CLE ELUM, WASHINGTON

Period of Record General Climate Summary - Growing Degree Days

Station:(451504) CLE ELUM
From Year=1931 To Year=2006
Growing Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
40 M 3 6 53 180 407 590 812 782 528 232 31 4 3627
40 S 3 10 62 242 649 1238 2051 2832 3361 3592 3623 3627 3627
45 M 0 0 12 78 259 440 657 627 380 115 5 0 2574
45 S 0 1 13 91 350 790 1447 2074 2454 2569 2574 2574 2574
50 M 0 0 2 25 137 293 502 472 240 44 1 0 1715
50 S 0 0 2 27 164 456 959 1431 1671 1715 1715 1715 1715
55 M 0 0 0 6 57 164 349 319 125 11 0 0 1032
55 S 0 0 0 6 63 227 577 896 1021 1032 1032 1032 1032
60 M 0 0 0 1 18 74 208 182 48 2 0 0 533
60 S 0 0 0 1 19 93 302 483 532 533 533 533 533
Corn Growing Degree Days
50 M 1 5 46 130 259 352 501 491 358 165 13 1 2324
50 S 1 6 52 183 442 793 1295 1786 2144 2309 2323 2324 2324
M = Monthly Data
S - Running sum of monthly data.
Growing Degree Day units are computed as the difference between the daily average temperature and the base temperature. (Daily Ave. Temp. - Base Temp.) One unit is accumulated for each degree Fahrenheit the average temperature is above the base temperature. Negative numbers are discarded. Example: If the days high temperature was 95 and the low temperature was 51, the base 60 heating degree day units is ((95 + 51) / 2) - 60 = 13. This is done for each day of the month and summed.
Corn Growing Degree Day units have the limitations that the maximum daily temperatures greater than 86 F are set to 86 F and minimums less than 50 F are set to 50 F.
Table updated on Jul 28, 2006
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