OMAK, WASHINGTON

Monthly Total Heating Degree Days

(456121)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
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 772.50 1047.00 1819.50
1981 884.50 785.00 575.50 437.00 177.50 106.50 15.00 1.50 135.50 469.50 736.50 1105.50 5429.50
1982 1256.50 942.50 694.00 526.50 202.50 37.00 23.50 4.50 121.50 488.00 978.50 1149.50 6424.50
1983 636.50 k 753.50 581.00 414.00 183.50 43.50 28.50 0.50 167.00 450.50 716.50 1341.50 4680.00
1984 1072.50 842.00 594.00 475.50 294.00 70.00 0.00 8.00 189.50 560.50 821.50 1427.00 6354.50
1985 1277.50 1181.00 812.00 367.50 139.00 16.50 0.00 0.00 z 0.00 z 0.00 z 0.00 z 1285.39 c 5078.89
1986 1122.50 930.00 582.00 409.00 203.50 13.50 13.00 0.00 202.00 420.00 781.00 1053.00 5729.50
1987 1141.00 813.00 607.50 282.00 124.50 19.00 4.50 3.50 63.00 409.50 744.00 1095.85 a 5307.35
1988 1243.00 855.50 668.00 322.00 188.50 75.00 3.50 4.50 125.00 323.00 774.00 1074.15 a 5656.15
1989 1064.00 1083.19 a 748.13 a 320.50 184.50 9.00 6.00 6.72 a 51.00 448.00 746.00 986.00 5653.04
1990 940.00 960.50 621.50 271.00 229.00 0.00 z 0.00 z 0.00 z 11.50 527.50 716.50 1311.50 5589.00
1991 1275.00 684.00 737.00 397.50 176.50 0.00 z 0.00 q 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3270.00
1992 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
1993 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
1994 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
1995 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
1996 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
1997 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
1998 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
1999 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
2000 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
2001 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
2002 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
2003 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
2004 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
2005 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
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 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
2008 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
2009 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
2010 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
2011 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
2012 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 427.44 e 759.50 1023.00 2209.94
2013 1287.00 944.50 684.50 11.50 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 2916.00
Period of Record Statistics
MEAN 1142.14 897.89 658.76 383.86 191.18 43.33 10.44 3.65 118.44 452.39 776.95 1158.28 5793.50
S.D. 140.99 139.83 77.85 80.32 44.68 33.77 10.28 2.87 64.99 65.97 73.45 144.82 432.90
SKEW -0.59 0.50 0.58 0.18 0.82 0.69 0.65 0.14 -0.31 -0.23 2.04 0.63 0.57
MAX 1287.00 1181.00 812.00 526.50 294.00 106.50 28.50 8.00 202.00 560.50 978.50 1427.00 6424.50
MIN 884.50 684.00 575.50 271.00 124.50 9.00 0.00 0.00 11.50 323.00 716.50 986.00 5307.35
NO YRS 11 12 12 11 11 9 9 8 9 10 11 12 7