COLOMA, CALIFORNIA

Average Temperature

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.2		6.1		7.7		9.5		11.9		15.8		20		24		23.2		20.5		15.6		9.6		6.4

Average High Temperature

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		21.8		11.9		13.8		15.8		19.1		23.8		28.8		33.7		33		29.8		23.8		16.3		12.1

Average Low Temperature

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.6		0.3		1.7		3.1		4.7		7.9		11.1		14		13.4		11.2		7.2		3		0.6

Highest Recorded Temperature

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		45.6		25		25.6		30.6		33.3		40		42.8		45.6		42.8		42.2		37.8		30		24.4

Lowest Recorded Temperature

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-13.3		-12.8		-9.4		-7.2		-4.4		-1.7		-0.6		3.3		-1.1		---		-5		-6.7		-13.3

Average Number of Days Above 90F/32C

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		65.7		---		---		---		0.1		2		8.7		22		20		11		1.9		---		---

Average Number of Days Below 32F/0C

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		60.7		16.4		10.7		6.8		2.7		0.3		---		---		---		---		0.7		7.3		15.6

Average Precipitation

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		970		176		169		146		81		38		11		2		2		14		54		112		164

Average Number of Days With Precipitation

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		65		10		10		10		7		4		2		---		---		1		4		7		10

Most Reported Precipitation in a Month

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		592		488		490		405		299		209		78		92		40		206		289		372		592

Least Reported Precipitation in a Month

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		11		2		3		---		---		---		---		---		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		158		113		158		108.7		99.1		71.1		38.1		70.6		29.7		66.5		133.9		97.8		104.4

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

Years on Record: 111

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

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

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25		5		5		4		2		1		---		---		---		---		1		3		4

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

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12		2		2		2		1		---		---		---		---		---		1		2		2

Average Snowfall

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		6.6		3		0.8		1		0.8		---		---		---		---		---		---		---		1

Most Snow Reported in a Month

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		35.6		35.6		15.2		20.3		15.2		---		---		---		---		---		---		---		17.8

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1846.7		336.1		260		246.1		173.3		96.1		20		5.6		1.1		21.7		99.4		245.6		341.7

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		646.7		---		---		0.6		7.8		38.3		91.7		182.8		174.4		110.6		38.9		1.7		---

Growing Degree Days

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1868.6		---		---		---		56.7		180.8		300		434		409.9		315		172.2		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.3		11.3		12.5		13.7		14.8		15.4		15.1		14.1		12.8		11.6		10.5		10

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.3		8		11.3		16.4		21.1		25.4		29		29.6		26.6		21		14.9		9.1		7.3

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		2.8		3.7		4.8		6.1		6.7		6.2		5.3		4.5		4		3.4		2.9		2.4

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.4		13.3		15.8		20.1		21.7		23.2		24.9		26.1		26.3		24.6		21.4		14.8		13.2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.9		14.4		17.1		21.9		24.6		28.9		34.7		37.3		35.2		30.1		24.4		16.3		14.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.3		8		11.3		16.4		21.1		25.4		29		29.6		26.6		21		14.9		9.1		7.3

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		4.1		5.7		7.1		8.4		7.9		6.5		5.4		5.2		4.1		3.3		2.7

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		17.3		19.8		24.2		24.9		27.2		27.6		28		28.8		27		24.4		20.1		18.1

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		20.2		23.5		28.7		31.1		39		42.8		42.7		41.3		34.7		29.3		24.3		21.6

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.5		6.4		8.4		12.9		17.5		19.5		25		27.2		24.9		18.3		12.8		7.3		5.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		3.3		2.3		3		3.8		5		4.7		4.4		4		3.1		3.1		2.6		2.1		1.8

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		9.7		10.7		14.9		17.7		17.9		21.7		24		24.6		20.9		17.5		10.8		9.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		9.3		9.7		13.6		17		17.1		26		31.7		31.1		23.2		18.4		10.6		9.2