NESPELEM, WASHINGTON

Average Temperature

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		46.9		22.9		29.6		38.9		47.5		55.2		62.3		68.8		67.8		59		48.1		35		27.1

Average High Temperature

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		60.3		31		39.2		50.8		61.9		70.9		78.7		87.3		86.2		76.5		62.7		44		34.5

Average Low Temperature

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		33.4		14.8		19.9		27.2		33.2		39.6		45.9		50.3		49.3		41.5		33.5		26.1		19.8

Highest Recorded Temperature

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		110		60		66		79		93		97		101		107		110		102		88		70		58

Lowest Recorded Temperature

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-33		-33		-30		-8		-12		17		28		30		29		17		6		-18		-23

Average Number of Days Above 90F/32C

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		30.5		---		---		---		---		0.6		3.5		12.7		11.5		2.3		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		166.9		29.3		25.8		24.3		14		5.3		0.4		0.1		0.1		2.8		13.9		23.1		27.8

Average Number of Days Below 0F/-17C

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9.2		4.9		2		0.1		---		---		---		---		---		---		---		0.1		2

Average Precipitation

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		13.4		1.4		1.1		1.1		1.1		1.2		1.2		0.5		0.6		0.7		1		1.7		1.8

Average Number of Days With Precipitation

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		76		9		7		6		6		7		6		3		3		5		6		9		9

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		5.3		2.8		3.3		3.9		2.8		3.5		3.2		2.4		2.3		2.6		2.4		5.3		4.8

Least Reported Precipitation in a Month

Years on Record: 30

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

Most Precipitation Reported in a Day

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		2.2		1.4		1.4		1.3		1.2		1.9		1.4		2.2		1.6		1.2		1.6		1.2		1.1

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

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		39		5		4		3		3		3		3		1		2		2		3		5		5

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

Years on Record: 77

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

Average Snowfall

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		27.2		8.6		4.8		1.4		0.2		---		---		---		---		---		0.2		3		9

Average Snow Cover

Years on Record: 61

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

Most Snow Reported in a Month

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		37.3		23.8		25.4		10.1		5.6		---		---		---		---		---		4.1		15.5		37.3

Heating Degree Days

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4271		995		719		499		236		81		9		1		1		37		228		601		864

Cooling Degree Days

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		354		---		---		---		---		8		44		153		127		22		---		---		---

Growing Degree Days

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1934.8		---		---		---		---		161.2		369		582.8		551.8		270		---		---		---

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		16.2		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
kWh/m2		3.8		1.4		2.3		3.5		4.7		5.6		6.1		6.6		5.8		4.4		2.7		1.4		1.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		0.8		1.2		1.7		2.1		2.5		2.6		2.6		2.3		1.9		1.3		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		4.2		2.3		3.5		4.4		4.9		5.2		5.3		5.9		5.8		5.2		3.7		2.4		2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.2		2.1		3.1		3.9		4.8		5.3		5.7		6.7		6.2		5.1		3.5		2.1		1.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		1.4		2.3		3.5		4.7		5.6		6.1		6.6		5.8		4.4		2.7		1.4		1.1

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		1.3		1.9		2.1		2.5		2.7		2.9		2.4		2.1		1.5		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		4.9		2.6		3.9		5.2		5.6		6.2		6		6.7		6.3		6.1		4.6		2.9		2.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.1		2.4		3.5		5		5.9		7		7.1		7.8		6.9		6.1		4.6		2.6		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		3.2		1.2		1.9		3.1		3.8		4.7		5.4		5		5		3.6		2.3		1.2		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		1		1.6		2.1		2.5		2.6		2.5		2.2		1.7		1.2		0.8		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		3.5		2		2.8		3.8		3.9		4.3		4.7		4.4		5		4.1		3.2		2		1.6

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.1		1.8		2.4		3.2		3.1		3.7		4.6		3.9		4.9		3.8		3		1.7		1.4