00 0.00 134.50 319.50 879.50
2004 276.00 266.50 40.50 12.00 0.00 0.00 0.00 0.00 0.00 22.00 172.50 326.50 1116.00
2005 267.50 185.50 104.00 5.00 0.00 0.00 0.00 0.00 0.00 0.00 77.00 318.50 957.50
2006 291.00 157.50 143.50 7.50 0.00 0.00 0.00 0.00 0.00 0.00 64.00 361.50 1025.00
2007 396.00 155.50 51.67 a 9.00 0.00 0.00 0.00 0.00 0.00 0.00 40.50 400.00 1052.67
2008 333.00 212.00 61.50 0.00 4.50 0.00 0.00 0.00 0.00 12.00 42.00 286.50 951.50
2009 233.00 164.50 42.76 b 22.50 0.00 a 0.00 0.00 b 0.00 0.00 21.50 75.50 384.50 944.26
2010 251.00 156.50 108.50 27.00 0.00 0.00 0.00 0.00 0.00 0.00 186.00 206.00 935.00
2011 319.76 d 298.00 45.47 a 20.69 a 0.00 a 0.00 0.00 0.00 a 0.00 0.00 a 89.50 394.73 a 1168.15
2012 211.12 b 196.02 b 71.50 10.71 b 0.00 0.00 0.00 a 0.00 c 0.00 c 0.00 c 49.44 c 295.53 a 834.33
2013 400.33 b 259.91 e 29.50 g 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 17.50 z 660.24
Period of Record Statistics
MEAN 344.47 213.20 112.42 28.10 1.89 0.00 0.00 0.00 0.01 11.07 132.15 344.17 1128.93
S.D. 89.50 79.17 60.83 28.20 4.47 0.00 0.00 0.00 0.10 15.94 67.39 91.23 222.09
SKEW 0.35 0.46 0.63 1.86 4.60 0.00 0.00 0.00 9.70 2.36 0.40 0.25 0.31
MAX 622.00 460.50 293.00 165.50 34.50 0.00 0.00 0.00 1.00 93.50 304.00 567.00 1671.00
MIN 133.50 47.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8.00 154.50 683.57
NO YRS 97 99 98 102 100 104 97 100 97 103 102 96 63