PINON, ARIZONA

Period of Record General Climate Summary - Growing Degree Days

Station:(026604) PINON
From Year=1959 To Year=1974
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	17	72	173	463	693	1045	993	671	354	77	22	4582
40 S	2	19	91	264	727	1420	2465	3458	4129	4483	4560	4582	4582
45 M	0	2	22	76	315	543	890	838	521	216	20	10	3453
45 S	0	2	24	101	415	958	1848	2686	3207	3423	3443	3453	3453
50 M	0	0	2	20	178	393	735	683	372	98	2	3	2485
50 S	0	0	2	22	200	593	1327	2010	2383	2480	2482	2485	2485
55 M	0	0	0	2	77	245	580	528	227	28	0	0	1687
55 S	0	0	0	2	79	324	904	1432	1659	1687	1687	1687	1687
60 M	0	0	0	0	21	114	425	373	106	4	0	0	1042
60 S	0	0	0	0	21	135	560	933	1038	1042	1042	1042	1042

Corn Growing Degree Days
50 M	5	34	106	198	378	487	691	631	455	282	99	20	3387
50 S	5	40	145	343	721	1208	1899	2530	2985	3268	3367	3387	3387

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