CARLSBAD, NEW MEXICO

Period of Record General Climate Summary - Growing Degree Days

Station:(291469) CARLSBAD
From Year=1914 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	169	254	451	698	978	1185	1286	1245	1012	733	351	178	8540
40 S	169	423	874	1572	2549	3734	5020	6265	7278	8011	8362	8540	8540
45 M	81	146	311	549	823	1035	1131	1090	862	579	223	87	6918
45 S	81	228	539	1088	1910	2945	4076	5167	6029	6608	6832	6918	6918
50 M	30	69	187	404	668	885	976	935	713	429	120	32	5447
50 S	30	99	287	690	1358	2243	3219	4154	4867	5295	5415	5447	5447
55 M	9	24	91	266	514	735	821	780	564	286	49	8	4147
55 S	9	33	124	390	904	1639	2460	3241	3804	4090	4139	4147	4147
60 M	3	5	33	148	363	585	666	625	417	161	13	1	3020
60 S	3	8	41	188	551	1136	1802	2427	2844	3005	3019	3020	3020

Corn Growing Degree Days
50 M	167	214	330	458	615	741	820	800	650	470	264	167	5696
50 S	167	381	711	1169	1784	2525	3345	4145	4795	5265	5529	5696	5696

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