TRUXTON CANYON, ARIZONA

Period of Record General Climate Summary - Growing Degree Days

Station:(028778) TRUXTON CANYON
From Year=1901 To Year=1980
Growing Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
40 M	93	156	297	475	740	1006	1247	1181	953	657	300	118	7223
40 S	93	249	546	1021	1761	2767	4014	5196	6148	6805	7105	7223	7223
45 M	27	66	167	331	586	856	1092	1026	803	504	175	40	5674
45 S	27	94	261	592	1178	2034	3126	4153	4955	5459	5634	5674	5674
50 M	5	19	73	202	433	706	937	871	653	355	79	6	4339
50 S	5	24	97	299	732	1438	2375	3247	3899	4254	4333	4339	4339
55 M	1	3	21	97	289	556	782	716	503	218	23	0	3210
55 S	1	3	25	122	411	967	1749	2465	2968	3186	3210	3210	3210
60 M	0	0	2	32	163	407	627	561	355	107	3	0	2258
60 S	0	0	3	35	198	605	1232	1793	2148	2255	2258	2258	2258

Corn Growing Degree Days
50 M	87	132	232	333	482	619	774	745	608	435	233	108	4788
50 S	87	219	452	785	1266	1885	2659	3404	4012	4447	4680	4788	4788

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