ORLEANS, CALIFORNIA

Period of Record General Climate Summary - Growing Degree Days

Station:(046508) ORLEANS
From Year=1948 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 117 202 335 461 656 816 1034 1014 846 582 272 121 6456
40 S 117 318 654 1115 1772 2588 3621 4635 5481 6064 6335 6456 6456
45 M 32 87 192 314 502 666 879 859 696 428 141 36 4830
45 S 32 119 311 624 1126 1792 2670 3529 4226 4653 4794 4830 4830
50 M 4 23 80 179 349 516 724 704 546 277 50 6 3458
50 S 4 27 108 287 636 1152 1875 2580 3126 3402 3452 3458 3458
55 M 0 3 20 79 210 367 569 549 397 145 10 0 2349
55 S 0 3 24 103 312 679 1248 1797 2194 2339 2349 2349 2349
60 M 0 0 2 23 100 226 414 395 252 54 1 0 1466
60 S 0 0 3 25 125 351 765 1159 1411 1465 1466 1466 1466
Corn Growing Degree Days
50 M 40 100 197 296 410 498 608 598 519 359 119 35 3779
50 S 40 140 337 633 1043 1541 2149 2747 3267 3625 3744 3779 3779
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