TACNA 3 NE, ARIZONA

Monthly Total Heating Degree Days

(028396)

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
1969 0.00 z 318.50 225.00 24.00 16.50 0.00 0.00 0.00 0.00 38.00 136.50 382.50 1141.00
1970 467.00 219.50 191.00 120.00 4.00 0.00 0.00 0.00 0.00 51.50 184.00 463.50 1700.50
1971 485.50 289.00 178.00 70.50 18.50 0.00 0.00 0.00 0.00 106.50 244.00 503.50 1895.50
1972 516.50 250.00 43.50 36.50 1.50 0.00 0.00 0.00 0.00 40.00 0.00 z 477.00 1365.00
1973 517.50 283.50 260.00 85.50 11.00 0.00 0.00 0.00 0.00 14.00 222.50 395.50 1789.50
1974 424.00 317.50 123.50 29.50 7.00 0.00 0.00 0.00 0.00 11.50 189.50 509.00 1611.50
1975 459.12 b 357.00 232.50 142.00 17.00 0.00 0.00 0.00 0.00 54.00 278.50 517.50 2057.62
1976 489.50 217.00 207.00 74.00 3.50 0.00 0.00 0.00 0.00 21.00 164.00 458.50 1634.50
1977 449.50 255.50 252.00 26.90 a 8.78 a 0.00 0.00 0.00 0.00 3.00 151.50 317.50 1464.68
1978 405.50 264.00 91.50 51.00 3.10 a 0.00 0.00 0.00 0.00 4.50 223.00 545.00 1587.60
1979 568.50 344.00 221.02 d 12.50 j 9.09 b 0.00 0.00 0.00 a 0.00 b 7.75 c 265.00 402.00 1817.35
1980 353.50 204.00 186.53 b 49.82 b 6.00 0.00 a 0.00 0.00 0.00 a 26.00 191.11 c 264.00 1280.97
1981 258.00 213.11 a 156.00 27.41 a 2.50 g 0.00 d 0.00 0.00 a 0.00 b 39.78 a 109.00 313.50 1116.81
1982 419.50 187.00 169.50 31.00 3.00 0.00 0.00 0.00 0.00 28.50 202.00 423.50 1464.00
1983 359.00 223.00 110.50 92.00 5.00 0.00 0.00 0.00 0.00 0.00 173.00 294.50 1257.00
1984 336.50 283.50 101.00 72.50 0.00 0.00 0.00 0.00 0.00 57.50 244.00 424.00 1519.00
1985 420.00 356.50 221.00 16.00 2.50 0.50 0.00 0.00 0.00 4.50 232.00 430.50 1683.50
1986 272.50 224.50 91.00 31.50 6.00 0.00 0.00 0.00 4.00 11.00 170.00 425.00 1235.50
1987 489.50 269.00 202.50 21.00 1.50 0.00 0.00 0.00 0.00 0.00 194.00 502.50 1680.00
1988 446.50 187.50 133.00 30.00 6.50 0.00 0.00 0.00 0.00 0.00 199.50 422.50 1425.50
1989 455.50 238.00 50.00 15.00 2.50 0.00 0.00 0.00 0.00 36.00 150.00 441.50 1388.50
1990 470.50 323.50 114.00 4.50 2.50 0.00 0.00 0.00 0.00 2.50 160.00 545.00 1622.50
1991 384.00 133.50 235.50 29.50 8.50 0.00 0.00 0.00 0.00 45.50 198.00 356.50 1391.00
1992 379.50 155.00 106.00 6.50 0.00 0.00 0.00 0.00 0.00 0.00 258.00 486.50 1391.50
1993 318.00 243.00 81.50 5.00 0.00 0.00 0.00 0.00 0.00 3.00 208.50 431.50 1290.50
1994 377.50 305.50 57.00 14.50 0.00 0.00 0.00 0.00 0.00 9.50 301.00 406.00 1471.00
1995 335.50 71.00 94.50 38.50 2.50 0.00 0.00 0.00 0.00 12.00 35.50 321.50 911.00
1996 341.50 128.50 63.00 0.00 0.00 0.00 0.00 0.00 0.00 70.00 117.50 343.00 1063.50
1997 306.00 245.50 52.50 38.00 0.00 0.00 0.00 0.00 0.00 20.00 138.00 465.50 1265.50
1998 342.50 257.50 134.00 86.50 0.50 0.00 z 0.00 0.00 0.00 3.10 a 161.00 410.00 1395.10
1999 306.50 208.00 105.40 a 103.97 a 3.50 0.00 0.00 0.00 0.00 0.00 97.50 353.00 1177.87
2000 283.50 174.52 a 112.50 3.50 0.00 a 0.00 a 0.00 0.00 a 0.00 a 13.00 312.50 351.50 1251.02
2001 418.50 282.00 92.00 62.00 0.00 0.00 0.00 0.00 0.00 0.00 a 84.00 473.00 1411.50
2002 397.00 248.00 164.50 3.50 0.00 0.00 0.00 0.00 0.00 0.50 80.50 425.00 1319.00
2003 173.50 191.85 a 81.00 53.00 1.00 0.00 0.00 0.00 0.00 0.00 199.00 397.00 1096.35
2004 337.50 296.00 47.00 20.17 a 0.00 0.00 0.00 0.00 0.00 26.50 204.00 394.00 1325.17
2005 313.50 198.50 120.00 24.00 0.00 0.00 0.00 0.00 0.00 0.50 128.50 413.00 1198.00
2006 396.00 210.50 171.50 24.00 0.00 0.00 0.00 0.00 0.00 2.00 99.00 443.50 1346.50
2007 494.00 194.50 79.00 28.00 0.00 0.00 0.00 0.00 0.00 1.00 83.00 473.00 1352.50
2008 424.50 234.00 94.00 11.50 3.50 0.00 0.00 0.00 0.00 13.50 69.00 379.50 1229.50
2009 314.00 241.00 111.00 38.50 0.00 0.00 0.00 0.00 0.00 34.00 124.50 439.50 1302.50
2010 334.00 188.00 139.00 53.50 5.50 0.00 0.00 0.00 0.00 4.00 192.00 273.50 1189.50
2011 384.00 354.00 75.00 27.00 2.50 0.00 b 0.00 0.00 0.00 5.00 160.00 476.50 1484.00
2012 317.50 221.50 117.28 a 19.50 0.00 0.00 c 0.00 0.00 a 0.00 a 0.50 91.50 325.00 1092.78
2013 461.38 a 294.50 40.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 16.00 z 795.88
Period of Record Statistics
MEAN 390.99 242.26 131.85 40.49 3.79 0.01 0.00 0.00 0.09 18.66 172.69 415.81 1406.62
S.D. 81.68 62.98 62.20 32.96 4.79 0.08 0.00 0.00 0.60 23.22 64.64 70.23 237.33
SKEW -0.16 -0.19 0.45 1.22 1.63 6.33 0.00 0.00 6.40 1.70 0.07 -0.27 0.55
MAX 568.50 357.00 260.00 142.00 18.50 0.50 0.00 0.00 4.00 106.50 312.50 545.00 2057.62
MIN 173.50 71.00 40.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 35.50 264.00 911.00
NO YRS 44 45 45 43 43 43 44 44 44 44 43 44 39