LEMANSKY LAKE, WASHINGTON

Average Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.4		-8.6		-4.1		-2.6		3.2		9.2		11.5		15.7		15.5		12.3		5.3		-0.1		-5

Average High Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.9		-4.5		0.3		2.7		8.7		15.4		17.9		23.1		22.8		19.3		10.5		3.6		-1.3

Average Low Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-1.2		-12.7		-8.6		-7.8		-2.4		2.9		5.1		8.2		8.2		5.4		0.2		-3.7		-8.7

Highest Recorded Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		31.1		7.2		8.3		11.7		22.8		26.7		28.9		31.1		30		30.6		22.8		17.2		6.1

Lowest Recorded Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-33.3		-33.3		-27.8		-25.6		-11.1		-7.8		-2.8		---		0.6		-3.3		-10		-17.8		-25

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		195		31		28		30.3		22.5		7.1		1.3		0.1		---		3.3		16.1		24.7		30.5

Average Number of Days Below 0F/-17C

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12.5		7.3		1		1.7		---		---		---		---		---		---		---		0.2		2.3

Average Precipitation

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		510		55		32		47		28		34		60		30		34		20		48		68		53

Average Number of Days With Precipitation

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		83		9		6		7		4		7		10		5		6		4		8		8		9

Most Reported Precipitation in a Month

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		131		107		62		96		56		68		112		86		97		69		125		107		131

Least Reported Precipitation in a Month

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		9		18		26		6		18		18		1		---		3		---		11		16

Most Precipitation Reported in a Day

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		68.1		24.9		21.6		29.5		30		27.2		31.5		27.9		68.1		37.3		31.2		33.5		31.2

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		55		7		5		5		3		3		6		3		3		2		5		6		7

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		13		1		1		1		1		1		2		1		1		---		1		2		1

Average Snowfall

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		253		68.1		37.6		39.6		7.6		0.5		---		---		---		---		6.3		38.9		54.4

Most Snow Reported in a Month

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		133.3		133.3		76.2		101.6		33		5.1		---		---		---		---		30.5		111.8		133.3

Heating Degree Days

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3338.3		663.3		475.6		475.6		289.4		121.1		62.8		11.7		11.7		58.9		232.2		384.4		551.7

Cooling Degree Days

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		27.2		---		---		---		---		---		1.7		13.3		8.9		3.3		---		---		---

Growing Degree Days

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		461.2		---		---		---		---		---		45		175.7		170.5		70		---		---		---

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		16		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		13.1		4.7		8.1		12.6		17		19.7		20.9		22.8		19.7		14.9		8.8		4.9		3.8

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.1		2.8		4.2		6.2		7.6		9		9.7		9.4		8.1		6.7		4.5		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		14.8		8.4		12.9		16.3		17.9		18.1		18.1		20.3		19.8		17.6		12.3		8.4		7.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.5		7.6		11.4		14.4		17.6		18.2		18.8		22.6		20.8		17.2		11.5		7.2		6.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.1		4.7		8.1		12.6		17		19.7		20.9		22.8		19.7		14.9		8.8		4.9		3.8

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		7.6		9.1		9.8		10.1		8.5		7.4		5.2		3.3		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		14.3		18.6		20.5		20.9		20.5		23.6		22.4		21.4		15.5		10.5		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		12.8		17.6		21.6		23.4		23.6		27.6		24.5		21.6		15.1		9.1		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		11.1		4.3		6.8		11.2		14.7		16.4		18.4		17.6		16.4		12.1		7		4.2		3.4

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		2.6		3.7		5.9		7.5		8.9		9.5		9.1		8		6.1		3.8		2.6		2.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.2		7.5		10.6		14		15.2		15		15.9		15.6		16.1		13.9		9.5		7.1		6.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.7		6.7		8.9		11.9		13.2		12.6		14.3		13.7		14.7		12.5		8.5		5.9		5.6