MERIDIAN, IDAHO

Average Temperature

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.7		-1.3		2.2		5.8		9.7		14.4		18.9		23.8		22.8		17.6		11.2		4.2		-0.4

Average High Temperature

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17.2		2.8		6.9		11.7		16.5		21.7		26.7		32.7		31.4		25.6		18.2		9.2		3.7

Average Low Temperature

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.3		-5.3		-2.5		---		3		7.1		11.1		14.9		14.2		9.6		4.2		-0.7		-4.4

Highest Recorded Temperature

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		43.9		17.2		21.7		27.2		33.3		37.2		42.8		43.9		43.3		38.9		34.4		25.6		18.3

Lowest Recorded Temperature

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-31.7		-27.2		-26.1		-14.4		-7.2		-5.6		-0.6		1.7		1.1		-5		-11.7		-19.4		-31.7

Average Number of Days Above 90F/32C

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		46.3		---		---		---		---		1.3		5.7		19.4		16		3.6		0.1		---		---

Average Number of Days Below 32F/0C

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		120.9		26		20.8		16.4		7.6		1.6		---		---		---		0.4		5.1		17.3		25.6

Average Number of Days Below 0F/-17C

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.6		1.4		0.3		---		---		---		---		---		---		---		---		0.1		0.9

Average Precipitation

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		298		35		28		31		30		33		22		7		7		14		20		34		37

Average Number of Days With Precipitation

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		90		12		10		10		8		8		6		2		2		4		6		10		12

Most Reported Precipitation in a Month

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		112		98		94		88		77		112		87		41		60		74		66		85		107

Least Reported Precipitation in a Month

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		3		5		4		2		---		---		---		---		---		---		4		2

Most Precipitation Reported in a Day

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		48.5		28.7		23.4		40.6		32.3		45		48.5		23.9		40.9		43.9		22.9		19.8		26.2

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

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		41		5		4		5		4		3		3		1		1		2		3		5		5

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

Years on Record: 71

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

Average Snowfall

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		50.3		16		8.4		3.8		1.3		0.2		---		---		---		---		0.2		5.3		15

Average Snow Cover

Years on Record: 59

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		---		2		---		---		---		---		---		---		---		---		---		---		2

Most Snow Reported in a Month

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		66.5		54.4		64		30.2		20.3		10.2		---		---		---		---		6.9		47.2		66.5

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3181.7		608.3		448.3		373.3		250.6		136.1		39.4		6.7		8.3		61.1		221.1		426.7		601.7

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		448.3		---		---		---		1.7		17.2		67.8		165		152.8		41.1		2.8		---		---

Growing Degree Days

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1490.6		---		---		---		---		136.1		266.7		427.1		396.1		226.7		37.9		---		---

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		11.1		12.5		14		15.3		16		15.6		14.4		12.9		11.5		10.2		9.5

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.6		6.4		9.8		14.2		18.3		21.4		25		26.7		23.4		17.9		11.8		6.7		5.5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.6		2.2		3.1		4.6		6.4		7.7		7.7		6.4		5.5		4.4		3.4		2.6		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		18.2		13		16		18.6		19.3		19.7		21.6		23.7		23.5		21.7		18.2		12.3		11.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.2		13.5		17		19.6		20.8		22.2		27.5		32.3		30.1		25.6		19.9		12.7		12.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.6		6.4		9.8		14.2		18.3		21.4		25		26.7		23.4		17.9		11.8		6.7		5.5

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		2.4		3.5		5.1		6.8		8.3		8.8		7.6		6.4		5.7		3.8		2.7		2.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.7		16.7		19.1		21.3		22.8		23.8		25.6		26		26.2		25.8		23.6		16.9		13.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		27.5		18.4		21.7		23.7		27.5		31.4		38		38.3		36		32.8		28.1		18.6		15.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.2		5.2		7.6		12.3		16.3		18.4		20.6		23.8		21.1		13.6		10.2		5.2		4.6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		3.8		1.9		2.7		4.1		5.5		6.3		5.8		5.3		4.3		3.2		2.4		2.1		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		14.8		9.5		11.2		15.6		16.9		16.9		17.9		21.2		21.1		15.6		14.8		8.5		8.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		9		10.4		14.9		16.5		16.3		18.7		25.9		24.8		15.2		15.1		7.7		8.9