ANTIOCH, CALIFORNIA

Average Temperature

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.9		7.5		10.4		12.6		15.4		18.4		21.7		23.3		22.6		21.4		17.4		12		8.2

Average High Temperature

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		23.1		12.2		15.8		19.1		22.7		26.1		29.8		32.4		31.8		30.1		25.1		18.6		13.1

Average Low Temperature

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.8		2.8		4.8		6.1		8.1		10.6		13.6		14.3		13.5		12.8		9.9		5.6		3.3

Highest Recorded Temperature

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		45.6		22.8		26.1		33.3		35.6		39.4		43.9		45.6		42.8		43.3		39.4		31.1		25.6

Lowest Recorded Temperature

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-10		-7.2		-5		-2.2		-2.2		1.7		4.4		6.1		6.1		3.3		-2.2		-5.6		-10

Average Number of Days Above 90F/32C

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		56.6		---		---		---		0.8		3.4		9.9		16.5		14.8		9.5		1.7		---		---

Average Number of Days Below 32F/0C

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21		8.3		2.8		0.8		0.1		---		---		---		---		---		0.2		2.4		6.4

Average Precipitation

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		342		62		43		50		21		4		2		2		---		6		40		63		48

Average Number of Days With Precipitation

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		51		9		8		7		5		2		1		---		---		1		3		6		9

Most Reported Precipitation in a Month

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		238		238		159		119		110		48		28		7		16		169		121		137		192

Least Reported Precipitation in a Month

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		11		---		---		---		---		---		---		---		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		98.5		67.3		52.1		45.7		37.6		20.8		19.3		5.8		16.5		98.5		85.8		53.3		54.4

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

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31		6		5		5		3		1		---		---		---		---		2		4		5

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

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9		2		2		1		1		---		---		---		---		---		---		1		2

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

Years on Record: 61

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

Heating Degree Days

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		482.8		165.6		75.6		36.7		9.4		0.6		---		---		---		---		1.7		47.2		146.1

Cooling Degree Days

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		572.8		---		---		1.1		11.1		41.1		107.8		156.1		133.3		97.8		23.9		0.6		---

Growing Degree Days

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2302		---		11		80.9		161.7		260.1		350		413.3		390.9		343.3		230.8		60		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.4		11.3		12.5		13.7		14.8		15.3		15		14		12.8		11.6		10.6		10.1

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.2		7.9		11.4		16.9		22		26.1		28.8		28.3		25.4		20.6		14.9		9.6		7.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.6		3		3.8		4.8		5.9		6.5		6.3		6		5.3		4.4		3.6		3		2.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.2		12.6		15.7		20.5		22.7		23.8		24.7		24.9		24.9		23.8		20.9		15.2		12.2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.2		13.3		17		22.4		26.2		30.2		34		33.9		31.9		28.4		23.6		16.7		13

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.2		7.9		11.4		16.9		22		26.1		28.8		28.3		25.4		20.6		14.9		9.6		7.2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		3.2		4.2		5.7		7		8.5		7.8		7.1		6		5		4.1		3.4		2.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.5		16.4		22.1		26.2		25		26.4		26.3		26.9		26.9		25.9		22.9		19.1		18.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		30.3		18.8		27.2		32.2		31		36.5		38.5		39.4		36.5		32.3		26.7		22.8		22.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.6		5.7		8		13.9		18.6		19.3		25.3		25.7		23.9		19.3		13.3		8		5.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		3.7		2.6		2.6		3.2		5.1		5.2		5.4		4.8		4.3		3.6		3.1		2.4		1.9

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.6		7.8		9.8		16.1		18.9		17.7		22		22.8		23.4		22		18		11.7		9.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.8		6.8		8.3		15.2		18.9		16.7		26.6		28.3		28.3		25.1		19		11.6		8.9