THE DALLES 2, OREGON

Monthly Total Heating Degree Days

(358410)

Base Temperature = 65 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197501
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
1967 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 21.00 317.00 610.00 827.50 1775.50
1968 855.50 646.50 497.00 421.50 188.00 61.50 5.00 30.50 69.50 409.50 632.50 917.50 4734.50
1969 1265.50 803.00 575.00 390.00 123.00 40.50 7.00 13.00 81.50 442.00 622.50 858.00 5221.00
1970 968.00 610.50 553.00 456.00 186.00 51.50 8.27 a 0.50 142.50 441.50 678.50 883.50 4979.77
1971 774.50 645.00 685.00 450.00 165.50 125.00 31.00 4.50 152.00 413.00 654.00 846.00 4945.50
1972 883.00 750.50 515.50 480.00 151.50 43.00 11.00 11.00 199.00 409.00 621.50 1129.50 5204.50
1973 1019.50 706.00 550.00 333.00 181.50 86.50 14.00 26.50 91.00 347.00 718.00 756.00 4829.00
1974 1051.00 637.50 600.50 412.50 265.00 47.59 a 30.00 11.00 41.50 365.50 601.00 758.50 4821.59
1975 865.50 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 865.50
Period of Record Statistics
MEAN 960.31 685.57 568.00 420.43 180.07 65.08 15.18 12.12 99.75 393.06 642.25 872.06 4962.26
S.D. 153.72 70.17 62.10 48.86 43.97 30.67 10.86 11.26 60.15 45.24 39.37 118.14 189.57
SKEW 0.86 0.65 0.85 -0.64 0.85 1.19 0.73 0.57 0.34 -0.51 0.91 1.30 0.38
MAX 1265.50 803.00 685.00 480.00 265.00 125.00 31.00 30.50 199.00 442.00 718.00 1129.50 5221.00
MIN 774.50 610.50 497.00 333.00 123.00 40.50 5.00 0.00 21.00 317.00 601.00 756.00 4734.50
NO YRS 8 7 7 7 7 7 7 8 8 8 8 8 7