MESA, ARIZONA

Monthly Total Heating Degree Days

(025467)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201301
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
1896 0.00 z 0.00 z 149.50 65.00 0.00 z 0.00 0.00 0.00 0.00 z 50.00 222.00 383.00 869.50
1897 346.50 414.50 364.00 42.00 0.00 0.00 0.00 0.00 0.00 77.50 228.00 535.50 2008.00
1898 570.00 219.50 311.00 24.50 8.00 0.00 0.00 0.00 0.00 5.50 289.00 560.00 1987.50
1899 520.00 401.00 237.00 64.50 41.00 10.00 0.00 0.00 0.00 77.50 201.50 415.50 1968.00
1900 321.00 279.50 82.00 125.00 2.50 0.00 0.00 0.00 3.00 34.50 114.00 390.50 1352.00
1901 391.50 310.07 a 250.50 122.50 11.50 0.00 0.00 0.00 0.00 33.00 97.22 c 473.00 1689.30
1902 442.00 339.50 268.84 b 41.50 12.50 0.00 0.00 0.00 0.00 1.00 283.00 450.50 1838.84
1903 420.00 459.00 186.00 47.00 8.50 0.00 0.00 0.00 0.00 8.00 96.00 370.50 1595.00
1904 531.00 204.50 125.50 66.50 4.50 0.00 0.00 0.00 0.50 22.50 112.00 387.00 1454.00
1905 298.93 c 255.00 173.00 75.00 36.00 0.00 0.00 0.00 0.00 18.50 199.00 467.00 1522.43
1906 452.50 232.50 157.00 108.50 1.00 0.00 0.00 0.00 0.00 49.60 a 252.50 344.00 1597.60
1907 400.00 198.50 197.00 37.50 1.50 0.00 0.00 0.00 0.00 1.00 176.50 418.50 1430.50
1908 418.50 336.50 149.50 34.50 10.00 2.50 0.00 0.00 0.00 88.50 194.50 425.00 1659.50
1909 372.50 372.50 252.50 41.00 5.50 0.00 0.00 0.00 0.00 11.00 201.00 529.00 1785.00
1910 417.00 307.00 32.00 24.50 0.00 0.00 0.00 0.00 0.00 22.00 217.50 306.50 1326.50
1911 288.00 355.00 93.50 38.00 4.00 0.00 0.00 0.00 a 0.00 27.50 230.00 601.50 1637.50
1912 423.00 330.00 284.50 148.00 29.00 0.00 0.00 0.00 0.00 85.50 0.00 z 0.00 z 1300.00
1913 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
1914 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
1915 519.77 a 353.50 242.50 51.50 54.00 0.00 0.00 0.00 2.00 17.50 251.50 492.50 1984.77
1916 462.00 210.00 129.00 56.00 6.00 0.00 0.00 0.00 0.00 41.00 250.50 530.62 a 1685.12
1917 461.00 293.00 275.00 89.00 9.00 0.00 0.00 0.00 0.00 34.50 177.00 370.50 1709.00
1918 527.52 a 330.30 a 166.88 a 72.32 b 11.76 b 0.00 0.00 b 0.00 0.00 d 48.57 a 297.32 b 522.00 1976.66
1919 482.88 e 453.00 313.10 a 56.00 5.50 0.00 b 0.00 b 0.00 0.00 a 63.03 a 263.57 b 295.50 f 1637.09
1920 432.21 e 276.50 277.40 b 130.50 1.72 d 0.00 0.00 0.00 g 1.11 c 107.98 a 251.90 a 576.17 b 2055.49
1921 403.00 f 286.00 96.74 b 102.12 d 31.00 d 0.00 0.00 d 0.00 0.00 b 43.00 215.56 c 228.00 j 774.41
1922 546.24 b 354.00 367.00 169.00 22.96 d 0.00 b 0.00 0.00 0.00 48.00 f 391.73 d 360.12 a 2211.05
1923 355.50 332.77 b 281.00 87.86 b 2.07 a 0.00 a 0.00 0.00 7.50 d 76.50 0.00 z 465.50 1608.69
1924 520.50 275.50 344.50 109.00 0.00 f 0.00 h 0.00 a 0.00 b 0.00 b 10.16 b 209.00 f 537.33 d 1796.99
1925 566.27 a 272.72 c 187.50 118.00 0.00 0.00 0.00 h 0.00 0.00 24.05 b 113.50 o 408.17 a 1576.71
1926 564.41 b 285.48 e 103.13 e 41.54 d 4.28 b 0.00 e 0.00 0.00 h 0.00 9.96 c 196.50 500.02 d 1705.32
1927 375.50 278.32 c 321.00 131.11 c 21.00 0.00 g 0.00 c 0.00 b 0.00 x 14.50 133.00 483.50 1757.93
1928 446.50 351.35 c 127.50 85.34 a 1.50 0.00 c 0.00 d 0.00 0.00 e 33.50 227.50 461.42 e 1734.61
1929 532.50 422.00 254.50 110.50 0.00 b 0.00 a 0.00 0.00 0.00 c 81.50 306.00 357.57 b 2064.57
1930 487.50 225.00 215.00 38.00 53.98 b 0.00 0.00 0.00 0.00 22.98 b 238.00 476.50 1756.97
1931 461.68 c 291.00 234.64 b 19.00 0.00 b 0.00 z 0.00 d 0.00 0.00 6.50 m 345.50 574.69 e 1926.51
1932 670.50 339.94 b 257.00 79.04 d 18.50 3.75 b 0.00 0.00 0.00 49.00 179.00 609.31 b 2206.04
1933 594.88 b 519.00 241.05 b 135.54 b 78.00 0.00 b 0.00 0.00 0.00 b 0.00 148.00 431.50 2147.97
1934 430.56 d 196.00 b 26.19 b 3.50 g 2.30 d 0.00 b 0.00 h 0.00 a 0.00 a 22.98 b 238.45 a 381.00 1297.47
1935 404.00 274.00 315.34 b 57.86 b 20.31 b 0.00 c 0.00 e 0.00 a 0.00 c 57.02 c 317.88 d 343.50 g 1446.41
1936 492.12 c 330.71 c 53.50 i 55.38 d 1.60 b 0.00 a 0.00 0.00 0.00 14.00 150.00 421.08 a 1464.91
1937 722.00 345.85 a 241.50 64.66 a 0.00 0.00 0.00 a 0.00 i 0.00 c 0.00 190.50 316.50 1881.01
1938 334.50 g 316.50 274.00 64.00 11.37 a 0.00 0.00 0.00 0.00 37.00 386.50 391.00 1480.37
1939 476.50 538.00 192.00 28.50 0.50 0.00 0.00 0.00 0.00 28.42 a 123.50 351.52 c 1738.93
1940 387.50 351.50 160.50 60.00 0.00 0.00 0.00 a 0.00 0.00 27.50 234.00 302.00 1523.00
1941 366.00 232.00 223.50 143.00 17.50 0.00 0.00 0.00 0.00 64.50 165.50 416.50 1628.50
1942 422.50 414.50 283.50 77.50 9.50 0.00 0.00 0.00 0.00 27.50 126.50 378.50 1740.00
1943 454.00 237.00 150.50 50.00 1.50 0.00 0.00 0.00 0.00 41.00 204.00 430.50 1568.50
1944 509.00 426.50 302.00 113.00 6.50 0.00 0.00 0.00 0.00 0.00 309.50 448.00 2114.50
1945 522.35 a 253.00 j 331.00 126.50 2.50 0.00 0.00 0.00 0.00 5.50 251.00 503.00 1741.85
1946 501.00 398.00 203.50 29.50 0.00 0.00 0.00 0.00 0.00 b 64.50 370.50 339.81 e 1906.81
1947 521.04 e 247.50 167.00 76.50 2.00 0.00 a 0.00 a 0.00 0.00 17.50 322.50 500.50 1854.54
1948 473.00 403.00 366.50 77.00 5.34 b 0.00 0.00 0.00 0.00 12.00 315.00 475.00 2126.84
1949 674.50 399.00 224.00 72.50 1.00 0.00 0.00 0.00 0.00 81.50 72.50 432.50 1957.50
1950 507.50 223.00 164.00 26.00 15.00 0.00 0.00 0.00 5.00 0.00 93.50 272.50 1306.50
1951 462.00 318.89 a 197.00 53.50 34.62 a 0.00 0.00 a 0.00 0.00 14.00 207.00 448.50 1735.51
1952 487.00 381.00 363.50 69.83 a 0.00 0.00 0.00 0.00 0.00 0.00 a 281.50 487.50 2070.33
1953 395.00 389.50 180.50 66.50 40.00 0.00 0.00 0.00 0.00 26.87 a 139.82 b 488.00 1726.19
1954 406.00 111.00 204.00 11.50 9.50 0.00 0.00 0.00 0.00 30.50 116.00 420.00 1308.50
1955 570.50 445.50 190.50 81.50 16.50 0.00 0.00 0.00 0.00 a 4.00 225.00 333.50 1867.00
1956 371.00 493.00 171.00 83.50 0.00 0.00 0.00 0.00 0.00 51.00 264.00 423.00 1856.50
1957 380.00 176.00 168.00 70.50 17.00 0.00 0.00 a 0.00 0.00 29.93 b 285.00 a 365.28 a 1491.71
1958 427.00 235.00 266.00 h 91.50 0.00 0.00 b 0.00 0.00 0.00 a 10.85 a 151.50 285.50 1201.35
1959 383.00 345.00 134.50 2.50 13.95 a 0.00 0.00 a 0.00 a 0.00 35.00 151.00 376.00 1440.95
1960 541.50 476.50 101.00 38.50 2.50 0.00 a 0.00 0.00 0.00 23.25 a 173.00 420.00 1776.25
1961 309.00 259.50 174.00 28.00 0.50 0.00 0.00 0.00 a 0.00 50.00 284.50 409.50 1515.00
1962 453.00 266.50 320.00 3.00 2.50 0.00 a 0.00 c 0.00 0.00 5.17 a 110.00 292.00 1452.17
1963 514.50 175.00 207.00 105.00 0.00 0.00 0.00 0.00 0.00 2.00 147.00 374.50 1525.00
1964 557.47 b 453.50 298.50 82.50 17.10 b 0.00 0.00 0.00 0.00 0.00 263.00 371.50 2043.57
1965 379.00 320.00 254.50 125.50 22.00 0.00 0.00 a 0.00 c 1.03 a 18.17 b 112.00 359.50 1591.71
1966 510.43 b 405.48 a 129.50 17.50 0.00 b 0.00 0.00 a 0.00 0.00 9.82 a 131.38 a 368.90 a 1573.01
1967 444.50 239.00 124.50 111.21 a 19.50 0.00 0.00 a 0.00 0.00 11.00 72.41 a 510.00 1532.12
1968 382.00 163.00 195.50 72.00 0.00 0.00 0.00 0.00 0.00 3.00 181.00 510.00 1506.50
1969 323.00 345.00 303.00 26.00 14.50 0.00 a 0.00 0.00 0.00 27.00 106.50 317.50 1462.50
1970 442.50 202.00 217.50 102.50 4.50 0.00 a 0.00 a 0.00 0.00 39.50 157.50 428.00 1594.00
1971 443.00 294.50 166.00 74.50 11.50 0.00 0.00 0.00 0.00 91.50 214.50 485.50 1781.00
1972 448.00 230.50 55.00 37.00 0.00 0.00 0.00 0.00 0.00 67.50 299.00 480.50 1617.50
1973 508.00 291.50 351.00 86.50 9.00 0.00 0.00 0.00 0.00 13.00 210.50 380.00 1849.50
1974 406.00 315.00 133.00 27.00 5.50 0.00 0.00 0.00 0.00 28.50 167.50 492.90 a 1575.40
1975 443.50 342.00 219.50 163.00 22.50 0.00 0.00 0.00 0.00 29.00 170.00 356.00 1745.50
1976 374.50 192.00 186.50 80.50 0.00 0.00 0.00 0.00 0.00 35.13 a 143.50 372.50 1384.63
1977 400.00 215.00 250.50 54.50 8.00 0.00 0.00 0.00 0.00 0.00 102.50 249.50 1280.00
1978 375.50 253.50 117.00 52.50 3.00 0.00 0.00 0.00 0.00 7.50 175.50 445.00 1429.50
1979 520.50 305.50 195.50 46.50 5.50 0.00 0.00 0.00 0.00 15.00 211.00 272.50 1572.00
1980 297.50 180.00 203.00 61.50 10.00 0.00 0.00 0.00 a 0.00 37.50 163.39 b 195.00 1147.89
1981 251.00 201.50 165.00 18.50 0.00 0.00 0.00 0.00 0.00 9.00 88.50 283.50 1017.00
1982 398.00 224.50 177.50 31.00 0.00 0.00 0.00 0.00 0.00 7.50 176.00 399.00 1413.50
1983 335.00 279.50 200.50 103.00 8.00 0.00 0.00 0.00 0.00 0.00 195.00 354.00 1475.00
1984 339.50 236.00 67.50 72.00 0.50 0.00 0.00 0.00 0.00 28.00 183.50 425.50 1352.50
1985 407.00 304.50 154.00 18.00 0.00 0.00 0.00 0.00 0.00 1.50 218.28 a 362.00 1465.28
1986 201.50 212.00 86.91 c 17.00 5.00 0.00 0.00 a 0.00 i 0.00 3.50 93.00 321.00 939.91
1987 374.00 230.00 147.00 6.00 0.00 0.00 0.00 0.00 0.00 0.00 156.50 435.00 1348.50
1988 372.00 153.50 111.00 35.00 5.50 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 677.00
1989 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
1990 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
1991 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
1992 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
1993 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
1994 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
1995 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
1996 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
1997 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
1998 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
1999 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
2000 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
2001 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
2002 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
2003 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
2004 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
2005 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
2006 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
2007 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
2008 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
2009 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
2010 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
2011 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
2012 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
2013 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
Period of Record Statistics
MEAN 444.50 305.15 205.54 68.17 10.14 0.18 0.00 0.00 0.23 29.06 202.15 417.12 1658.66
S.D. 91.20 89.36 80.95 38.50 13.96 1.16 0.00 0.00 1.03 26.04 74.68 83.64 256.74
SKEW 0.29 0.39 0.11 0.49 2.36 7.40 0.00 0.00 5.51 0.99 0.41 0.01 0.12
MAX 722.00 538.00 367.00 169.00 78.00 10.00 0.00 0.00 7.50 107.98 391.73 609.31 2206.04
MIN 201.50 111.00 26.19 2.50 0.00 0.00 0.00 0.00 0.00 0.00 72.41 195.00 1017.00
NO YRS 88 89 89 90 89 88 89 86 88 88 86 86 70