QUARTZSITE, ARIZONA

Monthly Total Heating Degree Days

(026865)

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
1908 0.00 z 0.00 z 0.00 z 0.00 z 1.00 m 0.00 0.00 0.00 0.00 97.00 127.00 465.00 689.00
1909 162.50 294.50 283.00 14.50 0.00 0.00 0.00 0.00 0.00 12.00 247.00 611.50 1625.00
1910 527.50 353.00 44.00 16.00 0.00 0.00 0.00 0.00 0.00 16.50 185.00 366.50 1508.50
1911 352.00 373.50 151.00 16.00 5.00 0.00 0.00 0.00 0.00 19.00 290.50 639.50 1846.50
1912 473.50 339.50 180.50 63.00 6.00 0.00 0.00 0.00 0.00 66.50 230.50 590.50 1950.00
1913 623.00 369.50 314.00 31.50 11.00 0.00 0.00 0.00 0.50 16.00 171.00 536.00 2072.50
1914 388.50 345.00 82.00 18.50 1.00 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 835.00
1915 0.00 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
1916 0.00 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
1917 0.00 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
1918 0.00 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
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 z 0.00 z 0.00 z 0.00 z 0.00
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 d 0.00 0.00 0.00 16.00 187.00 342.50 545.50
1922 585.00 345.50 250.50 116.00 13.50 0.00 b 0.00 0.00 0.00 a 5.54 c 311.00 339.50 1966.54
1923 62.50 z 359.00 205.50 20.17 a 0.00 b 0.00 0.00 a 0.00 0.00 29.89 c 163.93 b 458.28 a 1236.78
1924 580.22 a 234.59 a 202.50 f 38.89 c 0.00 0.00 0.00 0.00 0.00 36.88 b 233.00 515.50 1639.07
1925 539.92 a 182.00 131.50 49.50 0.00 0.00 0.00 0.00 0.00 14.50 287.59 a 419.00 1624.00
1926 540.00 220.89 a 52.00 6.50 0.00 a 0.00 f 0.00 a 0.00 a 0.00 3.62 a 92.00 296.50 q 915.01
1927 334.28 a 215.00 192.50 63.50 1.00 0.00 0.00 0.00 0.00 2.00 128.79 a 463.00 1400.08
1928 429.50 289.50 73.37 a 41.50 0.00 0.00 0.00 0.00 0.00 a 19.00 184.00 509.43 a 1546.30
1929 505.82 a 355.50 159.00 67.50 0.00 0.00 0.00 0.00 0.00 44.00 264.50 333.77 a 1730.08
1930 463.50 174.46 b 149.32 a 12.00 34.00 0.00 0.00 0.00 0.00 19.00 217.50 576.00 1645.78
1931 467.50 220.00 114.00 2.50 0.00 0.00 0.00 0.00 0.00 5.00 312.00 541.50 1662.50
1932 593.50 311.00 82.00 24.50 1.00 0.00 0.00 0.00 0.00 28.50 153.50 565.50 1759.50
1933 546.00 457.00 106.50 56.00 15.50 0.00 0.00 0.00 n 0.00 0.00 93.00 h 142.50 u 1181.00
1934 408.50 132.00 8.50 5.00 0.00 0.00 0.00 0.00 0.00 11.50 171.50 365.00 1102.00
1935 440.50 249.00 222.00 26.50 10.00 0.00 0.00 z 0.00 f 0.00 40.50 316.00 416.50 1721.00
1936 417.00 234.00 89.50 26.00 0.00 0.00 0.00 a 0.00 0.00 0.50 181.50 425.50 1374.00
1937 731.00 318.00 135.00 20.00 0.00 0.00 0.00 0.00 0.00 0.00 111.00 268.00 1583.00
1938 352.00 243.50 159.50 20.50 0.50 0.00 0.00 a 0.00 0.00 19.00 370.50 390.00 1555.50
1939 446.50 440.50 159.50 11.50 0.00 0.00 0.00 0.00 0.00 16.53 a 134.00 314.00 1522.53
1940 300.18 a 252.00 81.00 6.50 0.00 0.00 0.00 0.00 e 0.00 0.00 z 226.50 225.94 e 1092.13
1941 346.00 130.50 101.00 65.50 0.00 0.00 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 643.00
1942 0.00 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
1943 0.00 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
1944 0.00 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
1945 0.00 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
1946 0.00 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
1947 0.00 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
1948 0.00 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
1949 0.00 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
1950 0.00 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
1951 0.00 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
1952 0.00 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
1953 0.00 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
1954 0.00 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
1955 0.00 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
1956 0.00 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
1957 0.00 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
1958 0.00 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
1959 161.00 q 294.50 49.60 a 0.00 2.00 x 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 243.50 n 344.10
1960 543.00 329.50 73.50 17.00 0.00 0.00 0.00 0.00 0.00 10.85 a 207.12 d 498.58 a 1679.55
1961 393.70 a 212.00 97.50 11.38 a 0.00 c 0.00 0.00 0.00 b 0.00 34.00 235.00 458.50 1442.08
1962 450.00 221.00 253.50 0.00 2.50 0.00 0.00 0.00 0.00 0.00 92.50 364.50 1384.00
1963 509.00 95.00 147.50 48.00 g 0.00 d 0.00 b 0.00 0.00 0.00 0.00 151.50 473.86 c 1376.86
1964 541.00 382.00 198.50 54.64 b 22.00 0.00 d 0.00 0.00 0.00 0.00 273.00 388.57 b 1859.71
1965 369.50 240.50 169.00 91.61 b 1.50 0.00 d 0.00 b 0.00 0.00 0.00 a 99.44 c 417.97 b 1389.52
1966 521.12 b 362.38 b 113.00 11.00 0.00 0.00 c 0.00 0.00 0.00 c 10.00 144.31 a 424.00 1585.82
1967 439.00 244.00 82.00 80.50 9.00 0.00 b 0.00 b 0.00 0.00 d 2.58 a 69.00 508.50 1434.58
1968 418.00 122.50 68.50 15.00 b 0.00 0.00 a 0.00 a 0.00 0.00 0.00 145.86 a 559.15 d 1329.01
1969 274.50 296.15 b 148.50 h 1.00 h 0.00 j 0.00 i 0.00 i 0.00 j 0.00 f 17.50 i 98.50 l 217.00 k 570.65
1970 294.00 j 124.50 j 131.00 i 73.00 h 1.50 k 0.00 i 0.00 i 0.00 j 0.00 i 28.00 j 94.00 l 321.50 i 0.00
1971 335.00 f 222.50 115.70 c 16.50 h 0.00 k 0.00 h 0.00 j 0.00 g 0.00 i 23.50 l 175.00 i 400.00 h 338.20
1972 354.50 j 176.00 j 34.00 i 26.00 j 0.00 i 0.00 h 0.00 j 0.00 h 0.00 j 21.50 h 277.24 a 302.00 m 277.24
1973 494.89 c 283.50 254.20 a 43.97 a 0.00 0.00 0.00 b 0.00 z 0.00 k 0.00 b 203.00 412.00 1691.56
1974 351.50 h 276.77 b 82.00 9.50 0.00 0.00 0.00 0.00 f 0.00 a 15.50 c 120.50 h 365.00 g 383.77
1975 436.07 a 246.00 102.50 l 73.50 i 4.50 p 0.00 p 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 682.07
1976 0.00 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
1977 0.00 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
1978 0.00 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
1979 0.00 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
1980 0.00 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
1981 0.00 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
1982 0.00 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
1983 0.00 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
1984 0.00 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
1985 0.00 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
1986 0.00 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
1987 487.00 227.50 127.50 10.00 0.00 0.00 0.00 0.00 0.00 0.50 177.50 516.50 1546.50
1988 456.50 222.00 126.50 29.00 8.50 0.00 0.00 0.00 0.00 0.00 192.50 416.00 1451.00
1989 487.50 267.50 44.50 3.00 0.00 0.00 0.00 0.00 0.00 30.00 112.00 405.50 1350.00
1990 436.50 301.00 93.50 3.00 0.00 0.00 0.00 0.00 0.00 2.50 144.00 561.00 1541.50
1991 453.50 105.50 224.50 13.50 0.00 0.00 0.00 0.00 0.00 43.00 168.00 373.50 1381.50
1992 440.00 149.50 90.00 7.00 0.00 0.00 0.00 0.00 0.00 0.00 264.00 524.50 1475.00
1993 375.00 259.50 70.50 4.50 0.00 0.00 0.00 0.00 0.00 2.50 216.50 431.50 1360.00
1994 338.00 273.00 35.00 12.00 0.00 0.00 0.00 0.00 0.00 8.00 314.00 398.00 1378.00
1995 324.50 78.00 98.00 31.50 4.00 0.00 0.00 0.00 0.00 8.50 20.50 291.50 856.50
1996 286.50 113.50 57.00 0.00 0.00 0.00 0.00 0.00 0.00 75.00 103.50 326.00 961.50
1997 308.50 233.00 48.50 41.00 0.00 0.00 0.00 0.00 0.00 z 15.00 138.50 483.00 1267.50
1998 333.50 295.50 154.50 83.00 0.00 0.00 z 0.00 0.00 0.00 7.00 154.00 424.50 1452.00
1999 311.00 208.00 72.50 113.50 4.50 0.00 0.00 0.00 0.00 1.00 104.00 395.00 1209.50
2000 277.50 156.50 99.50 0.00 0.00 0.00 0.00 a 0.00 0.00 15.00 315.50 339.00 1203.00
2001 442.00 282.00 92.00 48.50 0.00 0.00 0.00 0.00 0.00 0.00 107.00 461.50 1433.00
2002 432.00 228.50 153.50 2.59 a 0.00 0.00 0.00 0.00 0.00 0.50 103.50 412.50 1333.09
2003 206.50 191.00 32.50 4.50 0.00 0.00 0.00 g 0.00 0.00 1.00 209.50 395.00 1040.00
2004 376.50 316.50 34.50 12.50 0.00 0.00 0.00 0.00 0.00 44.00 244.50 415.50 1444.00
2005 327.50 246.00 123.50 13.00 0.00 0.00 0.00 0.00 0.00 1.00 125.00 394.50 1230.50
2006 364.00 213.00 179.50 11.00 0.00 0.00 0.00 0.00 0.00 7.00 99.00 455.00 1328.50
2007 484.50 182.50 78.50 11.50 0.00 0.00 f 0.00 0.00 0.00 1.00 99.00 482.50 1339.50
2008 441.00 258.50 91.00 0.50 5.50 0.00 0.00 0.00 0.00 13.50 68.00 416.00 1294.00
2009 341.00 240.00 97.50 23.50 0.00 0.00 0.00 0.00 0.00 32.00 145.50 464.50 1344.00
2010 365.50 230.50 143.50 43.50 0.00 0.00 0.00 0.00 0.00 5.50 207.50 296.50 1292.50
2011 406.00 347.93 a 65.00 32.68 b 1.11 c 0.00 0.00 h 0.00 c 0.00 b 3.50 176.67 c 502.20 a 1535.08
2012 330.00 230.45 a 96.10 a 15.50 0.00 a 0.00 a 0.00 d 0.00 0.00 z 4.00 107.00 360.50 1143.55
2013 504.00 295.56 a 0.00 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 799.56
Period of Record Statistics
MEAN 426.25 256.17 121.25 27.69 2.49 0.00 0.00 0.00 0.01 15.05 182.44 435.42 1478.09
S.D. 102.55 80.15 65.82 27.72 5.94 0.00 0.00 0.00 0.06 19.58 75.67 87.52 243.83
SKEW 0.13 0.03 0.87 1.44 3.35 0.00 0.00 0.00 7.68 2.08 0.37 0.10 0.13
MAX 731.00 457.00 314.00 116.00 34.00 0.00 0.00 0.00 0.50 97.00 370.50 639.50 2072.50
MIN 162.50 78.00 8.50 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20.50 225.94 856.50
NO YRS 64 68 64 63 63 62 62 61 62 62 62 60 46