LAMBERTON, MINNESOTA

Average Temperature

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		44.5		12.8		18.1		30.3		45.4		58.4		68.4		72		69.3		60.6		48.5		32.6		18

Average High Temperature

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		55.6		22.7		28.1		39.8		57		70.7		80.2		83.7		81.1		73.3		60.9		42.4		27.2

Average Low Temperature

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		33.5		2.9		8.1		20.8		33.9		46.1		56.5		60.4		57.4		47.8		36.2		22.9		8.8

Highest Recorded Temperature

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		106		66		65		84		95		99		106		105		106		102		92		81		68

Lowest Recorded Temperature

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-34		-34		-30		-23		3		18		35		39		35		20		8		-15		-31

Average Number of Days Above 100F/38C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.5		---		---		---		---		---		0.3		0.2		---		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17.5		---		---		---		0.2		1.6		4.4		6		3.9		1.3		0.2		---		---

Average Number of Days Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		70.9		---		---		0.1		1.5		5.8		15.2		21		17.4		8.2		1.6		0.1		---

Average Number of Days Above 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		133		---		---		0.5		5.5		16.4		25.8		30.2		28.8		18.8		6.3		0.6		---

Average Number of Days Above 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		177.3		---		0.4		2.3		12.3		25		29.6		31		30.9		26.8		15.3		3.6		0.1

Average Number of Days Above 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		214.8		0.6		1.7		6.8		20.5		30		30		31		31		29.8		24.4		8.2		0.9

Average Number of Days Above 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		252.1		2.9		5.7		14.9		26.6		31		30		31		31		30		29.2		15.2		4.5

Average Number of Days Below 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		361.2		31		28		31		30		31		29.1		28.7		30.4		30		31		30		31

Average Number of Days Below 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		321.6		31		28		31		29.9		29.2		20.4		14.1		19.3		27		30.8		30		31

Average Number of Days Below 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		258.2		31		28		31		28.7		20.5		5.1		1.2		4.6		18		29.1		29.9		31

Average Number of Days Below 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		209.2		31		28		30.2		23.9		7.7		0.3		---		0.2		6.2		22		28.8		31

Average Number of Days Below 32F/0C

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		169.4		30.9		27.7		26.6		13.9		1.8		---		---		---		1.5		11.5		24.8		30.7

Average Number of Days Below 20F/-6C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		98.5		26.6		20.6		12.6		2.1		---		---		---		---		---		1.6		11.7		23.3

Average Number of Days Below 10F/-12C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		59.7		19.5		14.3		5.8		0.3		---		---		---		---		---		0.1		4.1		15.7

Average Number of Days Below 0F/-17C

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		36		14.3		9.3		2.3		---		---		---		---		---		---		---		1.1		9

Average Precipitation

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		26.7		0.6		0.6		1.5		2.8		3.2		3.9		3.7		3.2		3.1		2.1		1.2		0.7

Average Number of Days With Precipitation

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		93		5		5		7		9		11		11		10		9		9		7		5		5

Most Reported Precipitation in a Month

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		11.1		2.6		2.1		4.6		8.8		7.1		11.1		9.8		6.5		10.6		7.9		4.8		2.5

Least Reported Precipitation in a Month

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		---		---		0.1		0.4		0.3		0.8		0.6		0.6		0.5		---		---		---

Most Precipitation Reported in a Day

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		4.3		1.2		1.4		1.5		3.6		3.5		4.3		3.8		3.6		4.3		2.6		1.9		1

Avg. No. of Days w/Precip. Above 0.1in/2.5mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		54.4		1.8		1.7		4.2		5.9		7		7.2		6.1		5.8		5.5		3.9		3.3		2

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

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		54		2		2		4		6		7		7		6		5		6		4		3		2

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

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17		---		---		1		2		2		3		3		2		2		1		1		---

Avg. No. of Days w/Precip. Above 0.5in/13mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17.7		0.1		0.1		0.9		2.1		2.2		2.6		2.5		2.5		2.2		1.5		0.8		0.2

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

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7		---		---		---		1		1		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		91.3		5.3		4.8		6.6		9.4		10.7		10.6		10.1		8.6		9.2		6.1		5.4		4.9

Most Rain Reported in a Day

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		4.3		1.5		1.4		1.5		2		3.5		4.3		2.8		3.6		4		2.5		1.9		1

Most Rain Reported in a Month

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		40.9		2.6		2.1		4.6		7.6		7.1		11.1		9.8		6.5		9.4		7.9		4.8		2.6

Least Rain Reported in a Month

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		12.5		---		---		0.1		0.4		0.3		0.8		0.6		0.6		0.5		---		---		---

Average Snowfall

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		41		8.4		7.4		8.4		2.6		---		---		---		---		---		0.4		5.4		8.4

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		19		4.4		3.6		3		1.1		---		---		---		---		---		0.2		2.5		4.2

Most Snow Reported in a Month

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		30.5		30.5		22.5		28.5		18.5		---		---		---		---		---		4		22		29.5

Avg. No. of Days w/Snow Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		15.4		3.6		3		2.4		1		---		---		---		---		---		0.2		2.2		3

Avg. No. of Days w/Snow Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.4		1		0.7		1.2		0.5		---		---		---		---		---		---		1		1

Avg. No. of Days w/Snow Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.6		0.4		0.2		0.6		0.3		---		---		---		---		---		---		0.5		0.6

Avg. No. of Days w/Snowfall Above 10in/25cm

Years on Record: 30

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

Avg. # of Days w/Snow Depth Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		79.5		21.8		19.1		11.6		1.8		---		---		---		---		---		0.2		7.6		17.4

Avg. # of Days w/Snow Depth Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		59.1		17.6		15.2		8		0.7		---		---		---		---		---		---		5.2		12.4

Avg. # of Days w/Snow Depth Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		44		13.9		10.7		6.2		0.3		---		---		---		---		---		---		2.9		10

Avg. # of Days w/Snow Depth Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.8		8.2		5.6		3.6		---		---		---		---		---		---		---		0.5		5.9

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8114		1590		1298		1074		604		250		50		12		32		189		553		995		1468

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		627		---		---		---		4		39		144		223		159		52		5		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2599		---		---		5		69		283		545		676		592		331		89		9		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.9		11		12.5		14		15.4		16.1		15.7		14.5		13		11.4		10.1		9.5

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		1.7		2.4		3.5		4.6		5.4		6		6.1		5.3		4.1		2.9		1.8		1.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.6		0.9		1.4		1.9		2.2		2.4		2.2		1.9		1.5		1.1		0.7		0.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.4		3.4		3.8		4.4		4.8		5		5.2		5.5		5.3		4.8		4.1		3.2		2.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.6		3.4		3.9		4.2		4.8		5.2		5.7		6.3		5.7		4.9		4.2		3.2		3.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		1.7		2.4		3.5		4.6		5.4		6		6.1		5.3		4.1		2.9		1.8		1.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.7		1		1.4		2		2.3		2.5		2.4		2.1		1.6		1.1		0.8		0.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.3		4.1		5.3		5.6		6		5.9		6.2		6		6		5.8		5.3		4.2		3.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.2		4.4		6		5.9		7		7		8.2		7.5		7.2		6.6		5.8		4.7		4

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		1.5		2.1		2.6		3.9		4.2		5.4		4.8		4.6		3.3		2.1		1.5		1.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.3		0.6		0.8		1.3		1.6		2.1		2.1		2.1		1.7		1.3		0.9		0.6		0.5

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		2.8		3		3		3.9		3.9		4.7		4.3		4.5		3.6		2.8		2.5		2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.1		2.7		2.8		2.4		3.3		3.1		4.5		3.8		4.2		3.1		2.4		2.3		2