OREGON CITY, OREGON

Average Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		54.7		41.8		---		49.5		50.8		54.9		60.9		66.8		66.6		63		55.7		49.6		41.9

Average High Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		63.8		46.4		---		60.9		60.6		65.4		73.5		78.9		78.2		72.3		63.8		55.6		46.3

Average Low Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		45.6		37.1		---		38.1		40.9		44.5		48.3		54.7		55.1		53.8		47.6		43.7		37.5

Highest Recorded Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		101		55		---		72		80		78		90		101		88		91		74		63		58

Average Number of Days Above 90F/32C

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		---		---		---		---		---		1		3		---		1		---		---		---

Average Precipitation

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		47		7		5.4		5		2.8		2.7		1.8		0.6		1		1.9		4.6		6.9		7.2

Average Number of Days With Precipitation

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		159		19		17		18		14		13		10		4		5		7		14		18		20

Most Reported Precipitation in a Month

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		18.6		15.9		12.9		9.2		5.5		5.9		4.2		1.4		4.7		4.5		11.5		18.6		15.4

Least Reported Precipitation in a Month

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		1.9		1.4		1.3		0.9		0.1		---		---		---		---		0.8		1.2		2.3

Most Precipitation Reported in a Day

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		3		2.4		3		1.9		1.6		1.7		1		0.8		2.2		1.8		2.1		2.8		2.7

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

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		106		14		12		13		9		7		5		2		3		4		10		13		14

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

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29		5		3		3		1		1		1		---		1		1		3		5		5

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

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9		2		1		1		---		---		---		---		---		---		1		2		2

Average Snowfall

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		5.7		3.4		0.8		0.9		---		---		---		---		---		---		---		0.1		0.5

Most Snow Reported in a Month

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		27.4		27.4		8.5		12.2		---		---		---		---		---		---		---		2		5.9

Heating Degree Days

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1395		411		---		177		144		52		2		---		---		1		35		166		407

Cooling Degree Days

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		222		---		---		---		---		---		14		93		78		37		---		---		---

Growing Degree Days

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2105		---		---		---		24		151.9		327		520.8		514.6		390		176.7		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.8		11		12.5		14.1		15.5		16.2		15.8		14.5		13		11.4		10		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		3.6		1.3		2.1		3.1		4.2		5.1		5.8		6.2		5.6		4.3		2.6		1.4		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		1.9		2.3		2.4		2.2		1.8		1.4		1.1		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		3.9		2.2		3.1		3.8		4.3		4.7		5		5.5		5.6		5.1		3.7		2.3		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		4.1		2.1		3.1		3.6		4		4.6		5.4		6.5		6.4		5.6		3.7		2.1		1.9

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		1.3		2.1		3.1		4.2		5.1		5.8		6.2		5.6		4.3		2.6		1.4		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		2.4		2		1.6		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		3.4		3.7		5.4		5.5		6.1		5.9		6.5		6.1		6.3		5		3.3		3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.9		3.6		3.9		6		6.2		7.7		7.5		8.7		7.5		7.5		5.4		3.5		3.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.8		1.1		1.6		2.4		3.4		4		4.8		4.5		4.8		3.5		1.9		1.1		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		1.3		0.6		0.9		1.2		1.7		2		2.2		1.9		1.7		1.2		0.9		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		1.7		2		2.7		3.4		3.7		4.2		4		4.8		3.9		2.4		1.7		1.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.6		1.5		1.7		2		2.6		2.8		3.6		3.4		4.8		3.7		2		1.5		1.5