WILLOWS - AIRPORT, CALIFORNIA

Average Temperature

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		62.4		47.1		51.3		54		56.8		68.1		74.2		79.8		78.6		74.8		63.7		54.9		46

Average High Temperature

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		76.1		55.5		62.2		66.6		71.4		83.6		89.6		96.6		95.9		91.7		78.9		66.6		54.8

Average Low Temperature

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48.8		38.7		40.4		41.4		42.2		52.7		58.7		63		61.3		57.9		48.4		43.2		37.2

Highest Recorded Temperature

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		114		70		80		82		88		99		108		105		114		108		100		91		78

Lowest Recorded Temperature

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		22		24		26		24		32		34		44		51		50		39		34		29		22

Average Number of Days Above 90F/32C

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		106.6		---		---		---		---		9		14.4		30.4		27.4		22		3.2		0.2		---

Average Number of Days Below 32F/0C

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22.2		7.7		1.8		1.4		0.4		---		---		---		---		---		---		1		10

Average Precipitation

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		17.5		4.7		2.5		1.8		0.8		0.3		0.6		---		0.2		---		0.6		2.2		3.7

Average Number of Days With Precipitation

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		51		10		8		6		5		2		2		---		---		---		3		6		9

Most Reported Precipitation in a Month

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		7.5		7.5		6.3		3.1		3.2		1.1		1.2		---		0.9		---		1.2		5.5		5.9

Least Reported Precipitation in a Month

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		1.7		0.2		1.4		---		---		---		---		---		---		0.1		0.8		1.4

Most Precipitation Reported in a Day

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		2.1		2.1		1.5		0.8		0.9		0.3		1		---		0.6		---		0.8		0.7		2

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

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31		7		4		4		2		1		1		---		---		---		2		3		7

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

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11		3		2		1		1		---		---		---		---		---		---		1		3

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

Years on Record: 5

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

Heating Degree Days

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		892		259		132		86		51		2		---		---		---		---		8		64		290

Cooling Degree Days

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1684		---		---		2		7		146		283		460		422		300		61		2		1

Growing Degree Days

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4777.9		---		36.7		124		204		561.1		726		923.8		886.6		744		424.7		147		---

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		11.2		12.5		13.8		14.9		15.5		15.1		14.1		12.9		11.6		10.5		9.9

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.9		2.1		3		4.3		5.5		6.7		7.8		8.3		7.3		5.7		4		2.3		1.8

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		0.8		1		1.4		1.8		2		1.8		1.4		1.3		1.1		0.9		0.8		0.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.5		3.5		4.2		5.2		5.7		6.2		6.7		7.3		7.2		6.8		5.8		3.8		3.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.6		3.7		4.5		5.5		6.3		7.5		9.2		10.5		9.6		8.3		6.6		4.1		3.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.9		2.1		3		4.3		5.5		6.7		7.8		8.3		7.3		5.7		4		2.3		1.8

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		0.8		1.1		1.6		2		2.4		2.3		1.7		1.6		1.5		1.2		0.9		0.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.4		4.4		5.6		6.4		6.7		7.3		7.4		7.7		7.8		7.4		6.7		5		4.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		8.4		5		6.7		7.4		8.1		10.3		11.2		11.8		11		9.4		8.1		5.8		5.4

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		1.6		2.1		3.4		4.4		4.8		6.6		7.7		6.7		4.8		3.3		1.8		1.4

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		0.7		0.8		1.1		1.5		1.4		1.4		1.2		1		0.9		0.7		0.7		0.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.3		2.4		2.7		4		4.4		4.4		5.7		6.8		6.6		5.5		4.5		2.5		2.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.6		2.2		2.3		3.6		3.9		3.7		6.6		9.3		8.3		6		4.5		2.3		2.1