WESTERN CLIMATE DIVISION HEATING DEGREE DAYS
Climate Division	Element	JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC	ANNUAL
1501 Western	31-00 AVERAGE	948	756	577	256	85	5	0	2	37	231	551	848	4295
1501 Western	STD DEV	16.4	13.2	12.9	7.0	3.8	0.4	0.1	0.3	2.0	6.8	9.5	14.2	3.30
1501 Western	31-60 AVERAGE	896	745	601	262	86	5	0	1	34	219	575	841	4266
1501 Western	STD DEV	16.1	13.3	14.9	6.6	3.5	0.5	0.1	0.2	2.0	6.5	9.0	13.4	3.36
1501 Western	41-70 AVERAGE	935	765	606	243	83	5	0	2	39	229	566	861	4334
1501 Western	STD DEV	13.2	12.4	14.5	7.2	3.8	0.5	0.1	0.3	2.0	6.9	7.9	13.2	3.01
1501 Western	51-80 AVERAGE	982	782	593	242	84	6	0	2	37	243	559	846	4375
1501 Western	STD DEV	15.8	14.3	14.0	6.7	4.0	0.5	0.0	0.3	2.2	7.1	8.7	12.1	3.18
1501 Western	61-90 AVERAGE	1010	793	561	249	88	5	0	2	39	245	527	863	4381
1501 Western	STD DEV	16.7	13.1	11.9	7.4	4.2	0.4	0.0	0.3	2.1	7.7	8.7	15.0	3.02
1501 Western	71-00 AVERAGE	979	748	547	256	86	5	0	2	37	237	528	843	4269
1501 Western	STD DEV	17.0	13.9	10.3	7.1	4.1	0.4	0.0	0.2	2.0	7.1	10.2	15.3	3.45

Normals:	Temperature	•	Precipitation	•	Cooling Degree Days
Observations:	Temperature	•	Precipitation