WHITEROCKS, UTAH

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.9		-10.3		-8.6		-5.6		-1.1		4.7		10		13.2		12.3		8.2		2.2		-4.6		-10

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.9		-3.7		-0.9		1.9		5.8		11.7		17.9		21.5		20.3		15.5		8.7		0.8		-3.9

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-6.3		-17		-16.3		-13.1		-8.1		-2.4		2		4.9		4.3		0.8		-4.2		-10		-16.1

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24.2		-0.1		3.9		6.4		11.8		15.9		21.1		24.2		23.7		19.2		13.8		7.1		0.9

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-21.8		-21.8		-20.8		-17.4		-13.1		-5.8		0.5		2.3		1.7		-1.9		-6.5		-15.1		-20.6

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		621		71		68		70		56		49		30		30		41		44		48		57		59

Average Number of Days With Precipitation

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		60		5		5		5		6		5		5		5		6		5		5		3		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		217		150		217		128		126		129		87		77		90		114		106		168		189

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		18		18		20		8		2		2		---		1		2		4		10		8

Most Precipitation Reported in a Day

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		75.2		30.5		30.5		36.8		40.6		50.5		43.2		43.9		45.5		75.2		45.2		58.4		45.7

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

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37		3		3		3		3		4		3		3		3		4		3		2		3

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

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7		---		---		1		---		1		1		1		1		1		1		---		---

Average Snowfall

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		155.4		33.3		28.2		26.2		11.4		2.8		---		---		---		1		3		16.5		33

Most Snow Reported in a Month

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		100.6		96.8		81.3		100.6		78.7		33		---		---		---		10.2		27.9		76.2		98.3

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6362.2		890		754.4		741.1		584.4		425		250.6		158.9		187.8		305		499.4		687.2		878.3

Cooling Degree Days

Years on Record: 30

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

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		170.5		---		---		---		---		---		---		99.9		70.6		---		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.2		11.2		12.5		13.8		15		15.6		15.2		14.2		12.9		11.5		10.4		9.8

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.6		8.2		11.7		16.4		20.4		23.9		25.4		23.9		20.9		17.8		13.4		8.9		7.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		2.3		3.2		4.5		6.1		7.2		7.7		7.6		6.7		5		3.5		2.6		2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.5		15.9		18.3		21.1		21.3		21.9		22		21.3		20.6		20.7		19.7		15.7		15.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.2		17.4		20.3		23.3		24.1		26.2		27.4		25.4		23.1		23.3		22		17.2		17

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.6		8.2		11.7		16.4		20.4		23.9		25.4		23.9		20.9		17.8		13.4		8.9		7.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		2.7		3.7		4.9		6.8		8.2		8.4		8.2		7.2		5.5		4.1		2.9		2.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.3		18.4		21.6		23.8		24.2		23.7		23.9		24.1		23.5		23.4		24.5		18.3		18.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		27.4		20.8		25.6		28.3		29.7		30.5		32.3		32.2		29.2		28		29.5		21.5		20.6

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.7		7		9.8		15.1		18.2		20.4		23		22		19.4		16.4		11.3		7.8		6.5

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		2.5		3.7		5.2		6.5		6.8		6.4		5.7		4.3		2.4		2.2		1.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.9		12.4		14.5		18.9		18.8		18.7		20		19.6		19		18.7		15.6		13.3		12.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.6		12.5		14.4		19.7		19.3		19.2		22.5		21.5		19.8		19.8		15.7		13.5		13.3