LANCASTER FSS, CALIFORNIA

Period of Record General Climate Summary - Heating Degree Days

Station:(044749) LANCASTER FSS
From Year=1974 To Year=2006
Heating Degree Days for Selected Base Temperature (F)
Base	Jan.	Feb.	Mar.	Apr.	May	Jun.	Jul.	Aug.	Sep.	Oct.	Nov.	Dec.	Annual
65	637	492	388	224	78	11	0	0	11	126	437	673	3078
60	482	352	243	118	30	3	0	0	2	50	291	518	2088
57	390	269	167	71	14	1	0	0	1	25	211	425	1572
55	329	217	123	47	7	0	0	0	0	14	163	364	1266
50	185	106	43	13	1	0	0	0	0	2	74	220	644

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 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