HOOKER, OKLAHOMA

Period of Record General Climate Summary - Growing Degree Days

Station:(344298) HOOKER
From Year=1906 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	51	90	241	478	768	1044	1230	1187	911	572	196	58	6826
40 S	51	141	382	860	1628	2672	3902	5089	6000	6572	6768	6826	6826
45 M	17	39	141	339	614	894	1075	1032	762	424	106	20	5461
45 S	17	56	197	536	1150	2043	3118	4151	4912	5336	5442	5461	5461
50 M	4	13	70	216	463	744	920	877	613	286	46	5	4256
50 S	4	17	87	302	765	1509	2429	3306	3919	4205	4251	4256	4256
55 M	1	3	28	118	319	594	765	722	466	169	14	1	3200
55 S	1	4	31	149	468	1062	1827	2550	3016	3185	3199	3200	3200
60 M	0	0	8	52	193	446	610	568	326	83	3	0	2290
60 S	0	0	8	60	254	700	1310	1877	2204	2286	2289	2290	2290

Corn Growing Degree Days
50 M	74	107	210	329	481	662	782	755	579	383	175	79	4614
50 S	74	181	391	720	1200	1862	2644	3399	3978	4360	4535	4614	4614

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