REEF STATION, CALIFORNIA

Average Temperature

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		64.4		47.9		50.6		55		61		68		77.4		83.6		82.5		75.5		66.6		54.7		49.9

Average High Temperature

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		80.5		59.4		62.8		70.2		76.8		83.5		95.6		102.7		103		94.5		83.4		70.7		63.5

Average Low Temperature

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48.6		36.5		38.3		39.7		45.4		52.4		59.4		64.5		61.9		58.6		50.8		38.8		36.3

Highest Recorded Temperature

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		117		76		78		90		95		105		115		117		115		117		99		94		78

Lowest Recorded Temperature

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		13		13		21		25		28		38		44		50		49		46		37		25		20

Average Number of Days Above 90F/32C

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		124.1		---		---		0.2		2.4		7.8		23.2		29.5		31		21		8.6		0.4		---

Average Number of Days Below 32F/0C

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37.9		9.8		8.8		5		1		---		---		---		---		---		---		4.4		9

Average Precipitation

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		6.6		1.5		1.2		0.8		0.9		0.6		---		---		---		0.1		0.2		0.6		0.6

Average Number of Days With Precipitation

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32		6		6		5		4		2		---		---		---		1		2		2		4

Most Reported Precipitation in a Month

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		4.2		2.1		2.1		4.2		1.8		1.4		0.2		---		---		0.6		0.6		1.9		3

Least Reported Precipitation in a Month

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		1		0.3		---		0.2		---		---		---		---		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		1.7		0.8		0.8		1.7		0.7		0.6		0.2		---		---		0.3		0.6		0.8		1.1

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

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16		4		4		2		2		2		---		---		---		---		---		1		1

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

Years on Record: 7

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

Average Snowfall

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		0.3		0.3		---		---		---		---		---		---		---		---		---		---		---

Most Snow Reported in a Month

Years on Record: 7

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

Heating Degree Days

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		727		226		148		77		24		3		---		---		---		---		2		75		172

Cooling Degree Days

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2096		---		---		4		34		139		375		577		541		319		102		5		---

Growing Degree Days

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5351.7		---		17		155		330		558		822		1041.6		1007.5		765		514.6		141		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.5		11.4		12.4		13.6		14.6		15.1		14.8		13.9		12.8		11.7		10.7		10.2

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.4		2.5		3.6		5.1		6.6		7.7		8.4		8.1		7.3		6		4.5		3		2.3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.2		0.9		1.1		1.3		1.5		1.6		1.6		1.6		1.4		1.2		1		0.9		0.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.9		3.7		4.8		6.1		6.7		7		7.2		7.1		7.1		6.8		6.1		4.6		3.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7.2		4		5.4		6.8		8		9.2		10.1		9.7		9.2		8.2		7		5.2		4.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.4		2.5		3.6		5.1		6.6		7.7		8.4		8.1		7.3		6		4.5		3		2.3

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		1		1.2		1.6		1.9		2.1		1.9		2		1.6		1.4		1.2		1		0.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.7		4.6		6.3		7.4		7.5		7.6		7.5		7.7		7.6		7.4		6.8		5.6		4.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		8.8		5.2		7.8		9.1		9.6		10.9		11.1		11.3		10.4		9.3		8.1		6.7		5.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.8		1.9		2.9		4.2		5.7		6.5		7.8		7.2		6.9		5.5		4		2.6		2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1		0.8		0.7		0.9		1.2		1.3		1.4		1.2		1.1		1		0.8		0.7		0.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.1		2.7		3.7		4.9		5.8		5.9		6.7		6.4		6.7		6.2		5.3		3.8		3.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.7		2.5		3.5		4.8		6.1		6.5		8.8		7.9		8.2		7.1		5.8		3.9		3.1