DATELAND WHITEWING RCH, ARIZONA

Monthly Total Heating Degree Days

(022434)

Base Temperature = 65 F

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201005
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
1972 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 e 0.00 0.00 b 0.00 48.00 f 260.36 b 387.50 647.86
1973 443.50 196.50 285.95 b 54.44 c 2.50 0.00 0.00 a 0.00 b 0.00 0.50 j 171.00 i 337.00 1319.89
1974 369.86 b 204.50 f 100.00 6.50 h 1.00 0.00 a 0.00 0.00 g 0.00 18.00 146.25 b 485.50 1120.61
1975 404.50 328.74 a 214.70 d 143.00 17.50 0.00 z 0.00 c 0.00 k 0.00 j 17.00 h 207.69 d 388.00 1704.14
1976 379.23 a 177.50 191.88 b 78.00 i 5.00 g 0.00 f 0.00 g 0.00 f 0.00 11.92 e 128.00 353.00 1241.54
1977 373.07 b 190.81 a 238.00 41.50 20.48 c 0.00 a 0.00 c 0.00 0.00 b 1.00 95.00 251.50 1211.37
1978 327.00 214.00 89.00 0.00 z 0.00 0.00 0.00 0.00 0.00 2.07 a 192.00 471.00 1295.07
1979 514.00 301.00 181.50 35.00 2.50 0.00 0.00 0.00 a 0.00 12.00 275.50 338.00 1659.50
1980 311.60 b 170.50 193.00 58.00 3.50 0.00 0.00 0.00 0.00 27.50 135.54 b 229.50 1129.14
1981 257.00 184.50 138.50 17.14 b 0.00 0.00 e 0.00 0.00 a 0.00 33.50 115.34 a 307.50 1053.49
1982 401.50 126.50 159.50 30.50 2.00 0.00 m 0.00 0.00 0.00 20.00 186.50 388.50 1315.00
1983 333.00 233.00 144.00 78.50 2.00 0.00 0.00 m 0.00 0.00 0.00 179.00 246.00 1215.50
1984 259.00 226.00 72.00 45.50 1.00 0.00 z 0.00 i 0.00 0.00 a 28.50 156.50 357.00 1145.50
1985 375.00 268.50 150.50 1.50 0.53 b 0.00 0.00 z 0.00 n 0.00 0.50 214.00 341.00 1351.53
1986 152.00 183.00 67.50 i 15.50 4.50 0.00 a 0.00 0.00 k 1.50 1.50 m 95.50 325.00 777.00
1987 369.50 52.50 q 144.00 5.50 0.00 z 0.00 0.00 t 0.00 n 0.00 a 0.00 147.50 442.50 1109.00
1988 194.50 o 152.52 b 99.00 k 0.00 z 0.00 p 0.00 0.00 0.00 0.00 0.00 k 195.00 375.00 722.52
1989 415.50 247.00 63.00 6.50 0.50 0.00 0.00 0.00 0.00 27.00 86.00 341.00 1186.50
1990 401.00 339.50 121.50 5.00 6.00 0.00 0.00 0.00 0.00 0.00 112.50 470.00 1455.50
1991 354.00 101.50 242.50 36.50 7.00 0.00 0.00 0.00 0.00 53.00 130.00 264.50 1189.00
1992 321.00 141.00 118.50 1.50 0.00 0.00 0.00 0.00 0.00 0.00 191.50 448.50 1222.00
1993 299.50 258.50 67.50 5.50 0.00 0.00 0.00 0.00 0.00 0.00 z 188.00 372.50 1191.50
1994 337.00 279.50 34.00 5.00 0.00 0.00 0.00 0.00 0.00 0.00 167.00 320.00 1142.50
1995 310.50 73.50 60.50 63.50 17.50 0.00 0.00 0.00 0.00 5.00 11.00 238.00 779.50
1996 271.00 137.50 98.50 1.00 1.50 0.00 0.00 0.00 0.00 63.00 88.00 301.50 962.00
1997 276.00 235.50 43.00 45.00 0.00 0.00 0.00 0.00 0.00 10.50 112.50 410.00 1132.50
1998 293.00 293.00 153.50 111.00 2.50 0.00 z 0.00 0.00 0.00 3.50 109.00 369.50 1335.00
1999 269.50 177.50 112.00 129.00 6.00 0.00 0.00 e 0.00 0.00 0.00 91.00 354.00 1139.00
2000 281.00 196.00 98.50 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 575.50
2001 0.00 z 0.00 z 65.00 h 49.00 f 0.00 b 0.00 f 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 6.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 269.00 m 6.50
2003 113.50 k 241.65 e 70.00 k 40.00 j 0.00 k 0.00 h 0.00 h 0.00 k 0.00 g 0.00 h 151.00 i 274.50 i 241.65
2004 209.50 j 192.50 h 35.00 g 3.00 i 0.00 0.00 0.00 0.00 0.00 41.00 226.50 353.50 621.00
2005 299.50 205.00 139.50 22.50 0.00 0.00 z 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 666.50
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 75.00 33.50 0.00 0.00 0.00 0.00 0.00 0.00 72.00 475.00 655.50
2008 395.00 245.00 91.00 3.50 6.20 a 0.00 0.00 0.00 0.00 15.50 70.00 0.00 z 826.20
2009 258.85 a 208.50 105.00 32.00 0.00 0.00 0.00 0.00 0.00 z 32.50 112.50 414.50 1163.85
2010 281.50 200.50 142.50 46.00 5.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 676.00
Period of Record Statistics
MEAN 333.34 210.77 131.24 37.23 3.56 0.00 0.00 0.00 0.05 15.61 145.07 359.87 1174.00
S.D. 70.64 62.79 61.21 38.06 5.46 0.00 0.00 0.00 0.27 17.89 59.82 71.42 212.15
SKEW 0.09 0.03 0.64 1.37 2.03 0.00 0.00 0.00 5.20 1.08 0.19 -0.03 0.58
MAX 514.00 339.50 285.95 143.00 20.48 0.00 0.00 0.00 1.50 63.00 275.50 485.50 1659.50
MIN 152.00 73.50 34.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 11.00 229.50 779.50
NO YRS 31 31 31 29 31 27 28 26 30 26 31 31 13