OLA 4 S, IDAHO

Period of Record General Climate Summary - Growing Degree Days

Station:(106590) OLA 4 S
From Year=1951 To Year=1988
Growing Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
40 M 2 13 73 224 483 699 946 890 588 275 43 5 4241
40 S 2 16 88 312 795 1494 2440 3330 3918 4193 4236 4241 4241
45 M 0 2 21 114 333 549 791 735 440 151 9 1 3145
45 S 0 2 23 136 470 1019 1810 2545 2984 3135 3144 3145 3145
50 M 0 0 4 45 199 400 636 580 298 62 1 0 2224
50 S 0 0 4 48 247 647 1283 1863 2161 2223 2224 2224 2224
55 M 0 0 0 12 98 258 481 426 173 16 0 0 1465
55 S 0 0 0 12 110 369 850 1276 1449 1465 1465 1465 1465
60 M 0 0 0 2 37 140 329 277 78 2 0 0 865
60 S 0 0 0 2 39 179 508 785 863 865 865 865 865
Corn Growing Degree Days
50 M 1 13 73 192 350 459 586 564 428 252 39 2 2958
50 S 1 14 88 279 629 1088 1673 2237 2665 2917 2956 2958 2958
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