NEWHALEM, WASHINGTON

Average Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.8		1.8		3.6		5.7		8.9		12.6		15.4		18.3		18.4		15.4		10.1		5		2.1

Average High Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.2		4.1		6.7		9.8		13.9		18.2		21.2		24.9		24.9		21.1		14		7.6		4.2

Average Low Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5.3		-0.4		0.4		1.6		3.8		6.9		9.7		11.6		11.9		9.8		6.2		2.5		0.1

Highest Recorded Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		42.2		17.2		16.1		23.9		31.7		38.3		37.8		41.7		42.2		36.7		26.7		23.3		14.4

Lowest Recorded Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-20		-16.7		-16.7		-8.9		-3.9		-1.1		1.7		5		4.4		0.6		-6.7		-13.9		-20

Average Number of Days Above 90F/32C

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.7		---		---		---		---		0.4		1.3		3.4		3.2		0.4		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		60		16.3		12		8.7		1.8		0.1		---		---		---		---		0.5		6.2		14.4

Average Number of Days Below 0F/-17C

Years on Record: 52

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

Average Precipitation

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		2016		311		206		183		124		85		68		44		51		94		202		329		317

Average Number of Days With Precipitation

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		176		19		15		18		16		14		12		8		8		11		16		20		19

Most Reported Precipitation in a Month

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		803		662		488		405		345		217		192		170		153		286		575		803		600

Least Reported Precipitation in a Month

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		45		4		15		36		25		10		---		---		2		9		63		42

Most Precipitation Reported in a Day

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		172.7		111.2		133.9		93		81.3		50		67.6		58.9		50.8		77.7		172.7		158		118.1

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

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		126		15		12		13		11		8		7		4		5		7		12		16		16

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

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		54		8		6		5		3		2		1		1		1		3		6		9		9

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

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21		4		2		2		1		---		---		---		---		1		3		4		4

Average Snowfall

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		94		39.1		17.5		5.3		0.2		---		---		---		---		---		---		6.9		24.9

Average Snow Cover

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2		10		5		---		---		---		---		---		---		---		---		---		5

Most Snow Reported in a Month

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		159		159		149.9		29.2		5.8		2.8		---		---		---		---		2.5		69.8		134.6

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3357.2		523.3		432.8		400		290.6		191.1		111.7		52.2		48.9		112.8		262.8		414.4		516.7

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		105.6		---		---		---		---		2.2		9.4		32.8		41.7		19.4		---		---		---

Growing Degree Days

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		924.2		---		---		---		---		79.2		163.3		256.6		260.1		163.3		1.7		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.4		10.8		12.5		14.3		15.9		16.8		16.3		14.8		13.1		11.3		9.7		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		12.6		4.5		7.7		11.9		16.6		19.3		20		21.3		18.7		14		8.3		4.9		3.7

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6		2.7		4.1		6		7.6		9		9.6		9.3		8		6.5		4.3		2.9		2.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.1		7.9		12.2		15.3		17.4		17.8		17.3		18.9		18.6		16.4		11.5		8.3		7.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.5		7.1		10.7		13.3		16.8		17.6		17.3		20.1		19		15.7		10.7		7.2		6.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.6		4.5		7.7		11.9		16.6		19.3		20		21.3		18.7		14		8.3		4.9		3.7

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.5		3		4.5		6.7		7.7		9.1		9.8		10.6		8.2		7.2		5.1		3.2		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		17.1		9.5		14.1		18.8		20.2		21.9		21		24.3		21.5		20.8		15.1		10.3		7.8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.8		8.8		12.5		18		21.2		24.9		24.6		28		23.5		21		14.6		8.9		7.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.2		4		6		10.2		14.3		15.9		15.2		16.1		16.2		10.3		6.7		4		3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		2.5		3.5		5.7		7.5		8.9		9.5		9.1		7.9		5.8		3.7		2.5		1.9

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.1		6.9		9		12.5		14.7		14.5		13.3		14.3		15.9		11.5		9		6.4		5.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.2		6		7.6		10.2		12.4		11.7		9.6		11.3		14.3		9.4		8		5.3		4.5