EHRENBERG 2 E, ARIZONA

Monthly Total Heating Degree Days

(022790)

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
1977 0.00 z 145.50 189.00 27.00 6.00 0.00 0.00 0.00 0.00 0.00 25.50 l 0.00 z 367.50
1978 188.00 l 151.00 31.50 12.00 g 0.00 c 0.00 0.00 0.00 0.00 0.00 152.50 462.00 797.00
1979 487.00 251.00 102.00 24.50 3.00 0.00 0.00 a 0.00 0.00 9.00 125.00 239.00 1240.50
1980 0.00 z 114.50 73.00 21.50 0.50 0.00 0.00 0.00 0.00 5.50 115.50 169.00 499.50
1981 196.50 145.00 83.50 3.50 0.00 0.00 0.00 0.00 0.00 4.00 60.00 215.00 707.50
1982 318.50 131.00 71.00 13.00 0.00 0.00 0.00 0.00 0.00 3.50 134.00 356.50 1027.50
1983 243.00 148.50 54.50 39.00 0.00 0.00 0.00 0.00 0.00 0.00 115.50 215.00 815.50
1984 219.00 144.50 22.50 m 15.50 0.00 0.00 0.00 0.00 0.00 5.00 133.50 347.00 864.50
1985 343.58 a 226.00 100.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 z 170.50 313.00 1153.08
1986 160.50 137.00 44.50 0.00 z 0.00 0.00 0.00 0.00 0.00 0.00 49.50 324.00 715.50
1987 373.50 159.50 74.00 7.00 0.00 z 0.00 0.00 0.00 0.00 0.00 110.50 0.00 z 724.50
1988 344.50 131.50 63.50 16.00 2.50 0.00 0.00 0.00 0.00 0.00 121.00 328.00 1007.00
1989 366.00 209.50 29.00 1.00 0.00 0.00 0.00 0.00 0.00 4.50 41.00 283.00 934.00
1990 342.50 245.00 62.50 0.00 0.00 0.00 0.00 0.00 0.00 0.00 68.50 431.50 1150.00
1991 346.00 44.50 157.50 6.00 0.00 0.00 0.00 0.00 0.00 26.00 97.50 287.50 965.00
1992 293.50 85.50 47.50 4.00 0.00 0.00 0.00 0.00 0.00 0.00 144.00 414.50 989.00
1993 298.00 183.00 31.50 0.00 0.00 0.00 0.00 0.00 0.00 0.00 133.50 354.50 1000.50
1994 244.00 201.50 18.50 6.00 0.00 0.00 0.00 0.00 0.00 1.50 239.00 343.00 1053.50
1995 290.00 45.50 70.00 22.00 4.50 0.00 0.00 0.00 0.00 0.00 13.50 240.50 686.00
1996 228.00 94.50 35.50 0.00 0.00 b 0.00 0.00 0.00 0.00 41.00 46.00 251.50 696.50
1997 237.50 159.50 28.50 18.00 0.00 0.00 0.00 0.00 0.00 2.50 81.00 381.00 908.00
1998 288.00 214.00 92.50 59.50 0.00 0.00 z 0.00 0.00 0.00 0.00 85.50 314.50 1054.00
1999 217.00 127.04 a 45.00 78.10 a 1.50 0.00 0.00 0.00 0.00 a 0.00 53.00 264.00 785.64
2000 199.00 105.64 a 63.00 0.00 0.00 0.00 0.00 a 0.00 0.00 4.13 a 0.00 z 256.55 b 628.33
2001 350.41 c 208.00 62.00 b 29.46 b 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 54.83 a 358.71 c 1063.42
2002 333.50 146.50 101.50 0.50 0.00 z 0.00 0.00 0.00 0.00 b 0.00 30.00 328.50 940.50
2003 115.50 163.50 59.50 20.50 0.00 0.00 0.00 0.00 0.00 0.00 r 0.00 z 291.00 l 359.00
2004 316.50 0.00 z 0.00 z 0.00 z 39.50 p 0.00 0.00 0.00 0.00 22.50 185.00 317.50 841.50
2005 304.00 211.00 83.00 0.00 z 0.00 0.00 0.00 0.00 0.00 1.00 70.50 335.50 1005.00
2006 272.80 a 176.50 201.00 15.00 0.00 z 0.00 0.00 z 0.00 0.00 z 0.00 z 0.00 z 377.00 1042.30
2007 0.00 z 0.00 z 75.50 0.00 z 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 75.50
2008 384.50 241.00 74.50 3.00 1.00 0.00 0.00 z 0.00 0.00 z 0.00 x 16.00 f 63.00 u 704.00
2009 0.00 z 0.00 z 0.00 z 8.50 t 0.00 j 0.00 y 0.00 v 0.00 z 0.00 z 12.00 100.00 383.50 495.50
2010 260.00 158.50 109.50 22.50 g 0.00 i 0.00 0.00 0.00 0.00 2.00 168.00 263.00 961.00
2011 325.50 a 292.00 79.64 b 20.69 a 0.00 0.00 0.00 0.00 0.00 0.00 143.50 428.00 1289.33
2012 259.00 179.50 89.00 11.50 0.00 0.00 0.00 0.00 0.00 3.00 52.50 319.00 913.50
2013 383.50 239.50 23.25 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 646.25
Period of Record Statistics
MEAN 291.90 165.18 74.29 15.94 0.66 0.00 0.00 0.00 0.00 4.90 103.14 319.40 951.12
S.D. 75.59 57.23 42.27 18.22 1.49 0.00 0.00 0.00 0.00 9.30 52.31 69.57 177.66
SKEW -0.01 -0.03 1.40 1.83 2.43 0.00 0.00 0.00 0.00 2.63 0.43 -0.03 0.18
MAX 487.00 292.00 201.00 78.10 6.00 0.00 0.00 0.00 0.00 41.00 239.00 462.00 1289.33
MIN 115.50 44.50 18.50 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13.50 169.00 686.00
NO YRS 32 34 34 29 29 32 31 33 31 30 30 31 17