PUYALLUP 2 W EXP STN, WASHINGTON

Period of Record General Climate Summary - Growing Degree Days

Station:(456803) PUYALLUP 2 W EXP STN
From Year=1931 To Year=1995
Growing Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
40 M 75 97 167 292 483 607 752 745 580 370 151 87 4406
40 S 75 172 339 631 1114 1722 2473 3218 3798 4169 4320 4406 4406
45 M 21 28 59 151 328 457 597 590 430 222 58 26 2967
45 S 21 49 108 259 587 1044 1641 2231 2661 2883 2941 2967 2967
50 M 3 4 11 53 181 308 442 435 281 101 12 3 1832
50 S 3 7 18 71 251 559 1001 1435 1717 1817 1829 1832 1832
55 M 0 0 1 11 71 163 287 280 144 29 1 0 988
55 S 0 1 2 13 84 247 534 814 958 987 988 988 988
60 M 0 0 0 1 19 59 141 134 46 4 0 0 405
60 S 0 0 0 1 20 79 220 354 400 405 405 405 405
Corn Growing Degree Days
50 M 19 37 84 165 283 353 460 460 348 196 52 21 2478
50 S 19 56 140 305 588 941 1401 1861 2209 2405 2457 2478 2478
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