ROSWELL, NEW MEXICO

Period of Record General Climate Summary - Heating Degree Days

Station:(297604) ROSWELL
From Year=1893 To Year=1950
Heating Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
65	789	598	464	177	39	6	0	0	22	194	498	761	3548
60	634	459	317	85	9	2	0	0	8	96	350	606	2565
57	541	377	238	50	4	1	0	0	3	57	268	514	2053
55	480	324	191	34	2	0	0	0	2	38	217	453	1741
50	331	204	100	11	0	0	0	0	0	12	115	310	1084

Heating Degree Day units are computed as the difference between the base temperature and the daily average temperature. (Base Temp. - Daily Ave. Temp.) One unit is accumulated for each degree Fahrenheit the average temperature is below the base temperature. Negative numbers are discarded. Example: If the days high temperature was 65 and the low temperature was 31, the base 50 heating degree day units is 50 - ((65 + 31) / 2) = 2. This is done for each day of the month and summed.
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