PROSSER 4 NE, WASHINGTON

Period of Record General Climate Summary - Heating Degree Days

Station:(456768) PROSSER 4 NE
From Year=1925 To Year=2012
Heating Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
65 1059 794 636 415 217 76 17 21 125 408 754 995 5516
60 904 653 481 273 108 22 2 3 51 263 604 840 4204
57 811 568 389 196 61 7 1 1 25 186 514 747 3505
55 749 512 330 150 38 3 0 0 14 140 455 685 3076
50 595 373 191 60 7 0 0 0 3 56 311 531 2126
Heating Degree Day units are computed as the difference between the base temperature and the daily average temperature. (Base Temp. - Daily Ave. Temp.) One unit is accumulated for each degree Fahrenheit the average temperature is below the base temperature. Negative numbers are discarded. Example: If the days high temperature was 65 and the low temperature was 31, the base 50 heating degree day units is 50 - ((65 + 31) / 2) = 2. This is done for each day of the month and summed.
Table updated on Oct 31, 2012
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered

Western Regional Climate Center, wrcc@dri.edu