HARPER, OREGON

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Elevation: 251 feet Latitude: 43 52N Longitude: 117 37W

WEATHER

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Climate Summary

CURRENT CONDITIONS

Sunrise/Set

08:36 am

10:57 pm
Local Time
6:48 pm EDT
4 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

TEMPERATURE

Average Temperature

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48.7		25.8		32.7		40.9		48.6		57.1		64.6		72.2		69.5		59.2		48.6		36.4		28.9

Average High Temperature

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		64.2		36		43.8		55.3		65		74.2		81.7		91.9		89.6		78.7		66		49.8		38.8

Average Low Temperature

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		33.2		15.5		21.6		26.7		32.2		40		47.4		52.3		49.5		39.6		31.2		23		19.1

Highest Recorded Temperature

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		111		61		69		83		89		98		105		107		111		103		89		76		75

Lowest Recorded Temperature

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-41		-36		-32		3		11		16		27		31		28		6		8		-15		-41

Average Number of Days Above 90F/32C

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		50.2		---		---		---		---		1.3		6.7		21.4		17.6		3.1		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		175.4		29.3		25.5		24.3		15.2		5		0.3		---		0.1		5.2		17.6		24.5		28.1

Average Number of Days Below 0F/-17C

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.6		3.7		1.4		---		---		---		---		---		---		---		---		0.2		2.3

PRECIPITATION

Average Precipitation

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		8.5		1.2		0.8		0.6		0.6		0.8		0.9		0.2		0.3		0.4		0.7		0.8		1.2

Average Number of Days With Precipitation

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		58		9		6		5		5		5		5		1		2		2		4		6		8

Most Reported Precipitation in a Month

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		4.1		3.6		2.6		3		1.8		4.1		2.7		1.9		1.5		3.4		3.3		2.2		3.4

Most Precipitation Reported in a Day

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		2		0.8		2		0.7		0.7		1.3		1		0.6		0.9		1.1		1.1		0.9		1.1

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

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28		4		3		2		2		2		3		1		1		1		2		3		4

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		19.8		9		3.1		0.7		0.2		---		---		---		---		---		0.1		0.9		5.8

Average Snow Cover

Years on Record: 21

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

Most Snow Reported in a Month

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		38.7		38.7		11.5		4.4		5.8		---		---		---		---		---		2.5		10.5		25.2

DEGREE DAYS

Heating Degree Days

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3867		905		631		437		209		59		6		---		---		38		215		559		808

Cooling Degree Days

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		502		---		---		---		---		14		74		231		163		20		---		---		---

Growing Degree Days

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2226.8		---		---		---		---		220.1		438		688.2		604.5		276		---		---		---

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		9.9		11		12.5		14		15.3		16		15.6		14.4		12.9		11.4		10.2		9.5

SOLAR RADIATION

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.3		1.7		2.6		3.9		5		6.1		6.9		7.2		6.3		4.9		3.2		1.8		1.5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.3		0.6		0.9		1.3		1.8		2.1		2.2		1.9		1.6		1.3		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		4.9		3.3		4.2		5.1		5.3		5.6		6		6.4		6.3		5.9		4.9		3.2		2.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.7		3.4		4.4		5.4		5.7		6.4		7.5		8.6		7.9		6.9		5.3		3.3		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		4.3		1.7		2.6		3.9		5		6.1		6.9		7.2		6.3		4.9		3.2		1.8		1.5

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		1.9		2.3		2.4		2.1		1.9		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		5.9		4.1		4.8		6.2		6.2		6.9		6.9		7.1		7.3		7		6.1		4.7		3.8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7.5		4.3		5.3		7.3		7.4		9.3		10.1		10.3		10.1		8.9		7.1		5.3		4.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.7		1.4		2.1		3.4		4.4		4.5		6.3		6.8		5.6		3.8		2.9		1.4		1.3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.1		0.6		0.8		1.1		1.6		1.6		1.7		1.5		1.2		0.9		0.8		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		4		2.5		2.9		4.1		4.5		4.2		5.4		6		5.6		4.3		4.2		2.3		2.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.2		2.5		2.8		4		4.3		3.6		6.2		7.5		6.3		4.2		4.3		2.1		2.5

NEARBY - MAP

NEARBY - LIST

Little Valley, Oregon (6 mi / 10 km)
Westfall, Oregon (14 mi / 23 km)
Juntura, Oregon (16 mi / 26 km)
Vale, Oregon (19 mi / 32 km)
Owyhee Dam, Oregon (23 mi / 38 km)

GEOBA.SE

Harper, Oregon