LAKE ITASCA, MINNESOTA

Average Temperature

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		38.5		5		10.4		23.2		39.7		52.5		62		67.2		64.8		55.2		43.6		27		12

Average High Temperature

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		50.7		17		23.5		35.6		52.5		66.4		74.8		80.2		77.9		67.4		55		36		22.1

Average Low Temperature

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		26.4		-6.9		-2.7		10.8		26.8		38.7		49.2		54.2		51.8		43		32.2		17.9		1.8

Highest Recorded Temperature

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		105		62		63		81		96		98		100		105		101		99		92		74		59

Lowest Recorded Temperature

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-52		-51		-52		-44		-17		11		24		32		26		16		-14		-30		-47

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
in		25.8		0.8		0.6		1.2		2.1		3		4.3		3.5		3.4		2.7		2.1		1.2		0.9

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
in		13.2		2.7		1.9		5.8		5.5		8.7		10.8		13.2		9.9		8.6		6.7		4.2		3.7

Least Reported Precipitation in a Month

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		---		---		---		0.1		---		0.6		0.3		0.3		0.4		0.1		---		---

Most Precipitation Reported in a Day

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		5.4		2.2		1.1		2.9		2.9		3		5.4		4.6		3.7		2.6		3		2		1.4

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
in		5.4		0.9		1.1		2.7		2.9		3		5.4		4.6		3.7		2.5		3		2		1.4

Most Rain Reported in a Month

Years on Record: 86

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		35.7		2.7		1.9		4.1		5.5		8.7		10.8		13.2		9.9		7.1		6.7		4.2		3.7

Least Rain Reported in a Month

Years on Record: 86

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		12.2		---		---		---		0.1		---		0.6		0.3		0.3		0.4		0.1		---		---

Average Snowfall

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		52.6		11		7.1		9.5		5.5		0.3		---		---		---		---		1.4		8.2		9.6

Most Snow Reported in a Month

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		43.5		35		28		41		43.5		8		---		---		---		---		14.5		28.5		26

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9999.9		1927		1535		1308		814		406		155		68		104		358		733		1225		1726

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		260		---		---		---		---		17		55		100		82		6		---		---		---

Growing Degree Days

Years on Record: 100

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1585.5		---		---		---		---		77.5		360		533.2		458.8		156		---		---		---

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
kWh/m2		3.6		1.5		2.4		3.5		4.7		5.5		5.8		5.9		5.1		3.7		2.5		1.6		1.2

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		0.9		1.2		1.7		2.1		2.5		2.6		2.5		2.2		1.8		1.2		0.9		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		2.6		3.8		4.6		4.9		5.1		5		5.2		5.1		4.2		3.3		2.7		2.2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		2.3		3.3		3.9		4.6		5.1		5.2		5.5		5.1		3.8		3.1		2.3		2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.6		1.5		2.4		3.5		4.7		5.5		5.8		5.9		5.1		3.7		2.5		1.6		1.2

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		1.8		2.2		2.5		2.7		2.6		2.3		1.9		1.4		1		0.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.7		2.9		4.1		5.1		6		5.7		5.9		5.8		5.8		5.2		3.8		2.9		2.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.7		2.6		3.7		4.6		6.3		6.3		6.8		6.6		6.3		5.1		3.6		2.6		2.3

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.1		1.3		2.2		3.1		3.9		4.9		5.1		4.8		4.2		3		2		1.5		1

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		0.8		1.2		1.6		2.1		2.4		2.6		2.5		2.2		1.7		1.1		0.9		0.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.4		2.3		3.3		3.9		4		4.4		4.4		4.2		4.1		3.3		2.6		2.5		1.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.9		2		2.9		3.1		3.2		3.9		4		3.6		3.4		2.7		2.3		2.1		1.6