PARKER, ARIZONA

Period of Record General Climate Summary - Growing Degree Days

Station:(026250) PARKER 6 NE
From Year=1893 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 369 478 691 893 1164 1390 1641 1603 1347 1016 602 369 11562
40 S 369 847 1538 2431 3594 4984 6626 8228 9575 10591 11193 11562 11562
45 M 226 339 536 743 1009 1240 1486 1448 1197 861 453 224 9761
45 S 226 565 1101 1844 2853 4093 5579 7027 8223 9084 9537 9761 9761
50 M 108 208 382 593 854 1090 1331 1293 1047 706 308 104 8023
50 S 108 316 698 1291 2145 3235 4566 5859 6906 7611 7919 8023 8023
55 M 34 100 238 444 699 940 1176 1138 897 552 178 30 6425
55 S 34 134 372 816 1515 2455 3631 4769 5665 6217 6395 6425 6425
60 M 5 33 119 301 544 790 1021 983 747 401 81 4 5030
60 S 5 38 157 458 1002 1792 2814 3797 4543 4944 5025 5030 5030
Corn Growing Degree Days
50 M 272 329 453 559 705 818 987 974 812 634 415 274 7232
50 S 272 602 1054 1613 2318 3137 4123 5097 5909 6543 6958 7232 7232
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