METALINE FALLS, WASHINGTON

Period of Record General Climate Summary - Growing Degree Days

Station:(455317) METALINE FALLS
From Year=1909 To Year=1965
Growing Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
40 M 0 1 24 176 425 590 814 763 512 206 11 1 3525
40 S 0 1 26 202 627 1217 2031 2794 3306 3512 3524 3525 3525
45 M 0 0 4 77 278 440 659 608 366 101 1 0 2535
45 S 0 0 4 81 359 799 1458 2066 2432 2534 2535 2535 2535
50 M 0 0 0 25 155 293 504 453 231 37 0 0 1699
50 S 0 0 0 25 180 473 977 1430 1662 1699 1699 1699 1699
55 M 0 0 0 5 71 161 350 301 119 8 0 0 1015
55 S 0 0 0 5 76 236 586 887 1006 1015 1015 1015 1015
60 M 0 0 0 1 24 68 206 161 46 1 0 0 506
60 S 0 0 0 1 25 92 298 459 505 506 506 506 506
Corn Growing Degree Days
50 M 0 1 29 145 286 368 513 488 340 132 2 0 2303
50 S 0 1 30 174 460 828 1341 1829 2169 2301 2303 2303 2303
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