VANCOUVER, WASHINGTON

Average Temperature

Years on Record: 155

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		52.4		38.6		42.1		46.3		50.9		56.5		61.5		66.3		66.3		61.5		53.5		45.2		40

Average High Temperature

Years on Record: 155

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		62.1		44.8		49.9		55.3		61.3		67.3		72.6		79		79.2		73.8		63.6		52.4		45.9

Average Low Temperature

Years on Record: 155

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		42.7		32.5		34.3		37.3		40.6		45.6		50.4		53.7		53.4		49.1		43.3		38		34.2

Highest Recorded Temperature

Years on Record: 155

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		106		65		73		83		90		99		105		106		103		103		90		72		65

Lowest Recorded Temperature

Years on Record: 155

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-10		-8		-3		18		23		28		34		37		35		28		19		6		-10

Average Number of Days Above 90F/32C

Years on Record: 155

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9.1		---		---		---		---		0.3		1		3.1		3.4		1.2		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 155

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		54.5		14.2		10.8		6.9		2.5		0.1		---		---		---		0.1		1.8		6.5		11.6

Average Number of Days Below 0F/-17C

Years on Record: 155

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.1		0.1		---		---		---		---		---		---		---		---		---		---		0.1

Average Precipitation

Years on Record: 155

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		39.5		5.8		4.4		3.8		2.7		2.3		1.7		0.6		0.8		1.8		3.2		6		6.5

Average Number of Days With Precipitation

Years on Record: 155

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		150		18		15		17		14		12		9		4		4		8		12		18		19

Most Reported Precipitation in a Month

Years on Record: 155

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		15.4		12.8		10.6		8.4		7.7		6.2		4.3		3.8		5.1		4.9		7.4		14.3		15.4

Least Reported Precipitation in a Month

Years on Record: 155

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		0.3		0.2		0.7		0.4		0.2		---		---		---		---		---		0.6		1.6

Most Precipitation Reported in a Day

Years on Record: 155

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		4.7		3.5		2.9		2.1		1.7		1.5		2		1.8		1.6		2.9		3.4		3.6		4.7

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

Years on Record: 155

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		100		13		11		11		9		7		5		2		2		5		8		13		14

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

Years on Record: 155

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

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

Years on Record: 155

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

Average Snowfall

Years on Record: 155

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		6.5		3.8		1.3		0.3		---		---		---		---		---		---		---		0.1		1

Most Snow Reported in a Month

Years on Record: 155

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		42		42		15.5		5.5		---		---		---		---		---		---		---		4.5		18.3

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4990		805		643		585		449		289		148		62		65		151		391		608		794

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		197		---		---		---		---		3		17		75		78		24		---		---		---

Growing Degree Days

Years on Record: 155

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2037.6		---		---		---		27		201.5		345		505.3		505.3		345		108.5		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.7		11		12.5		14.1		15.5		16.3		15.9		14.6		13		11.4		10		9.3

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.4		1.2		2.1		3.1		4.1		5		5.4		5.8		5.3		4.1		2.4		1.3		1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		0.7		1.1		1.7		1.9		2.5		2.6		2.5		2.2		1.8		1.2		0.8		0.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.7		1.9		2.9		3.7		4.3		4.6		4.7		5.2		5.3		4.7		3.3		2		1.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.4		1.6		2.6		3.1		4.1		4.2		4.5		5.4		5.3		4.5		3		1.7		1.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.4		1.2		2.1		3.1		4.1		5		5.4		5.8		5.3		4.1		2.4		1.3		1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.8		0.9		1.2		1.8		2		2.5		2.7		2.6		2.3		2		1.4		1		0.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.5		2.5		3.5		4.8		5.4		5.6		5.6		6.1		5.9		5.5		4.2		2.7		2.2

Maximum 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		3.2		4.4		5.7		6.1		6.2		7.1		6.3		5.5		4		2.4		2.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.8		1		1.6		2.4		3.5		4.1		4.5		4.1		4.5		3.5		1.9		1.1		0.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		0.7		0.9		1.5		1.8		2.4		2.6		2.5		2.2		1.7		1.1		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		2.9		1.5		2.1		2.7		3.5		3.7		4		3.7		4.4		3.9		2.5		1.6		1.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.3		1.2		1.8		1.9		3		2.7		3.1		2.6		3.8		3.5		2.2		1.3		1.1