SKYKOMISH, WASHINGTON

Average Temperature

Years on Record: 45

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3		-5		-2		-1		1		5		8		12		12		10		5		-1		-4

Average High Temperature

Years on Record: 45

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7		-1		---		2		5		9		13		18		18		15		9		1		-1

Average Low Temperature

Years on Record: 45

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		---		-7		-5		-4		-1		1		4		7		7		5		1		-3		-6

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		22.9		1.9		3.8		6.8		8.8		14.5		17.6		22.9		22.7		18.3		12.8		4.8		2.9

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-12.4		-12.4		-10.8		-8.3		-6.1		-1.3		1		5		5.1		2.6		-1.7		-10.9		-11.4

Average Number of Days Above 90F/32C

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.3		---		---		---		---		---		---		0.2		0.1		---		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		195.1		30		27.5		28.6		23.4		12.9		2.1		0.1		0.1		2.1		12.7		26.1		29.5

Average Number of Days Below 0F/-17C

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.9		1.4		0.3		0.1		---		---		---		---		---		---		---		0.3		0.8

Average Precipitation

Years on Record: 45

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		2070		330		230		180		120		90		80		30		50		100		180		300		330

Average Number of Days With Precipitation

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		180		20		17		19		16		15		13		8		8		10		14		19		21

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		770		658		580		358		228		237		204		135		149		187		423		770		713

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		23		23		37		51		46		26		---		8		7		3		66		56

Most Precipitation Reported in a Day

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		205.7		122.9		161		81.3		108.7		48		74.4		37.3		32.5		50.8		138.2		205.7		141

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

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		134		17		14		15		12		9		8		4		4		7		11		16		17

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

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		53		9		6		5		3		2		2		1		1		2		5		8		9

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

Years on Record: 56

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

Average Snowfall

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		1198.4		265.9		197.1		179.3		82.8		23.4		1.8		0.2		---		1.3		40.9		168.7		237

Average Snow Cover

Years on Record: 45

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		104		193		236		261		238		144		25		---		---		---		2		38		114

Most Snow Reported in a Month

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		600.7		600.7		421.6		375.9		200.7		74.9		21.6		3.8		---		16.5		221		379.7		402.6

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5350		688.9		591.1		588.3		498.3		399.4		287.8		175.6		163.3		260		416.7		592.2		688.3

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.7		---		---		---		---		---		---		2.8		3.3		0.6		---		---		---

Growing Degree Days

Years on Record: 45

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		172.2		---		---		---		---		---		---		86.1		86.1		---		---		---		---

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		15.8		16.6		16.2		14.7		13		11.3		9.8		9.1

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.8		4.5		7.8		11.6		16.2		18.9		20.4		22.2		19.5		14.9		8.7		5		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		9.5		9.2		8		6.6		4.4		3		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		7.6		11.8		14.2		16.9		17.4		17.7		19.7		19.5		17.4		11.9		8.1		6.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		6.8		10.5		12.3		15.7		16.7		17.9		21.5		20.3		16.7		11.1		7.1		6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.8		4.5		7.8		11.6		16.2		18.9		20.4		22.2		19.5		14.9		8.7		5		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		3.1		4.5		6.5		7.7		9.1		9.7		10.3		8.3		7.2		5.2		3.4		2.6

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		9.4		14.2		17.8		20.8		21.2		20.7		24		22		20.5		15.6		10.6		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		17.6		8.6		12.6		16.7		21.9		23.8		24		27.8		24.1		20.6		15.2		9.4		7.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.8		3.8		6		10.5		13.9		16.8		17.1		17.3		17.3		12.2		7.1		4.2		3.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		2.5		3.5		5.8		7.5		8.8		9.4		9.1		7.9		6.1		3.8		2.6		2.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.6		6.3		8.7		12.5		14.2		15.3		14.9		15.3		17.1		13.9		9.4		6.5		5.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10		5.4		7.4		10.4		11.4		13		12.2		13.2		16.3		12.4		8.4		5.5		4.7