LAKEHEAD, CALIFORNIA

Average Temperature

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.8		5.8		8.2		9.6		12.9		16.9		21.1		24.8		24		21.3		15.9		10.6		6.8

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		22		11.8		14.9		16.3		18.7		24.1		29.1		35.3		35.4		31.3		22.5		13.7		9.4

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.6		0.4		1.2		3.4		4.6		8.2		12.6		15.7		14.9		11.8		5.4		1.3		-0.7

Highest Recorded Temperature

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		46.1		25.6		28.3		35		36.7		38.9		45.6		42.8		45		46.1		38.9		34.4		27.8

Lowest Recorded Temperature

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-11.1		-11.1		-8.9		-6.1		-3.9		-0.6		2.2		6.7		6.1		1.7		-4.4		-7.2		-9.4

Average Number of Days Above 90F/32C

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		85.5		---		---		0.2		0.7		4		10.9		25.6		24.4		15.7		3.9		0.2		---

Average Number of Days Below 32F/0C

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		60.3		16.6		12		8.6		2.8		0.4		---		---		---		---		1		5.4		13.5

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1742		349		268		197		127		67		38		4		14		17		107		252		303

Average Number of Days With Precipitation

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		83		12		10		11		7		6		4		1		2		2		6		10		12

Most Reported Precipitation in a Month

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1245		793		905		555		415		229		269		24		118		128		652		716		1245

Least Reported Precipitation in a Month

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		39		6		4		3		---		---		---		---		---		---		---		10

Most Precipitation Reported in a Day

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		389.6		228.1		196.6		120.7		127.5		98.5		139.2		21.3		49.8		99.8		144		130.8		389.6

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

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		62		10		8		8		5		4		3		---		1		1		4		8		10

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

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		35		7		5		5		3		1		1		---		---		---		2		5		6

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

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24		5		4		3		2		1		---		---		---		---		1		4		4

Average Snowfall

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		51		25.6		8.9		2.8		0.8		---		---		---		---		---		---		2.8		10.2

Most Snow Reported in a Month

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		163.8		163.8		69.8		34.3		12.7		---		---		---		---		---		---		50.8		86.4

Heating Degree Days

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		812.8		216.1		135		112.8		50		11.7		0.6		---		---		0.6		15		85.6		185.6

Cooling Degree Days

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		645		---		---		0.6		4.4		32.2		100		202.2		178.9		103.3		22.2		1.1		---

Growing Degree Days

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2070		---		---		---		88.3		213.6		333.3		459.8		434		340		184.3		16.7		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.2		11.2		12.5		13.8		15		15.6		15.3		14.2		12.9		11.5		10.4		9.8

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.4		7.5		11		15.3		19.7		24.2		28		28.7		25.3		20		13.8		8.1		6.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.5		2.5		3.4		4.8		6.3		7.1		6.7		5.7		4.9		4.1		3.4		2.8		2.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.7		13.4		16.2		19		20.4		22.2		24.1		25.3		25.3		23.8		20.3		13.6		12.7

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		14.5		17.9		20.3		22.4		27		32.9		35.9		33.3		28.9		23		14.6		13.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.4		7.5		11		15.3		19.7		24.2		28		28.7		25.3		20		13.8		8.1		6.6

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		2.8		3.8		5.5		7.2		8.5		7.9		6.9		5.9		5.5		4.1		3.1		2.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.9		17.1		20.1		21.9		24.2		26		26.4		27.4		27.1		26.8		23.3		18.2		16.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		29.6		19.8		24		25		29.6		36.3		39.6		41.5		37.5		34.3		27.5		21.3		19.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.5		5.9		9.3		12.3		15.5		18		24.8		26.1		23.3		16.4		11.2		6.4		5.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		3.6		2.1		2.7		4.2		5.3		5.3		5.2		4.4		4		3.1		2.7		2.2		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		15.9		9.5		12.9		14.5		15.7		16.5		21.5		23.1		23		18.8		15.3		9.8		9.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.9		9.3		13		13.3		14		15		26.1		29.8		28.2		19.9		15.4		9.4		9.8