PAINTED DESERT NP, ARIZONA

Period of Record General Climate Summary - Growing Degree Days

Station:(026190) PAINTED DESERT NATL PAR
From Year=1973 To Year=2012
Growing Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
40 M 33 65 211 374 658 924 1116 1046 810 515 174 39 5966
40 S 33 98 309 683 1341 2265 3382 4428 5238 5753 5927 5966 5966
45 M 6 18 103 237 504 774 961 891 660 366 79 9 4609
45 S 6 24 127 364 868 1642 2604 3495 4155 4521 4600 4609 4609
50 M 0 3 37 120 355 624 806 736 510 227 25 1 3444
50 S 0 3 40 160 514 1139 1945 2681 3191 3418 3443 3444 3444
55 M 0 0 8 40 216 474 651 581 361 112 5 0 2450
55 S 0 0 9 49 265 739 1390 1972 2333 2445 2450 2450 2450
60 M 0 0 1 6 103 326 496 426 216 38 0 0 1613
60 S 0 0 1 7 110 436 933 1359 1575 1613 1613 1613 1613
Corn Growing Degree Days
50 M 40 75 192 292 442 581 701 680 519 349 152 46 4069
50 S 40 115 307 599 1041 1622 2323 3002 3522 3870 4022 4069 4069
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