BETATAKIN, ARIZONA

Period of Record General Climate Summary - Growing Degree Days

Station:(020750) BETATAKIN
From Year=1939 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	6	19	88	238	522	809	997	924	700	381	89	10	4783
40 S	6	25	113	351	873	1682	2679	3603	4303	4684	4773	4783	4783
45 M	0	3	33	132	375	659	842	769	550	248	32	1	3644
45 S	0	3	36	168	543	1202	2044	2814	3364	3612	3644	3644	3644
50 M	0	0	8	57	241	510	687	614	402	136	7	0	2662
50 S	0	0	8	65	306	816	1503	2117	2520	2656	2662	2662	2662
55 M	0	0	1	17	128	364	532	459	261	56	0	0	1818
55 S	0	0	1	18	146	510	1042	1501	1762	1818	1818	1818	1818
60 M	0	0	0	2	50	229	378	305	136	14	0	0	1114
60 S	0	0	0	2	52	281	659	964	1100	1114	1114	1114	1114

Corn Growing Degree Days
50 M	5	13	63	165	330	522	655	601	430	223	53	6	3067
50 S	5	18	81	246	576	1098	1753	2354	2784	3007	3061	3067	3067

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