METHOW, WASHINGTON

Monthly Total Heating Degree Days

(455327)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197006
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
1957 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 22.00 j 62.00 561.50 0.00 z 734.00 k 623.50
1958 1189.88 a 762.70 e 634.00 f 538.50 90.50 28.00 0.00 3.50 213.00 494.00 1055.50 1191.00 5566.58
1959 1362.50 1125.00 865.62 e 466.03 a 336.50 130.50 14.50 g 50.00 175.50 h 545.08 a 1049.50 1180.00 7110.73
1960 1359.50 1032.09 a 611.00 f 478.50 354.00 80.00 0.00 55.50 145.50 475.00 987.00 1383.00 6350.09
1961 1243.50 851.93 a 762.00 494.50 251.00 52.00 4.00 j 1.00 214.00 592.00 1087.50 1301.00 6850.43
1962 1463.50 921.00 850.00 421.50 348.00 105.50 32.50 28.00 121.00 511.50 787.50 1062.50 6652.50
1963 1374.50 843.00 694.50 540.50 274.00 93.50 20.00 16.00 72.00 425.00 918.00 1258.50 6529.50
1964 1276.00 1118.50 904.50 567.00 312.50 68.00 10.50 59.50 201.50 507.50 871.50 1356.00 7253.00
1965 1211.00 1008.50 921.50 448.50 273.00 38.00 14.50 32.50 220.00 0.00 z 763.00 1186.50 6117.00
1966 1330.00 947.00 827.00 485.00 218.50 129.00 36.50 15.00 41.50 537.00 817.00 1039.00 6422.50
1967 1128.50 804.50 771.50 601.00 267.00 34.00 3.50 0.00 35.50 534.00 834.00 1248.50 6262.00
1968 1274.00 1005.00 703.50 550.00 295.00 96.50 0.00 z 0.00 z 147.50 l 617.00 877.00 1391.50 6809.50
1969 1760.50 1180.50 874.00 470.50 146.00 39.00 29.00 33.50 200.00 628.50 887.78 c 1146.50 7395.78
1970 1383.50 937.50 830.00 583.00 260.50 53.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 4048.00
Period of Record Statistics
MEAN 1335.14 964.40 818.56 511.12 263.58 72.88 16.28 26.77 138.73 535.67 911.27 1228.67 6752.55
S.D. 157.46 129.41 76.49 55.64 76.48 35.70 14.04 21.66 75.03 58.94 109.63 116.37 463.37
SKEW 1.43 0.11 -0.40 0.10 -0.97 0.34 0.18 0.21 -0.23 -0.07 0.36 -0.10 0.50
MAX 1760.50 1180.50 921.50 601.00 354.00 130.50 36.50 59.50 220.00 628.50 1087.50 1391.50 7395.78
MIN 1128.50 762.70 694.50 421.50 90.50 28.00 0.00 0.00 35.50 425.00 763.00 1039.00 6262.00
NO YRS 13 13 11 13 13 13 9 11 11 12 12 12 6