LOPEZ ISLAND, WASHINGTON

Average Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.2		5.1		5.7		6.7		9.1		12.2		13.4		15		14.9		14.3		11.3		7.8		6.2

Average High Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14		7.9		8.7		10.4		13.4		16.9		17.6		19.8		19.7		18.8		15.2		10.9		8.8

Average Low Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.3		2.2		2.7		2.9		4.8		7.4		9.3		10.2		10.2		9.7		7.4		4.7		3.7

Highest Recorded Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		33.9		13.3		15		17.8		22.2		26.7		33.9		31.1		27.8		28.3		24.4		16.7		15.6

Lowest Recorded Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-11.1		-8.9		-10		-7.8		---		---		5		6.1		7.2		3.9		0.6		-11.1		-8.3

Average Number of Days Above 90F/32C

Years on Record: 10

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

Average Number of Days Below 32F/0C

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26.4		8.2		5.3		4.8		0.5		0.2		---		---		---		---		---		3.2		4.2

Average Precipitation

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		492		63		47		38		30		18		29		22		18		25		55		62		85

Average Number of Days With Precipitation

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		112		14		11		11		8		6		7		5		4		6		11		13		16

Most Reported Precipitation in a Month

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		145		145		87		59		40		34		54		50		59		52		104		106		138

Least Reported Precipitation in a Month

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		27		29		13		4		6		7		---		2		12		24		14		39

Most Precipitation Reported in a Day

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		47		19.1		29.2		17.5		18.5		9.7		18		15.2		24.4		16.3		29.5		29.7		47

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

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		66		9		6		6		4		3		4		2		2		4		7		8		11

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

Years on Record: 10

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

Average Snowfall

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		17		8.6		2.3		1		---		---		---		---		---		---		---		0.8		4.3

Most Snow Reported in a Month

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		45.7		45.7		11.4		5.1		---		---		---		---		---		---		---		7.6		20.6

Heating Degree Days

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1205.6		238.9		199.4		190		111.7		36.1		12.8		2.2		0.6		8.3		52.8		150		202.8

Cooling Degree Days

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.6		---		---		---		---		---		1.7		2.8		0.6		0.6		---		---		---

Growing Degree Days

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		650.1		---		---		---		---		68.9		103.3		155		153.3		128.3		41.3		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.5		10.8		12.5		14.3		15.9		16.7		16.3		14.8		13		11.3		9.8		9

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.2		3.7		6.9		10.6		15.1		18.6		20.4		21.9		19.4		14.7		8.1		4.2		3.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		2.4		3.8		5.8		7.6		9		9.6		9.2		8		6.6		4.2		2.7		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		13.1		5.8		9.9		12.6		15.6		17.1		17.7		19.5		19.4		17.1		11		6.7		5.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.5		5.2		8.9		10.6		13.8		16.2		17.9		21.1		20.2		16.4		10		5.6		4.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.2		3.7		6.9		10.6		15.1		18.6		20.4		21.9		19.4		14.7		8.1		4.2		3.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.3		2.8		4.4		6.3		7.7		9.1		9.7		9.5		8.2		7.1		5		3.1		2.3

Maximum 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		7.6		12.5		16.6		19.7		21.2		19.8		22.8		21.7		19.9		14.4		8.9		6.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.5		7.1		11.6		15.3		20.3		23.8		22.1		26.7		23.6		19.9		13.8		8		5.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.1		3.1		4.7		8.2		11.8		16.2		17.2		18.1		16.5		12.7		6.4		3.6		2.7

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		2.1		3		5.3		7.5		8.8		9.4		9.1		7.9		6.2		3.6		2.4		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		10.5		4.5		6.2		9.2		11.7		14.8		15		16.1		16.2		14.5		8.4		5.3		4.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.8		3.7		4.9		6.4		8		12		12.5		14.7		14.8		13.3		7.3		4.1		3.4