QUARTZSITE, ARIZONA

Monthly Total Heating Degree Days

(026865)

Base Temperature = 65 F

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
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 364.00 213.00 178.50 10.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 765.50
Period of Record Statistics
MEAN 401.68 234.15 110.94 25.05 1.68 0.00 0.00 0.00 0.00 10.91 170.40 430.00 1385.79
S.D. 85.85 73.69 60.57 30.44 4.45 0.00 0.00 0.00 0.00 17.62 74.04 65.93 206.54
SKEW -0.25 -0.36 0.87 1.51 3.46 0.00 0.00 0.00 0.00 2.13 0.28 0.22 -0.46
MAX 543.00 382.00 254.20 113.50 22.00 0.00 0.00 0.00 0.00 75.00 315.50 561.00 1859.71
MIN 206.50 78.00 32.50 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20.50 291.50 856.50
NO YRS 32 35 33 31 31 29 29 28 28 30 30 29 24