MACKAY, IDAHO

Average Temperature

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6		-8		-5		---		6		10		14		19		18		12		7		---		-6

Average High Temperature

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13		-1		1		6		13		18		23		29		28		22		15		6		---

Average Low Temperature

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-2		-15		-12		-7		-1		2		6		9		8		3		---		-6		-12

Highest Recorded Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		40		13		19		20		27		37		37		40		39		36		29		21		13

Lowest Recorded Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-33		-33		-31		-27		-21		-9		-6		-2		-5		-9		-16		-25		-33

Average Number of Days Above 90F/32C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.1		---		---		---		---		---		0.8		3.1		2.1		0.1		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		203.5		30.6		27.6		30		22.3		9.2		1.5		0.1		0.1		4.8		19.3		27.6		30.3

Average Number of Days Below 0F/-17C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.8		9.3		5.3		1.1		---		---		---		---		---		---		---		1		7.1

Average Precipitation

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		240		20		10		10		10		20		20		20		20		20		10		10		10

Average Number of Days With Precipitation

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		60		5		4		4		5		8		7		5		5		4		3		5		5

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		90		39		60		72		52		81		90		90		64		67		54		57		58

Least Reported Precipitation in a Month

Years on Record: 30

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

Most Precipitation Reported in a Day

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		42.7		20.3		15.2		20.3		35.3		38.1		30.5		42.7		26.4		28.7		18.3		19.1		30.5

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

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33		3		2		2		3		4		4		3		3		3		1		2		3

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

Years on Record: 24

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

Average Number of Rainy Days

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26		2		2		2		1		3		2		2		2		2		1		1		2

Average Snowfall

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		92		26		21		10		3		1		---		---		---		---		1		8		19

Most Snow Reported in a Month

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		78.7		78.7		38.1		58.4		30.5		17.8		5.1		---		---		17.8		7.6		29.2		55.9

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4783.9		802.2		652.8		570.6		388.3		252.8		123.9		45		51.7		164.4		352.8		588.3		791.1

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		110.6		---		---		---		---		0.6		15		55		35.6		4.4		---		---		---

Growing Degree Days

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		784.4		---		---		---		---		---		133.3		292.8		258.3		100		---		---		---

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

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		7		10.6		15.2		19		21.5		23.9		25		22		17.5		11.8		7.4		6.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.7		2		2.9		4.3		6.2		7.7		8		7.1		6		4.6		3.4		2.4		1.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.8		15.1		18		20.7		20.1		19.8		20.7		22.2		22		21.2		18.2		14.3		13

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.5		16.2		19.7		22.3		22.2		22.3		25.2		28.6		26.8		24.6		19.9		15.2		15.3

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		7		10.6		15.2		19		21.5		23.9		25		22		17.5		11.8		7.4		6.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.2		2.3		3.3		4.9		6.7		8.2		8.8		8.2		6.7		5.5		3.8		2.7		2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.9		16.7		20.7		23.8		22.8		23		24.6		25.4		24.6		24.3		23.6		18		14.8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		27.2		18.4		23.8		26.9		27.7		29.5		35.3		36.7		32.4		30.2		28.1		20		18

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.8		6.3		9.2		13.3		17.2		19.4		21		21.7		20.3		14.7		10.6		6.1		5.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		3.9		1.9		2.4		3.6		5.4		6.7		6.3		5.6		5		3.7		2.4		2		1.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.1		12.8		14.7		17.4		17.9		17.9		18.2		19.4		20.2		17		15.5		10.7		10.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.9		13.2		15.1		17.2		18.3		18.2		19.4		21.7		22.9		17.4		16		10.4		12.2