DETROIT, OREGON

Average Temperature

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48.9		33.8		38.1		40.8		46.6		53.4		58.8		64.7		64.3		58.7		50.6		41.4		36.2

Average High Temperature

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		61		40.8		46.6		51.1		58.7		66.9		72.6		82.1		82		75		63.3		50.2		42.8

Average Low Temperature

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		36.9		26.8		29.7		30.7		34.4		39.8		44.9		47.3		46.6		42.4		37.7		32.5		29.6

Highest Recorded Temperature

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		107		66		76		79		90		95		107		105		106		103		94		89		60

Lowest Recorded Temperature

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-10		-10		-10		10		18		25		30		32		31		28		18		---		2

Average Number of Days Above 90F/32C

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20.7		---		---		---		---		0.7		2.1		7.2		6.7		3.5		0.6		---		---

Average Number of Days Below 32F/0C

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		124.2		24.9		20.4		21.1		10.6		2.7		0.2		---		---		1.5		6.1		14.6		22.1

Average Number of Days Below 0F/-17C

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.5		0.4		0.1		---		---		---		---		---		---		---		---		---		---

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		11.3		0.8		0.7		1.3		1.2		1.6		1.2		0.7		0.6		0.4		0.7		1.2		1

Average Number of Days With Precipitation

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		156		20		17		18		15		13		9		3		4		8		12		17		20

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		4.3		1.9		2.1		2.2		2.5		4.3		2.5		2.9		3.3		1.4		1.9		2.5		2.7

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		0.1		0.1		0.4		0.2		0.3		0.2		---		---		---		---		0.2		0.1

Most Precipitation Reported in a Day

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		5.4		5.4		4.4		5.3		2.8		2.7		2.1		1.6		1.8		3.6		3.5		4.8		4.6

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

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		123		17		14		15		12		9		6		2		2		6		10		14		16

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

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		52		9		7		6		3		2		1		---		1		2		4		8		9

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

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21		4		3		2		1		---		---		---		---		1		2		4		4

Average Snowfall

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		71.3		24.9		14		12.9		2.2		0.3		---		---		---		---		0.2		2.6		14.2

Average Snow Cover

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		2		8		6		4		---		---		---		---		---		---		---		---		2

Most Snow Reported in a Month

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		122.5		122.5		67		64		24		6		---		---		---		---		4		18		48.5

Heating Degree Days

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3181		657		477		440		261		115		33		3		3		35		164		409		584

Cooling Degree Days

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		170		---		---		---		---		4		20		68		60		17		---		---		1

Growing Degree Days

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1548		---		---		---		---		105.4		264		455.7		443.3		261		18.6		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.8		11		12.5		14.1		15.4		16.1		15.7		14.5		13		11.4		10.1		9.4

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.9		1.3		2.2		3.4		4.7		5.7		6.5		7		6.1		4.7		2.9		1.5		1.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		0.6		0.9		1.4		1.8		2.2		2.3		1.9		1.6		1.3		1		0.7		0.5

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		2.3		3.4		4.3		4.9		5.3		5.7		6.3		6.2		5.7		4.3		2.6		1.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.9		2.2		3.4		4.3		5.1		5.8		6.8		8.2		7.6		6.5		4.5		2.5		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		3.9		1.3		2.2		3.4		4.7		5.7		6.5		7		6.1		4.7		2.9		1.5		1.1

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		0.6		1		1.4		1.9		2.3		2.5		2.2		1.9		1.5		1.1		0.7		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		3.1		4.2		5.7		5.7		6.7		6.2		7.1		6.7		6.6		5.5		3.7		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		6.5		3.2		4.7		6.5		6.4		9.1		8.3		10.5		8.8		8.1		6.3		4		2.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.3		1.1		1.7		2.7		4		4.2		5.6		6.2		5.6		4		2.4		1.3		0.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.2		0.6		0.9		1.1		1.7		1.7		2.1		1.5		1.4		1.1		0.8		0.7		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		3.6		1.8		2.3		3.2		4.1		3.9		4.8		5.6		5.5		4.8		3.3		2		1.6

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.5		1.6		2		2.7		3.7		3.1		4.9		6.5		6.3		5		3.2		1.8		1.5