HELPER, UTAH

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.7		-4.2		-0.7		3.7		7.6		12.8		18		22.4		21.3		15.8		9		2.2		-3.6

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17.3		2.9		6.6		11.3		16		21.8		27.8		31.9		30.7		25.7		18.7		10		3.8

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.1		-11.3		-8		-4		-0.8		3.7		8.2		12.9		11.9		5.9		-0.7		-5.7		-11.1

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		33.9		7.5		11.6		17.4		20.2		25.2		31.1		33.9		32.7		28.8		22.9		16.4		11.1

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-19.1		-19.1		-13.6		-7.9		-3.3		1.3		5.3		9.2		8.3		2.3		-3.2		-9.9		-17.8

Average Number of Days Above 90F/32C

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.8		---		---		---		---		---		0.1		0.7		0.1		---		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		275.4		30.6		28.1		30.4		28.7		25.1		14.6		4.3		6.2		18.4		28.6		29.7		30.7

Average Number of Days Below 0F/-17C

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		58.8		16.1		14.3		6.7		1		---		---		---		---		---		0.5		5.5		14.7

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		360		33		34		34		31		37		17		22		29		28		39		32		26

Average Number of Days With Precipitation

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		106		10		9		11		9		9		6		9		10		8		8		8		9

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		122		120		112		68		86		90		95		59		99		122		119		90		96

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		5		6		2		---		4		---		---		2		---		1		4		---

Most Precipitation Reported in a Day

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		146.8		82.3		146.8		27.9		63		40.6		38.1		51.3		53.1		66		45		29		42.4

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

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		52		5		5		5		4		4		3		4		5		4		5		4		4

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

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12		2		1		1		1		1		---		1		1		1		1		1		1

Avg. No. of Days w/Precip. Above 1in/25mm

Years on Record: 92

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

Average Snowfall

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		376.7		74.7		61.2		62.2		30.7		11.4		1.3		---		---		2.5		14.7		53.3		64.5

Average Snow Cover

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		20		50		63		63		27		---		---		---		---		---		---		7		27

Most Snow Reported in a Month

Years on Record: 92

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		218.4		174.2		141		129.3		89.7		47.8		21.6		---		---		28.2		40.1		129		218.4

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3799.4		699.4		532.8		456.1		322.8		176.1		55		2.8		7.2		92.2		289.4		484.4		681.1

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		291.7		---		---		---		---		3.9		44.4		128.3		98.9		16.1		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1236.5		---		---		---		---		86.1		240		384.1		351.3		175		---		---		---

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		14.9		15.5		15.2		14.1		12.9		11.6		10.5		9.9

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.7		8.5		11.5		16		19.7		23.2		26		25.2		21.5		18.4		13.6		9.1		7.7

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		2.5		3.5		4.8		6.5		7.5		7.5		7.2		6.6		4.9		3.6		2.7		2.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.3		15.8		17.3		19.9		20.3		21.2		22.5		22.4		21.1		21.3		19.4		15.6		15.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22		17.2		18.7		21.4		22		24.6		28.4		27.8		24		24.2		21.5		17.1		16.9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.7		8.5		11.5		16		19.7		23.2		26		25.2		21.5		18.4		13.6		9.1		7.7

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		2.7		3.9		5.2		7		8.2		8.6		8.1		7.4		5.6		4.3		3.2		2.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.4		18.1		20.2		22.6		22.8		24.1		25.4		25.6		24.7		23.8		25.3		18.8		17.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		27.8		20.5		23.5		26.1		26.8		31.1		36.3		36.2		31.9		28.6		30.9		21.4		20.1

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		7.5		9.9		14.8		17.7		20.6		22.5		22.8		18.5		16.7		11.2		7.3		6.6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.1		2.1		2.9		4.2		5.8		6.4		5.9		5.6		5.2		4.2		2.3		2.3		1.9

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.4		13.1		13.9		18		18.1		18.8		19.6		20.3		18		18.9		15.1		11.6		12.2

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		13.4		13.9		18.3		17.9		19.3		21.4		22.8		17.9		20		15		11.2		12.6