ROOSEVELT 1 WNW, ARIZONA

Monthly Total Heating Degree Days

(027281)

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
1905 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 s 0.00 a 4.50 11.00 229.00 603.00 847.50
1906 534.00 231.50 123.43 d 25.50 0.00 z 0.00 z 0.00 a 0.00 0.00 91.00 180.00 382.00 1567.43
1907 0.00 z 279.48 a 394.50 152.50 40.50 0.00 0.00 0.00 6.50 141.50 247.00 369.00 l 1261.98
1908 660.50 487.50 320.00 78.00 9.50 0.00 0.00 0.00 0.00 144.00 274.50 540.50 2514.50
1909 480.00 437.00 261.00 50.00 0.00 0.00 0.00 0.00 0.00 5.50 206.50 588.00 2028.00
1910 525.00 354.00 58.00 25.50 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 962.50
1911 388.50 369.50 107.50 38.00 0.00 0.00 0.00 0.00 0.00 19.00 185.50 h 646.00 1568.50
1912 503.00 345.50 273.00 123.50 3.50 0.00 0.00 z 0.00 0.00 47.50 259.00 597.55 b 2152.55
1913 640.31 b 414.50 289.00 30.00 1.50 0.00 0.00 s 0.00 d 0.00 4.50 o 160.18 b 577.50 2112.99
1914 492.50 410.00 149.32 a 10.00 3.50 0.00 0.00 0.00 0.00 40.00 0.00 z 0.00 z 1105.32
1915 482.50 g 394.00 295.50 83.00 86.00 2.59 a 0.00 b 0.00 e 0.00 0.00 a 242.68 b 501.00 1604.76
1916 548.50 282.00 147.50 67.50 0.00 0.00 c 0.00 0.00 0.00 18.50 248.00 559.00 1871.00
1917 565.00 407.04 a 299.50 123.62 a 24.50 0.00 0.00 0.00 0.00 6.00 120.00 275.50 1821.16
1918 476.33 e 358.50 189.50 23.00 0.00 d 0.00 z 0.00 z 0.00 z 0.00 37.72 a 271.15 d 587.50 1943.70
1919 594.50 516.50 301.06 e 48.60 e 0.00 z 0.00 z 0.00 0.00 b 0.00 i 32.03 a 291.50 447.43 a 2231.62
1920 496.00 b 308.00 295.53 a 118.20 e 0.00 a 0.00 e 0.00 e 0.00 e 0.00 a 88.83 e 267.22 c 547.87 e 2121.65
1921 261.50 p 321.39 e 95.07 a 99.31 a 21.50 0.00 0.00 b 0.00 0.00 44.50 132.00 413.50 1127.27
1922 572.43 b 428.50 360.63 a 190.34 a 21.00 0.00 a 0.00 a 0.00 a 0.00 35.13 a 337.76 a 440.72 a 2386.52
1923 446.83 b 422.07 a 329.00 67.24 a 0.00 b 0.00 0.00 f 0.00 a 0.00 39.00 259.50 556.40 b 2120.04
1924 556.97 a 279.00 345.50 79.62 d 0.00 i 0.00 0.00 0.00 0.00 2.00 73.50 k 603.97 b 1867.05
1925 0.00 z 374.37 a 86.00 i 93.00 0.00 0.00 0.00 a 0.00 0.00 81.50 325.00 556.85 d 1430.72
1926 641.00 306.50 156.50 100.00 0.00 0.00 0.00 0.00 0.00 0.50 195.00 534.00 1933.50
1927 442.50 317.50 253.50 142.50 18.00 0.00 0.00 0.00 0.00 17.50 94.00 495.00 1780.50
1928 471.50 397.50 152.00 90.00 2.50 0.00 0.00 0.00 0.00 28.50 281.00 592.00 2015.00
1929 620.50 492.50 313.00 106.00 0.00 0.00 0.00 0.00 0.00 49.50 256.00 452.00 2289.50
1930 582.00 250.50 265.00 39.00 66.50 0.00 0.00 0.00 0.00 29.00 320.50 581.00 2133.50
1931 570.00 338.50 220.50 23.50 0.50 0.00 0.00 0.00 0.00 31.50 371.50 692.73 e 2248.73
1932 728.50 439.00 231.00 76.00 6.00 0.00 0.00 0.00 0.00 44.50 184.00 575.50 2284.50
1933 502.50 g 553.50 211.00 117.50 70.00 0.00 0.00 0.00 0.00 0.00 139.50 471.00 1562.50
1934 481.00 244.00 63.00 22.50 4.50 0.00 0.00 0.00 0.00 6.50 233.00 504.50 1559.00
1935 542.50 363.50 353.50 61.00 39.00 0.00 0.00 0.00 0.00 24.00 331.00 479.50 2194.00
1936 543.50 410.50 183.50 66.00 0.50 0.00 0.00 0.00 0.00 14.00 222.00 490.50 1930.50
1937 768.50 456.50 299.00 72.00 5.17 d 0.00 0.00 0.00 0.00 0.00 166.50 390.00 2157.67
1938 417.50 362.50 251.50 78.00 10.00 0.00 0.00 0.00 0.00 16.50 418.50 452.50 2007.00
1939 558.00 598.50 266.50 43.00 0.00 0.00 0.00 0.00 0.00 53.50 227.50 429.50 2176.50
1940 494.50 373.50 174.00 54.50 0.00 0.00 0.00 0.00 0.00 40.00 309.50 430.50 1876.50
1941 479.50 298.00 236.00 177.00 26.87 a 0.00 0.00 0.00 0.00 28.50 157.00 408.50 1811.37
1942 437.00 393.50 295.50 54.50 20.50 0.00 0.00 0.00 0.00 18.00 93.50 361.00 1673.50
1943 473.00 267.50 171.00 52.00 0.00 0.00 0.00 0.00 0.00 18.00 106.00 371.50 1459.00
1944 533.50 446.50 331.00 130.50 6.20 a 0.00 0.00 0.00 0.00 a 0.00 263.50 444.00 2155.20
1945 510.47 a 334.50 383.50 144.50 0.00 0.00 0.00 0.00 0.00 2.50 182.50 518.50 2076.47
1946 427.50 g 405.50 243.00 25.00 2.00 0.00 0.00 0.00 0.00 22.50 352.00 440.00 1490.00
1947 595.50 284.00 217.00 68.50 4.50 0.00 0.00 0.00 0.00 23.00 384.31 a 550.00 2126.81
1948 545.50 464.00 440.00 56.00 0.00 0.00 0.00 a 0.00 0.00 23.50 397.50 539.00 2465.50
1949 705.50 447.50 235.00 56.50 0.00 0.00 0.00 d 0.00 0.00 87.83 a 109.00 482.50 2123.83
1950 533.00 229.00 142.00 8.00 0.00 z 0.00 z 0.00 r 0.00 4.00 0.00 149.50 230.00 k 1065.50
1951 509.50 365.50 268.50 85.50 44.50 0.00 0.00 0.00 0.00 25.00 283.50 591.58 a 2173.58
1952 318.00 p 446.00 383.50 57.00 0.00 0.00 0.00 a 0.00 0.00 0.00 297.50 517.50 1701.50
1953 444.50 374.00 221.50 45.00 a 27.00 k 0.00 0.00 0.00 g 0.00 12.50 150.50 482.50 1730.50
1954 463.50 172.00 251.50 9.00 11.50 0.00 0.00 0.00 0.00 16.00 100.50 447.00 1471.00
1955 599.50 459.50 201.50 69.50 11.50 0.00 0.00 0.00 0.00 0.00 246.00 440.50 2028.00
1956 453.00 520.50 182.50 81.00 0.00 0.00 0.00 0.00 0.00 66.50 396.00 538.00 2237.50
1957 474.50 202.50 200.50 73.50 22.50 0.00 0.00 0.00 0.00 72.50 389.00 492.00 1927.00
1958 530.00 330.00 399.50 125.50 0.00 0.00 0.00 0.00 0.00 10.00 256.00 388.00 2039.00
1959 443.00 387.50 157.50 3.50 10.00 0.00 0.00 0.00 0.00 42.50 268.50 490.50 1803.00
1960 679.50 473.50 146.50 24.00 4.50 0.00 0.00 0.00 0.00 39.02 b 219.50 507.50 2094.02
1961 448.00 288.00 216.50 34.50 0.00 0.00 0.00 0.00 0.00 a 40.00 266.50 469.50 1763.00
1962 505.00 349.50 368.00 7.50 0.50 0.00 0.00 0.00 0.00 5.00 129.00 367.50 1732.00
1963 607.00 255.00 233.50 93.50 0.00 0.00 0.00 0.00 0.00 2.00 216.00 480.50 1887.50
1964 622.50 487.50 360.00 115.50 28.42 a 0.00 0.00 0.00 1.00 0.00 323.00 527.50 2465.42
1965 502.50 393.50 305.50 129.50 16.00 0.00 0.00 0.00 1.00 6.00 138.50 502.50 1995.00
1966 595.00 479.00 191.50 14.50 0.00 a 0.00 0.00 0.00 0.00 4.00 164.50 467.50 1916.00
1967 570.00 310.00 118.46 c 111.50 11.50 0.00 0.00 0.00 0.00 6.00 108.50 603.00 1838.96
1968 532.50 259.50 239.00 99.50 6.00 0.00 0.00 0.00 0.00 1.00 215.50 605.50 1958.50
1969 425.00 413.50 341.00 22.00 23.00 0.00 0.00 0.00 0.00 44.00 241.50 460.50 1970.50
1970 562.50 296.00 280.50 156.00 9.00 0.00 0.00 b 0.00 0.00 55.50 238.50 516.50 2114.50
1971 552.50 350.50 207.00 75.50 7.00 0.00 0.00 0.00 1.00 131.00 297.00 595.50 2217.00
1972 558.00 a 315.00 58.00 37.00 0.00 0.00 0.00 a 0.00 0.00 a 79.50 0.00 z 606.64 b 1654.14
1973 635.50 433.48 a 0.00 z 157.50 17.00 1.55 a 0.00 0.00 0.00 14.00 289.00 476.92 e 2024.96
1974 563.68 a 449.50 236.50 71.50 0.00 d 0.00 b 0.00 0.00 0.00 d 44.90 b 310.50 636.53 a 2313.11
1975 596.75 a 458.00 350.19 d 247.00 34.00 0.00 0.00 c 0.00 z 0.50 51.48 c 260.50 g 576.50 2314.42
1976 569.00 365.50 330.50 130.18 b 3.50 0.00 0.00 0.00 0.00 c 72.69 b 313.39 b 594.17 a 2378.93
1977 629.82 a 375.41 a 438.50 110.50 20.48 c 0.00 0.00 0.00 h 0.00 g 9.54 e 202.78 c 399.42 e 2186.45
1978 473.61 d 338.15 b 209.52 b 58.45 a 28.00 3.00 0.00 0.00 0.00 20.50 259.50 597.00 1987.73
1979 659.55 b 441.50 326.02 a 98.50 28.00 0.00 b 0.00 0.00 0.00 20.00 310.50 459.32 a 2343.39
1980 467.50 332.50 314.50 106.00 20.50 0.00 0.00 0.00 0.00 48.50 f 190.50 314.50 1746.00
1981 368.50 281.56 a 248.50 32.50 0.00 0.00 0.00 0.00 0.00 16.53 a 172.50 411.50 1531.59
1982 520.00 340.00 276.50 64.00 11.00 0.00 0.00 0.00 0.00 14.00 255.50 515.00 1996.00
1983 484.50 371.00 302.00 176.00 17.00 0.00 0.00 0.00 1.00 2.00 257.50 470.50 2081.50
1984 487.50 379.00 150.00 100.50 12.00 0.00 0.00 0.00 0.00 62.50 235.00 512.00 1938.50
1985 515.00 425.00 279.00 51.50 1.50 0.00 0.00 0.00 1.50 17.00 266.50 480.50 2037.50
1986 390.00 230.00 n 137.50 f 34.00 2.00 0.00 0.00 0.00 0.00 38.00 220.50 488.50 1173.00
1987 542.00 356.00 305.50 38.50 1.00 0.00 0.00 0.00 0.00 0.00 228.50 577.00 2048.50
1988 533.50 307.00 180.00 75.50 26.00 0.00 0.00 0.00 0.00 0.00 219.00 477.00 1818.00
1989 518.00 304.50 114.50 5.00 0.00 0.00 0.00 0.00 0.00 25.00 159.50 481.00 1607.50
1990 523.00 435.50 205.00 25.50 1.50 0.00 0.00 0.00 0.00 0.00 215.50 571.50 1977.50
1991 508.00 242.50 364.50 50.17 a 6.50 0.50 0.00 0.00 0.00 49.00 267.00 464.00 1952.17
1992 528.00 302.00 253.00 21.00 3.00 0.00 0.00 0.00 a 0.00 2.00 311.50 519.25 a 1939.75
1993 437.50 371.50 169.00 32.00 0.00 m 0.00 0.00 0.00 0.00 16.50 287.68 b 494.00 1808.18
1994 480.00 397.00 154.50 56.50 3.50 0.00 0.00 a 0.00 0.00 44.00 356.00 453.50 1945.00
1995 513.50 225.50 179.50 0.00 z 26.00 0.00 z 0.00 0.00 0.00 1.00 82.00 383.00 1410.50
1996 428.50 205.50 154.50 5.00 0.00 z 0.00 0.00 0.00 a 0.00 89.00 207.00 453.00 1542.50
1997 493.50 342.50 96.62 a 75.00 0.00 0.00 0.00 a 0.00 a 0.00 51.00 195.50 544.00 1798.12
1998 450.00 447.50 278.48 a 169.50 7.50 0.00 z 0.00 0.00 0.00 25.50 225.00 459.50 2062.98
1999 454.50 291.50 145.50 167.00 19.00 0.50 0.00 0.00 0.00 a 11.50 133.50 508.92 a 1731.92
2000 455.50 265.66 a 187.00 24.00 0.50 0.00 0.00 0.00 0.00 68.00 418.00 482.57 a 1901.23
2001 552.00 403.50 204.00 100.34 a 0.50 0.00 0.00 0.00 0.00 0.50 156.00 573.50 d 1990.34
2002 470.50 323.50 191.00 8.50 0.50 0.00 0.00 0.00 0.00 30.00 169.00 498.50 1691.50
2003 307.50 335.00 186.50 73.00 0.00 0.00 0.00 0.00 0.00 1.50 240.50 497.00 1641.00
2004 482.00 416.50 91.50 33.00 0.00 0.00 0.00 0.00 0.00 38.00 278.50 482.50 1822.00
2005 444.00 316.00 207.50 40.50 0.00 0.00 0.00 0.00 0.00 0.00 139.50 410.00 1557.50
2006 421.50 238.50 265.50 23.00 0.00 0.00 0.00 0.00 0.00 13.00 139.00 520.50 1621.00
2007 574.00 347.00 132.50 40.00 0.00 0.00 0.00 h 0.00 0.00 1.00 116.00 576.50 1787.00
2008 570.00 426.00 192.50 29.00 29.50 0.00 0.00 0.00 0.00 19.50 172.00 525.00 1963.50
2009 452.00 358.00 173.50 87.50 1.00 0.00 0.00 0.00 0.00 52.50 186.00 590.00 1900.50
2010 536.00 415.00 294.00 70.00 19.00 0.00 0.00 0.00 0.00 13.50 208.50 341.60 e 1897.60
2011 465.00 b 417.85 b 110.10 b 33.21 b 5.50 0.00 a 0.00 c 0.00 b 0.00 e 9.00 206.67 c 535.55 b 1782.88
2012 421.27 c 298.29 a 196.85 a 33.62 a 0.00 c 0.00 e 0.00 a 0.00 0.00 b 2.00 138.21 b 197.50 n 1090.24
2013 346.00 o 455.58 d 128.28 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 18.00 z 583.86
Period of Record Statistics
MEAN 521.55 365.03 235.02 71.84 10.46 0.08 0.00 0.00 0.20 29.22 232.16 500.57 1974.32
S.D. 78.34 81.28 86.89 48.23 15.75 0.42 0.00 0.00 0.88 30.72 79.44 76.20 236.58
SKEW 0.46 0.08 0.15 0.91 2.39 5.81 0.00 0.00 5.47 1.60 0.25 -0.26 0.04
MAX 768.50 598.50 440.00 247.00 86.00 3.00 0.00 0.00 6.50 144.00 418.50 692.73 2514.50
MIN 307.50 172.00 58.00 3.50 0.00 0.00 0.00 0.00 0.00 0.00 82.00 275.50 1459.00
NO YRS 100 107 105 106 100 101 101 104 105 105 102 103 76