ROOSEVELT 1 WNW, ARIZONA

Period of Record General Climate Summary - Growing Degree Days

Station:(027281) ROOSEVELT 1 WNW
From Year=1905 To Year=2006
Growing Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
40 M	258	344	545	767	1073	1325	1510	1442	1237	926	520	279	10226
40 S	258	602	1147	1914	2987	4313	5822	7264	8501	9428	9947	10226	10226
45 M	124	210	392	617	918	1175	1355	1287	1087	771	371	141	8449
45 S	124	335	727	1344	2262	3437	4792	6079	7166	7937	8308	8449	8449
50 M	36	98	247	468	763	1025	1200	1132	937	617	231	44	6798
50 S	36	134	381	849	1612	2638	3837	4969	5906	6523	6754	6798	6798
55 M	4	29	125	324	609	875	1045	977	787	463	114	6	5359
55 S	4	33	158	483	1091	1967	3011	3988	4775	5239	5353	5359	5359
60 M	0	4	45	194	456	725	890	822	637	315	38	0	4127
60 S	0	4	49	243	700	1425	2314	3137	3774	4089	4127	4127	4127

Corn Growing Degree Days
50 M	148	203	325	477	686	825	947	922	799	595	305	159	6390
50 S	148	351	676	1153	1839	2663	3611	4532	5332	5927	6232	6390	6390

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 Jul 28, 2006
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