VALLEY CENTER, CALIFORNIA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.9		8.4		11.2		13.3		16		19.5		23.1		25.2		24.6		22.8		18.6		12.3		8.3

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24.6		13.1		16.7		19.4		23.4		27.9		32.5		35.4		34.9		32.4		26.9		18.5		13.4

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.3		3.8		5.6		7.2		8.6		11.1		13.6		14.9		14.3		13.1		10.2		6		3.2

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		39.2		17.1		20.2		23		27.3		32.2		35.9		39.2		37.4		35.4		30.2		23.6		17.1

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-0.1		0.9		3.3		5.1		5.6		9.1		11.8		12.8		12.3		10.9		7.1		3.8		-0.1

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		624		139		128		95		29		15		2		1		1		7		30		83		93

Average Number of Days With Precipitation

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		39		6		5		6		5		3		1		---		1		1		2		4		5

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		424		424		385		271		148		86		23		31		14		42		88		227		313

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		2		2		---		1		---		---		---		---		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		127		127		81.3		69.1		43.2		24.1		14.7		10.9		61.5		20.3		22.4		112.8		127

Avg. No. of Days w/Precip. Above 0.2in/5mm

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28		5		4		5		4		2		---		---		---		---		1		3		4

Avg. # of Days w/Precip. Above 0.4in/10mm

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10		2		2		2		1		---		---		---		---		---		---		1		2

Avg. No. of Days w/Precip. Above 1in/25mm

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		1		1		1		---		---		---		---		---		---		---		1		1

Average Snowfall

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2.3		2		---		---		---		---		---		---		---		---		---		---		0.2

Most Snow Reported in a Month

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		38.1		38.1		---		---		---		---		---		---		---		---		---		---		5.1

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1338.9		307.2		201.1		159.4		90.6		36.7		2.8		---		---		3.3		41.7		185		311.1

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		832.2		---		---		2.8		20		73.9		143.3		211.1		194.4		135.6		48.9		2.2		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2640.6		---		32.9		101.6		180		294.5		391.7		470.2		452.9		383.3		265.2		68.3		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.7		11.5		12.4		13.5		14.4		14.8		14.6		13.8		12.8		11.7		10.9		10.4

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.9		11.2		14		18.6		23.3		25.3		26.4		25.9		23.5		20.2		15.9		12.5		10.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.2		3.2		4.1		5.2		6		7.1		7.4		7.1		6.5		5.4		4.2		3.2		2.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.7		16.6		18.5		21.5		23.4		23		22.9		23		22.7		22.1		20.3		18		16.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.7		18.9		19.8		23.4		26.9		27.2		28		27.8		26		24.5		22.1		20.9		18.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.9		11.2		14		18.6		23.3		25.3		26.4		25.9		23.5		20.2		15.9		12.5		10.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6		3.6		4.7		6.1		7.1		8.1		8.8		8.3		7.4		6		4.9		3.7		3.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.8		19		22.6		24.9		26.9		25.5		26.1		25.5		25.7		24.6		24.9		20.6		20

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		29.9		22.8		26.2		29.4		34.2		33.2		36.7		34.3		32.8		29.4		29.9		25.1		24.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.4		9.4		11.9		15.3		20.3		22.4		21.8		22.4		20.9		18.5		13.8		11.1		9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.1		2.7		3.2		4.1		4.5		5.9		5.6		5.8		5.1		4.5		3		2.6		2.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.6		13.1		15.1		17.1		20.3		20.5		19.2		20		20.1		19.9		17		15.5		13.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.9		13.5		14.5		15.9		20.6		21.4		19.3		20.9		20.6		20.6		16.8		16.8		14.2