LA GRANDE, OREGON

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.2		0.7		2.7		6.3		9.2		12.8		16.6		21.2		20.9		16.3		10.3		4.7		0.4

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.3		3.6		6.6		11.7		15.2		19.1		23.9		30.3		30.4		25		17.2		9.1		3.7

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4		-2.2		-1.2		0.8		3.3		6.4		9.2		12		11.4		7.5		3.3		0.3		-3

Highest Recorded Temperature

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		42		16		18		25		35		37		40		42		40		38		32		28		17

Lowest Recorded Temperature

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-36		-36		-28		-21		-11		-7		-2		---		-2		-13		-9		-22		-30

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		1.1		---		---		---		---		---		---		---		1.1		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25.3		---		---		---		---		---		1.1		8.7		13.2		2.3		---		---		---

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		74.3		---		---		---		0.2		2		8.4		26		24.8		11.9		1.1		---		---

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		127.5		---		---		0.2		4.1		11.5		21.8		30.8		29.6		22.3		7		0.2		---

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		184.9		---		---		6.4		13.8		23.1		28.5		31		31		28.9		20		1.9		0.2

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		246		0.2		4		18.8		27		30.2		30		31		31		29.8		29.2		11.9		2.9

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		317.3		14.9		20.4		29.5		29.8		31		30		31		31		30		31		25.7		13

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		365		31		28		31		30		31		30		31		31		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		352.5		31		28		31		30		31		28.9		24.5		26.5		29.6		31		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		293.8		31		27.8		30.3		29.1		25.3		18.5		9.7		10.1		22		29.5		29.4		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		195		29.4		25.7		25.4		18.3		9.1		2		0.4		0.7		8.5		20.6		25.5		29.2

Average Number of Days Below 32F/0C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		97		20.8		15.5		13.8		5.2		0.6		0.2		---		---		0.5		5.2		13.4		21.7

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		17.8		5.1		2.6		0.4		---		---		---		---		---		---		0.2		1.6		7.9

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		2.9		1.2		0.4		---		---		---		---		---		---		---		---		---		1.4

Average Number of Days Below 0F/-17C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.2		2.7		0.8		0.1		---		---		---		---		---		---		---		0.1		0.6

Average Precipitation

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		500		50		40		50		40		50		40		10		10		20		40		50		50

Average Number of Days With Precipitation

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		121		14		13		14		10		11		9		4		5		5		9		13		14

Most Reported Precipitation in a Month

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		146		146		93		78		86		115		73		42		63		104		80		108		130

Least Reported Precipitation in a Month

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		18		16		15		3		11		10		---		---		3		---		12		13

Most Precipitation Reported in a Day

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		56.4		43.2		25.6		20.3		27.9		40.1		28.2		28.2		23.9		22.6		27.2		29.2		56.4

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

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		63		7		7		6		6		6		4		2		3		2		5		7		8

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

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		1		---		1		1		1		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.		1.1		0.8		0.7		0.8		0.9		1.2		1.4		1.6		1.5		1.3		1.1		0.9		0.8

Average Number of Rainy Days

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		44		4		4		4		4		4		3		1		1		2		3		3		5

Average Snowfall

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		93.2		28.4		26.2		13.2		0.2		---		---		---		---		---		0.2		4.6		20.3

Most Snow Reported in a Month

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		106.7		106.7		94.7		58.4		1.5		---		---		---		---		---		2.5		33		54.6

Average Dew Point

Years on Record: 6

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

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5797		984		788		674		492		315		138		22		30		162		453		737		1002

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		449		---		---		---		---		4		42		178		174		49		2		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2284		---		1		15		59		181		356		621		609		343		88		11		---

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 Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		48.9		71.3		62.3		61.9		56		52.1		41.9		18.7		16		26		46.7		64		70.5

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		42.7		64.5		56.1		54.3		50.1		45.9		34.5		14		12.5		21.8		39.1		54.9		63.7

Average Wind Speed

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		13.1		18.5		15		14.1		13.1		11.5		11		10.3		9.9		9.5		11.5		15.5		18.1

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.5		5.5		8.9		13.2		17		20.2		23.5		25.4		22.2		16.7		10.7		5.9		4.8

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		2.2		3.2		4.7		6.5		7.9		8.1		6.9		5.8		4.6		3.5		2.5		1.9

Average 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		11.1		14.3		17		17.9		18.5		20.4		22.6		22.5		20.3		16.1		10.6		9.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.9		11.3		15.1		17.7		18.5		20		24.7		29.8		27.9		23.4		17.2		10.7		10.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.5		5.5		8.9		13.2		17		20.2		23.5		25.4		22.2		16.7		10.7		5.9		4.8

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		2.3		3.4		5		6.9		8.3		8.8		8.3		6.7		5.7		3.9		2.6		1.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.1		13.6		16.2		20.1		20.9		23		24.3		24.8		25		24.7		22.3		14.5		11.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.8		14.2		17.9		22.5		24.1		29.7		34.6		35.3		33.6		31.1		26.1		15.7		12.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.3		4.8		7.2		11.9		14.8		17.3		20.4		20.7		19.7		12.8		8.9		4.9		4.3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.1		2.1		3		4.2		5.9		6.7		6.5		5.9		4.8		3.5		2.6		2.3		1.8

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		8.9		10.4		14.8		15.2		15.9		17.8		18.5		19.6		14.7		12.5		7.8		7.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		8.6		10		14.4		13.9		14.7		18.5		20.1		22		13.9		12		7.3		8.5