MITCHELL CAVERNS, CALIFORNIA

Period of Record General Climate Summary - Growing Degree Days

Station:(045721) MITCHELL CAVERNS
From Year=1958 To Year=2011
Growing Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
40 M	222	242	380	554	860	1122	1324	1264	1046	777	412	230	8432
40 S	222	463	843	1397	2257	3379	4703	5967	7012	7790	8202	8432	8432
45 M	115	135	243	410	705	972	1169	1109	896	624	276	121	6775
45 S	115	250	493	903	1608	2580	3749	4858	5753	6377	6654	6775	6775
50 M	46	62	135	279	552	822	1014	954	746	473	162	48	5293
50 S	46	108	243	522	1074	1896	2910	3864	4610	5083	5245	5293	5293
55 M	11	20	62	168	404	672	859	799	596	331	79	12	4014
55 S	11	32	94	261	666	1338	2197	2996	3592	3923	4002	4014	4014
60 M	1	4	21	84	269	524	704	644	448	206	28	2	2934
60 S	1	5	26	110	379	903	1607	2251	2699	2905	2932	2934	2934

Corn Growing Degree Days
50 M	93	109	194	324	560	760	898	865	716	487	207	99	5313
50 S	93	202	397	721	1282	2041	2940	3804	4520	5007	5214	5313	5313

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