DAYTON 1 WSW, WASHINGTON

Period of Record General Climate Summary - Growing Degree Days

Station:(452030) DAYTON 1 WSW
From Year=1931 To Year=2005
Growing Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
40 M 39 55 145 299 528 709 957 925 662 365 104 45 4833
40 S 39 94 239 539 1067 1776 2733 3658 4320 4685 4788 4833 4833
45 M 11 16 58 170 374 559 802 770 512 224 39 13 3550
45 S 11 27 85 256 630 1190 1992 2762 3274 3499 3537 3550 3550
50 M 2 3 17 80 235 410 647 615 366 114 9 2 2501
50 S 2 5 22 103 337 747 1394 2009 2375 2489 2498 2501 2501
55 M 0 0 4 31 125 267 493 460 230 45 1 0 1657
55 S 0 0 4 35 160 427 920 1380 1610 1655 1657 1657 1657
60 M 0 0 0 9 55 149 341 310 121 13 0 0 998
60 S 0 0 0 9 64 213 554 864 985 998 998 998 998
Corn Growing Degree Days
50 M 15 26 79 175 312 431 595 575 411 229 49 18 2914
50 S 15 41 120 295 607 1037 1632 2207 2619 2847 2896 2914 2914
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