PUYALLUP 2 W EXP STN, WASHINGTON

Period of Record General Climate Summary - Growing Degree Days

Station:(456803) PUYALLUP 2 W EXP STN
From Year=1914 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 72 93 166 288 474 603 746 738 571 365 149 85 4350
40 S 72 165 331 619 1093 1696 2442 3180 3751 4116 4265 4350 4350
45 M 20 27 58 148 319 453 591 583 421 217 56 26 2920
45 S 20 47 105 253 573 1026 1616 2199 2620 2838 2894 2920 2920
50 M 2 4 12 52 173 303 436 428 272 97 11 4 1794
50 S 2 7 18 70 243 547 982 1410 1682 1779 1790 1794 1794
55 M 0 0 1 11 66 160 281 273 136 27 1 0 957
55 S 0 1 2 13 79 239 520 792 929 956 957 957 957
60 M 0 0 0 2 17 56 135 128 42 4 0 0 384
60 S 0 0 0 2 18 75 210 338 380 384 384 384 384
Corn Growing Degree Days
50 M 18 35 83 163 277 351 457 455 342 191 52 21 2445
50 S 18 53 136 300 577 927 1384 1840 2182 2373 2424 2445 2445
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 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