REEF STATION, CALIFORNIA

Average Temperature

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18		8.8		10.3		12.8		16.1		20		25.2		28.7		28.1		24.2		19.2		12.6		9.9

Average High Temperature

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		26.9		15.2		17.1		21.2		24.9		28.6		35.3		39.3		39.4		34.7		28.6		21.5		17.5

Average Low Temperature

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.2		2.5		3.5		4.3		7.4		11.3		15.2		18.1		16.6		14.8		10.4		3.8		2.4

Highest Recorded Temperature

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		47.2		24.4		25.6		32.2		35		40.6		46.1		47.2		46.1		47.2		37.2		34.4		25.6

Lowest Recorded Temperature

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-10.6		-10.6		-6.1		-3.9		-2.2		3.3		6.7		10		9.4		7.8		2.8		-3.9		-6.7

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
mm		167		38		31		20		22		16		1		---		---		3		5		15		16

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
mm		106		53		53		106		45		35		4		---		---		16		14		49		75

Least Reported Precipitation in a Month

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		25		7		---		4		---		---		---		---		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		42.2		21.3		19.1		42.2		18.5		16.5		3.8		---		---		8.1		14.5		20.3		27.7

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
cm		0.8		0.8		---		---		---		---		---		---		---		---		---		---		---

Most Snow Reported in a Month

Years on Record: 7

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

Heating Degree Days

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		403.9		125.6		82.2		42.8		13.3		1.7		---		---		---		---		1.1		41.7		95.6

Cooling Degree Days

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1164.4		---		---		2.2		18.9		77.2		208.3		320.6		300.6		177.2		56.7		2.8		---

Growing Degree Days

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2973.1		---		9.4		86.1		183.3		310		456.7		578.7		559.7		425		285.9		78.3		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.5		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
Mj/m2		19.4		8.8		12.9		18.3		23.6		27.6		30.1		29		26.3		21.5		16.1		10.8		8.3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.4		3.2		3.8		4.7		5.5		5.9		5.7		5.7		5		4.3		3.5		3.1		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		21.3		13.4		17.4		21.9		24.2		25.1		25.8		25.5		25.6		24.4		22		16.6		13.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		26.1		14.3		19.4		24.6		28.9		32.9		36.5		35		33.1		29.4		25.2		18.8		14.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.4		8.8		12.9		18.3		23.6		27.6		30.1		29		26.3		21.5		16.1		10.8		8.3

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		3.4		4.5		5.7		6.7		7.7		6.8		7.1		5.8		5.1		4.1		3.5		3.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.2		16.4		22.7		26.5		26.9		27.5		27		27.5		27.4		26.5		24.4		20		17.8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		31.6		18.8		28.2		32.6		34.6		39.1		39.9		40.8		37.3		33.4		29.2		24.2		21.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.2		7		10.4		15.2		20.5		23.2		28		26		24.7		19.9		14.5		9.4		7.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		3.5		2.8		2.6		3.3		4.4		4.6		4.9		4.4		4.1		3.5		2.9		2.4		2.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.3		9.7		13.1		17.5		20.8		21.2		24.2		23		24.1		22.4		19.2		13.5		11.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.5		9		12.7		17.1		22.1		23.5		31.8		28.5		29.5		25.4		20.7		14.2		11.2