AMANDA PARK, WASHINGTON

Monthly Total Heating Degree Days

(450158)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 196308
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 135.50 70.00 422.50 639.50 729.00 1996.50
1958 706.00 523.50 682.00 493.50 243.50 119.00 43.00 89.50 208.50 347.00 678.00 630.50 4764.00
1959 753.50 664.00 695.50 484.50 388.00 257.50 134.50 151.00 240.50 387.00 617.07 a 736.50 5509.57
1960 778.00 668.50 636.00 476.50 408.00 205.00 104.00 134.50 179.50 369.50 613.50 729.50 5302.50
1961 658.00 607.50 633.00 523.00 331.00 125.69 a 41.00 28.50 227.50 489.50 722.50 805.00 5192.19
1962 819.50 608.00 704.50 453.00 449.50 244.00 135.00 112.00 142.50 370.00 572.00 692.50 5302.50
1963 898.00 470.50 657.50 491.00 329.00 0.00 z 99.50 i 99.00 0.00 z 0.00 z 0.00 z 0.00 z 2945.00
Period of Record Statistics
MEAN 768.83 590.33 668.08 486.92 358.17 190.24 91.50 107.14 178.08 397.58 640.43 720.50 5214.15
S.D. 84.62 78.70 30.48 22.92 72.74 64.95 46.90 40.95 63.58 51.56 53.11 57.33 276.59
SKEW 0.24 -0.51 -0.05 0.13 -0.36 -0.17 -0.21 -0.96 -0.78 0.99 0.37 -0.16 -0.85
MAX 898.00 668.50 704.50 523.00 449.50 257.50 135.00 151.00 240.50 489.50 722.50 805.00 5509.57
MIN 658.00 470.50 633.00 453.00 243.50 119.00 41.00 28.50 70.00 347.00 572.00 630.50 4764.00
NO YRS 6 6 6 6 6 5 5 7 6 6 6 6 5