OLGA 2 SE, WASHINGTON

Period of Record General Climate Summary - Growing Degree Days

Station:(456096) OLGA 2 SE
From Year=1891 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 70 84 148 259 412 514 616 618 501 335 153 83 3794
40 S 70 154 302 561 974 1488 2104 2722 3223 3558 3711 3794 3794
45 M 15 19 44 119 258 364 461 463 351 185 51 19 2348
45 S 15 35 78 197 455 819 1280 1743 2094 2279 2329 2348 2348
50 M 1 2 6 30 114 215 306 308 202 64 7 2 1256
50 S 1 3 9 39 153 367 673 981 1183 1247 1255 1256 1256
55 M 0 0 0 4 25 78 152 155 72 9 0 0 496
55 S 0 0 0 4 29 107 259 414 486 495 496 496 496
60 M 0 0 0 0 3 12 36 37 12 0 0 0 101
60 S 0 0 0 0 3 15 52 89 101 101 101 101 101
Corn Growing Degree Days
50 M 8 15 42 102 191 253 326 325 239 121 29 8 1660
50 S 8 22 64 167 358 611 937 1262 1502 1623 1652 1660 1660
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