DETROIT LAKES, MINNESOTA

Average Temperature

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.2		-14.9		-12.4		-4.3		5.2		12.3		17.5		20.4		19.2		13.9		7.1		-2.5		-11.2

Average High Temperature

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.6		-8.7		-6		1.7		11.8		19.4		24.1		27.2		26.2		20.6		13.5		2.5		-5.8

Average Low Temperature

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-2.2		-21.1		-18.9		-10.4		-1.5		5.2		10.9		13.5		12.3		7.2		0.8		-7.5		-16.6

Highest Recorded Temperature

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		41.7		12.8		15		25.6		36.7		36.1		38.9		41.7		38.3		37.8		32.2		23.9		15.6

Lowest Recorded Temperature

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-47.2		-46.1		-47.2		-40		-24.4		-9.4		-2.2		0.6		-0.6		-9.4		-23.3		-35.6		-44.4

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		0.1		---		---		---		---		---		---		---		0.1		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.6		---		---		---		---		0.3		1.4		3.5		2.6		0.6		---		---		---

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		60		---		---		---		0.9		4.2		11.4		19.1		18		5.8		0.7		---		---

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		124.1		---		---		0.1		4.2		15.7		24.9		29.9		29.3		16.5		3.5		---		---

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		167.7		---		---		1.1		11.1		25.7		29.3		31		30.9		26		11.2		1.4		---

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		202.9		---		0.5		3.8		19.6		29.9		30		31		31		29.4		22		5.5		0.2

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		239.3		1.1		3.3		12.9		26.2		30.9		30		31		31		30		28.1		12.1		2.8

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		360.1		31		28		31		30		31		29		28.7		29.6		29.8		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		323.1		31		28		31		30		29.1		21.6		16		17.8		26.7		30.9		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		263.5		31		28		31		28.9		21.3		7.7		2.9		4.8		17.5		29.5		29.8		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		213.2		31		28		30.6		24		9.2		1.2		---		0.7		6.8		21.8		28.8		31

Average Number of Days Below 32F/0C

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		187.9		30.8		27.6		28.5		19.2		6		0.4		---		0.1		3.5		14.3		27		30.6

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		110.9		28.5		23.2		15.8		3.3		---		---		---		---		---		2.3		12.4		25.3

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		72.7		22.6		17.2		8		0.4		---		---		---		---		---		0.2		5.4		18.8

Average Number of Days Below 0F/-17C

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		58.3		19.8		15.2		6.4		0.2		---		---		---		---		---		---		2.9		13.7

Average Precipitation

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		629		17		16		24		48		77		104		94		89		68		50		23		18

Average Number of Days With Precipitation

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		85		5		4		5		7		10		11		9		9		8		7		5		5

Most Reported Precipitation in a Month

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		309		65		98		78		131		224		262		309		276		251		169		99		55

Least Reported Precipitation in a Month

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		1		---		---		2		10		17		10		7		8		2		---		---

Most Precipitation Reported in a Day

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		137.2		57.1		59.7		33		57.1		90.2		94.7		114.3		137.2		83.8		88.7		36.3		28.2

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		58.3		1.9		2.1		3.2		4.1		7.8		8.1		6.7		6.1		6.7		5.9		3		2.7

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

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		53		2		2		3		5		7		8		6		6		5		4		3		2

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

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14		---		---		---		1		2		3		3		2		2		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		17.1		0.2		---		0.6		1.2		2.4		3		2.5		2.2		2		2.2		0.6		0.2

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

Years on Record: 116

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

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		1.4		0.6		0.6		0.8		1.1		1.6		2.3		2.6		2.5		2		1.3		0.9		0.7

Average Number of Rainy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		82.3		5.1		4.3		4.8		7.3		9.5		10.6		8.9		8.8		7.5		6		4.9		5

Most Rain Reported in a Day

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		130		30		50		30		50		80		100		110		130		80		80		30		20

Most Rain Reported in a Month

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		930		60		90		70		130		220		270		300		270		170		160		90		50

Least Rain Reported in a Month

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		300		---		---		---		---		10		10		10		---		---		---		---		---

Average Snowfall

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		105.9		21.1		17.8		19.1		9.1		0.5		---		---		---		0.2		3.6		13.7		20.8

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29.9		6.3		5.2		3.9		1.6		---		---		---		---		---		1.2		4.5		7.2

Most Snow Reported in a Month

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		109.2		73.2		109.2		97.8		82.5		11.4		---		---		---		15.2		38.1		73.7		74.2

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		15.9		3.2		2.6		2.6		1.2		---		---		---		---		---		0.4		2.1		3.8

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		4.3		0.8		0.6		0.7		0.5		---		---		---		---		---		0.1		0.8		0.8

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		1.4		0.3		0.1		0.3		0.2		---		---		---		---		---		---		0.2		0.3

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		0.2		0.1		---		---		0.1		---		---		---		---		---		---		---		---

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		72.9		77.8		77		75.2		63.2		64.3		69.8		73.1		72.7		73		71.5		77		80.1

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8867		1748		1422		1172		649		266		69		16		33		217		613		1071		1590

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		550		---		---		---		2		26		109		196		171		44		1		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2414		---		---		1		55		259		491		645		603		299		58		4		---

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		14.7		13		11.3		9.9		9.2

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		51.9		60.2		59.6		57.7		48.4		51.1		46.7		38.1		39		43.5		53.8		60.2		65.2

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		46		54.3		54.5		52.3		44		44.5		40		29.2		32		38.2		47.2		52.8		60.9

Average Wind Speed

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		14.3		14		14		14.8		15.2		15.8		13.3		12.5		12.9		14.6		15.4		15		14.1

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		13.5		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		14		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