FLORENCE, ARIZONA

Monthly Total Heating Degree Days

(023027)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 200902
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 581.00 581.00
1893 400.00 275.00 263.00 60.50 0.50 0.00 0.00 0.00 0.00 0.00 z 251.50 366.50 1617.00
1894 510.50 420.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 931.00
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 z 0.00 z 0.00 z 0.00
1896 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
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 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
1904 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
1905 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
1906 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
1907 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
1908 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 y 88.00 175.50 0.00 z 263.50
1909 294.50 306.00 255.50 32.50 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 697.50 1586.00
1910 352.00 309.50 20.50 15.50 0.00 0.00 0.00 0.00 0.00 10.00 131.50 326.50 1165.50
1911 0.00 z 0.00 z 170.50 0.00 z 6.00 0.00 0.00 z 0.00 z 0.00 0.00 0.00 z 0.00 z 176.50
1912 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
1913 559.50 341.50 251.00 42.50 5.00 0.00 0.00 0.00 0.00 2.50 146.50 420.50 1769.00
1914 298.00 307.00 85.50 17.50 9.00 0.00 0.00 0.00 e 0.00 5.00 62.00 434.50 1218.50
1915 458.50 311.00 227.00 50.00 50.00 0.00 0.00 a 0.00 a 0.00 0.00 m 215.00 368.50 1680.00
1916 396.00 140.00 75.00 29.50 0.00 0.00 0.00 0.00 0.00 a 5.34 b 180.50 437.50 1263.84
1917 345.00 0.00 z 0.00 z 4.50 x 3.00 0.00 a 0.00 a 0.00 0.00 z 0.00 z 0.00 z 0.00 z 348.00
1918 0.00 z 158.50 n 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 18.50 230.50 439.50 688.50
1919 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 k 49.48 e 143.00 l 147.00 p 49.48
1920 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
1921 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 n 0.00 0.00 z 0.00 z 0.00 z 0.00
1922 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
1923 0.00 z 0.00 z 277.00 85.00 13.00 1.11 c 0.00 0.00 0.00 43.50 203.50 456.50 1079.61
1924 559.03 a 324.50 351.50 121.00 0.00 0.00 0.00 0.00 0.00 25.50 152.50 467.00 2001.03
1925 503.00 204.50 156.00 72.32 b 0.00 0.00 0.00 0.00 a 0.00 30.50 244.00 449.00 1659.32
1926 551.00 261.00 111.71 b 35.00 8.00 0.00 0.00 0.00 f 0.00 18.27 c 214.29 b 439.00 1638.26
1927 208.00 118.50 0.00 z 0.00 z 0.00 e 0.00 c 0.00 b 0.00 0.00 g 2.50 16.61 b 449.50 b 795.11
1928 0.00 z 354.00 0.00 z 13.89 c 0.00 z 0.00 z 0.00 0.00 0.00 17.22 d 342.00 0.00 z 727.11
1929 0.00 z 0.00 z 118.50 p 49.00 0.00 0.00 0.00 0.00 0.00 53.00 296.50 266.50 665.00
1930 465.50 180.50 190.50 27.00 45.00 0.00 z 0.00 0.00 a 0.00 17.00 213.00 445.00 1583.50
1931 426.50 266.00 212.50 3.00 0.00 0.00 0.00 0.00 0.00 17.50 329.50 504.50 1759.50
1932 686.50 319.50 228.00 74.50 11.50 1.00 0.00 0.00 0.00 30.50 84.00 509.00 1944.50
1933 523.00 458.00 192.00 114.00 33.50 0.00 0.00 0.00 0.00 0.00 123.00 364.50 1808.00
1934 402.48 a 170.00 20.00 2.00 h 0.00 0.00 0.00 0.00 j 0.00 3.50 210.52 a 206.50 m 806.50
1935 327.00 216.00 247.00 30.00 12.00 0.00 0.00 0.00 0.00 34.00 241.50 375.50 1483.00
1936 451.00 318.50 111.50 53.00 0.00 0.00 0.00 0.00 0.00 17.50 136.50 399.38 a 1487.38
1937 669.00 287.50 166.37 a 51.50 0.00 f 0.00 d 0.00 0.00 0.00 0.00 137.50 300.00 1611.87
1938 351.50 288.00 226.00 63.00 13.00 0.00 0.00 0.00 0.00 15.50 g 304.00 328.50 1574.00
1939 418.50 521.11 a 187.00 11.00 0.00 0.00 0.00 j 0.00 0.00 22.00 57.50 230.50 1447.61
1940 226.00 f 219.50 65.00 25.96 d 0.00 a 0.00 h 0.00 0.00 0.00 43.50 241.00 260.29 b 855.25
1941 341.00 214.00 229.50 166.50 10.00 0.00 0.00 0.00 0.00 53.00 152.00 244.50 1410.50
1942 368.50 361.50 222.00 46.50 5.50 0.00 0.00 0.00 0.00 13.00 86.50 304.50 1408.00
1943 367.00 145.50 70.50 27.00 0.00 0.00 a 0.00 f 0.00 b 0.00 c 22.50 118.50 351.00 1102.00
1944 445.50 369.50 268.00 78.50 2.50 0.00 0.00 0.00 0.00 0.00 266.50 391.50 1822.00
1945 444.50 283.50 305.00 121.00 0.50 0.00 0.00 0.00 0.00 5.68 a 203.50 471.50 1835.18
1946 452.50 329.50 136.00 18.00 f 0.00 0.00 0.00 0.00 0.00 43.00 289.00 327.50 1577.50
1947 484.50 190.00 123.50 28.50 0.00 0.00 0.00 0.00 0.00 5.50 285.00 470.00 1587.00
1948 401.50 352.00 302.50 25.00 0.00 0.00 0.00 0.00 0.00 12.50 267.00 407.00 1767.50
1949 633.00 361.00 180.50 45.00 0.00 0.00 0.00 n 0.00 0.00 44.50 44.00 401.00 1709.00
1950 454.50 200.00 130.00 22.78 c 21.50 0.00 d 0.00 0.00 0.00 0.00 66.50 221.00 1116.28
1951 421.50 201.00 f 189.00 37.50 18.00 0.00 0.00 0.00 0.00 12.00 185.50 405.00 1268.50
1952 432.00 311.00 329.50 45.50 0.00 0.00 e 0.00 0.00 0.00 0.00 266.50 443.00 1827.50
1953 369.00 335.00 162.00 11.50 k 29.89 c 0.00 0.00 0.00 0.00 c 25.63 e 154.50 494.50 1570.53
1954 380.50 132.50 196.00 5.00 o 0.00 d 0.00 0.00 0.00 0.00 21.00 96.50 359.00 1185.50
1955 517.50 414.50 171.50 77.00 11.00 0.00 0.00 0.00 0.00 0.00 162.00 277.00 1630.50
1956 253.00 421.00 136.50 64.00 0.00 0.00 0.00 0.00 0.00 43.00 246.21 a 366.00 1529.71
1957 317.00 118.00 125.00 56.50 17.00 0.00 0.00 e 0.00 0.00 28.50 289.50 332.50 1284.00
1958 386.00 227.50 283.00 89.50 0.00 0.00 0.00 0.00 0.00 6.00 146.00 259.50 1397.50
1959 306.50 307.00 125.50 7.24 a 9.00 0.00 0.00 0.00 0.00 35.00 126.50 362.00 1278.74
1960 535.50 451.50 83.50 33.00 2.50 0.00 0.00 0.00 0.00 16.00 144.50 397.00 1663.50
1961 291.50 222.50 137.00 19.00 0.00 0.00 0.00 e 0.00 0.00 53.50 245.36 b 399.90 a 1368.76
1962 439.17 a 236.00 288.50 1.00 3.00 0.00 0.00 0.00 0.00 10.00 129.50 334.00 1441.17
1963 515.00 195.00 206.50 87.50 0.00 0.00 0.00 0.00 0.00 2.50 175.50 394.50 1576.50
1964 558.00 511.00 313.50 95.00 25.50 0.00 0.00 0.00 0.00 3.50 317.00 434.00 2257.50
1965 415.50 383.50 262.00 111.50 13.00 1.50 0.00 0.00 1.00 14.50 112.00 359.00 1673.50
1966 509.00 420.00 150.00 11.50 0.00 0.00 0.00 0.00 0.00 19.00 121.50 392.00 1623.00
1967 439.00 242.50 100.50 111.00 18.50 0.00 0.00 0.00 0.00 8.50 91.00 564.00 1575.00
1968 432.50 193.50 218.50 89.00 0.50 0.00 0.00 0.00 0.00 15.00 259.50 473.00 1681.50
1969 313.00 335.50 310.00 26.50 16.00 0.00 0.00 0.00 0.00 32.00 115.50 329.50 1478.00
1970 419.00 175.00 200.00 98.50 3.00 0.00 0.00 0.00 0.00 40.00 167.50 434.00 1537.00
1971 448.00 294.00 174.50 61.00 5.50 0.00 0.00 0.00 0.00 52.00 202.50 486.50 1724.00
1972 446.50 220.50 54.00 31.00 0.00 0.00 0.00 0.00 0.00 62.00 303.00 476.50 1593.50
1973 503.50 286.50 357.00 91.50 5.50 0.00 0.00 0.00 0.00 16.50 193.50 368.00 1822.00
1974 431.00 316.00 140.00 36.00 5.00 0.00 0.00 0.00 0.00 28.50 177.00 521.50 1655.00
1975 427.50 347.50 244.00 150.50 14.50 0.00 0.00 0.00 0.00 31.50 190.00 377.00 1782.50
1976 368.50 184.50 238.50 78.00 0.00 0.00 0.00 0.00 0.00 33.00 144.50 321.50 1368.50
1977 396.00 214.00 263.00 48.00 6.00 0.00 0.00 0.00 0.00 0.50 103.50 243.00 1274.00
1978 369.00 276.50 125.50 53.50 3.50 0.00 0.00 0.00 0.00 6.00 198.00 459.50 1491.50
1979 517.00 318.50 227.00 59.50 11.00 0.00 0.00 0.00 0.00 20.00 243.00 272.00 1668.00
1980 319.00 192.50 220.00 75.50 8.00 0.00 0.00 0.00 0.00 35.50 149.00 183.00 1182.50
1981 266.00 221.50 203.00 21.00 0.00 0.00 0.00 0.00 0.00 17.00 89.50 289.69 b 1107.69
1982 416.00 218.50 185.50 31.50 2.00 0.00 0.00 0.00 0.00 35.00 197.00 445.50 1531.00
1983 351.00 310.50 216.00 129.50 7.00 0.00 0.00 0.00 0.00 0.00 242.50 394.50 1651.00
1984 418.00 321.00 131.00 78.50 2.50 0.00 0.00 0.00 0.00 32.50 201.50 437.50 1622.50
1985 419.00 307.50 157.50 16.50 0.00 0.00 0.00 0.00 0.00 15.00 278.50 431.00 1625.00
1986 228.00 214.50 119.00 40.00 6.00 0.00 0.00 0.00 1.50 45.00 205.00 382.50 1241.50
1987 413.50 252.50 201.50 4.00 0.00 0.00 0.00 0.00 0.00 0.00 195.00 478.50 1545.00
1988 406.50 177.50 168.50 54.00 18.00 0.00 0.00 0.00 0.00 0.00 0.00 z 367.50 1192.00
1989 422.00 201.50 80.50 2.00 0.00 0.00 0.00 0.00 0.00 29.50 101.50 360.00 1197.00
1990 394.50 319.00 130.00 17.00 0.50 0.00 0.00 0.00 0.00 2.00 144.00 452.50 1459.50
1991 397.00 125.00 308.00 44.00 1.50 0.00 0.00 0.00 0.00 54.00 171.00 330.50 1431.00
1992 376.00 199.00 149.00 17.50 0.00 0.00 0.00 0.00 0.00 0.00 247.50 422.50 1411.50
1993 291.50 268.00 129.00 25.50 0.00 0.00 0.00 0.00 0.00 4.50 189.00 368.00 1275.50
1994 367.00 296.00 90.00 37.00 0.00 0.00 0.00 0.00 0.00 27.00 260.00 318.50 1395.50
1995 382.50 133.00 136.40 a 100.00 c 19.50 0.00 0.00 0.00 0.00 1.00 37.50 b 263.00 1072.90
1996 208.50 i 163.64 a 132.00 4.50 0.00 0.00 f 0.00 0.00 d 0.00 82.50 106.50 317.50 806.64
1997 334.50 261.50 57.50 82.00 0.00 0.00 a 0.00 0.00 k 0.00 34.00 122.00 447.00 1338.50
1998 293.00 342.50 214.00 170.00 6.50 0.00 z 0.00 0.00 z 0.00 10.00 118.50 358.00 1512.50
1999 292.90 b 192.50 f 87.50 g 0.00 z 10.00 g 0.00 0.00 f 0.00 d 0.00 z 0.00 d 81.50 387.00 761.40
2000 281.00 0.00 z 156.50 24.00 0.00 0.00 a 0.00 0.00 a 0.00 36.00 341.50 333.00 1172.00
2001 420.10 b 324.00 175.15 a 17.00 k 0.00 d 0.00 0.00 0.00 0.00 a 0.00 z 112.50 b 0.00 z 1031.75
2002 0.00 z 140.50 j 103.50 h 0.00 p 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
2003 49.00 q 128.50 n 140.00 h 36.00 j 1.79 e 0.00 0.00 0.00 0.00 0.00 178.00 365.00 544.79
2004 327.00 354.50 63.00 19.50 0.00 0.00 0.00 0.00 0.00 35.00 227.00 364.00 1390.00
2005 299.50 216.50 173.00 24.00 0.00 k 0.00 0.00 0.00 0.00 2.00 105.50 361.50 1182.00
2006 252.00 f 196.50 180.00 18.00 0.00 0.00 0.00 0.00 0.00 6.50 91.50 421.50 914.00
2007 424.50 202.00 88.00 25.00 0.50 0.00 0.00 0.00 0.00 1.50 62.50 271.50 l 804.00
2008 405.00 306.00 118.46 c 0.00 4.50 0.00 0.00 0.00 0.00 5.34 b 51.50 301.50 1192.31
2009 265.00 108.50 m 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 265.00
Period of Record Statistics
MEAN 408.13 275.16 180.13 52.00 6.06 0.04 0.00 0.00 0.03 20.89 177.53 386.91 1525.24
S.D. 92.65 88.68 76.40 38.88 9.67 0.22 0.00 0.00 0.19 19.48 76.97 84.83 242.13
SKEW 0.50 0.41 0.18 1.01 2.39 5.44 0.00 0.00 6.91 1.03 0.14 0.36 0.30
MAX 686.50 521.11 357.00 170.00 50.00 1.50 0.00 0.00 1.50 88.00 342.00 697.50 2257.50
MIN 208.00 118.00 20.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16.61 183.00 1072.90
NO YRS 88 87 88 84 90 89 89 89 91 91 92 90 61