LAKE ITASCA, MINNESOTA

Average Temperature

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3.6		-15		-12		-4.9		4.3		11.4		16.7		19.6		18.2		12.9		6.4		-2.8		-11.1

Average High Temperature

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.4		-8.3		-4.7		2		11.4		19.1		23.8		26.8		25.5		19.7		12.8		2.2		-5.5

Average Low Temperature

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-3.1		-21.6		-19.3		-11.8		-2.9		3.7		9.6		12.3		11		6.1		0.1		-7.8		-16.8

Highest Recorded Temperature

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		40.6		16.7		17.2		27.2		35.6		36.7		37.8		40.6		38.3		37.2		33.3		23.3		15

Lowest Recorded Temperature

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-46.7		-46.1		-46.7		-42.2		-27.2		-11.7		-4.4		---		-3.3		-8.9		-25.6		-34.4		-43.9

Average Number of Days Above 90F/32C

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.1		---		---		---		---		0.3		1.3		3.1		2		0.4		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		200.7		30.9		28.1		29.5		22.2		9.2		0.8		---		0.2		4.2		16.9		27.9		30.8

Average Number of Days Below 0F/-17C

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		61.3		19.9		15.9		7.9		0.3		---		---		---		---		---		0.1		3		14.2

Average Precipitation

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		656		21		16		31		54		77		109		88		86		68		52		31		23

Average Number of Days With Precipitation

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		100		6		5		6		8		11		12		10		10		10		8		7		7

Most Reported Precipitation in a Month

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		334		68		48		148		139		221		274		334		251		218		169		108		93

Least Reported Precipitation in a Month

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		---		2		---		14		7		8		9		4		---		---

Most Precipitation Reported in a Day

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		137.7		57.1		29		73.9		73.2		75.7		137.7		117.1		93.7		66		76.2		49.8		35.6

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

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		58		3		2		4		5		7		8		6		6		6		5		3		3

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

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		15		---		---		1		1		2		3		2		2		2		1		1		---

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

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		---		---		---		---		1		1		1		1		1		---		---		---

Average Number of Rainy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		95.8		6.2		4.8		6.2		7.8		10.4		11.5		9.9		9.4		9.2		7.3		6.4		6.2

Most Rain Reported in a Day

Years on Record: 86

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		130		20		20		60		70		70		130		110		90		60		70		40		30

Most Rain Reported in a Month

Years on Record: 86

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		900		60		40		100		130		220		270		330		250		170		160		100		90

Least Rain Reported in a Month

Years on Record: 86

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		310		---		---		---		---		---		10		---		---		---		---		---		---

Average Snowfall

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		133.6		27.9		18		24.1		14		0.8		---		---		---		---		3.6		20.8		24.4

Most Snow Reported in a Month

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		110.5		88.9		71.1		104.1		110.5		20.3		---		---		---		---		36.8		72.4		66

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5755		1070.6		852.8		726.7		452.2		225.6		86.1		37.8		57.8		198.9		407.2		680.6		958.9

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		144.4		---		---		---		---		9.4		30.6		55.6		45.6		3.3		---		---		---

Growing Degree Days

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		880.9		---		---		---		---		43.1		200		296.2		254.9		86.7		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.6		10.9		12.5		14.2		15.7		16.5		16.1		14.7		13		11.3		9.9		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		13		5.3		8.8		12.7		16.8		19.9		20.9		21.1		18.5		13.1		8.9		5.7		4.4

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		3.1		4.5		6.2		7.6		8.9		9.5		9.1		8		6.3		4.5		3.3		2.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.5		9.4		13.6		16.4		17.5		18.3		18.1		18.8		18.3		14.9		12		9.5		7.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.8		8.2		12		14		16.7		18.5		18.7		19.7		18.2		13.6		11.1		8.2		7.1

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		5.3		8.8		12.7		16.8		19.9		20.9		21.1		18.5		13.1		8.9		5.7		4.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.4		3.3		4.7		6.5		7.7		9.1		9.6		9.3		8.1		6.8		4.9		3.5		2.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.7		10.5		14.8		18.4		21.5		20.6		21.1		20.8		21		18.6		13.8		10.6		9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.1		9.5		13.2		16.4		22.7		22.7		24.6		23.6		22.6		18.2		13.1		9.5		8.3

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		4.8		7.9		11		14.1		17.5		18.4		17.2		15.2		10.8		7.2		5.3		3.7

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		2.8		4.1		5.9		7.5		8.8		9.3		9		7.9		5.9		3.9		3.1		2.3

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		8.1		12		13.9		14.3		16		15.9		15.3		14.7		11.9		9.5		8.9		6.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.4		7		10.4		11.1		11.6		14.1		14.3		13		12.2		9.7		8.4		7.4		5.6