DINOSAUR NATIONAL MONUMENT, UTAH

Average Temperature

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		47		17		24		38		49		58		68		74		72		62		49		35		22

Average High Temperature

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		64.1		30.3		38.6		53		65		76.1		87.5		94.5		92.2		81.9		67.2		48.6		34.4

Average Low Temperature

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		31.5		4		11.1		24.2		33		41.6		48.7		55.1		53.1		44		32.2		21.6		10

Highest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		107		60		67		80		82		95		99		107		102		100		89		61		58

Lowest Recorded Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-19		-19		-15		9		22		34		33		47		38		33		23		2		-10

Average Number of Days Above 90F/32C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		81		---		---		---		---		5		10		27		25		14		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		153.8		29.3		25.7		24.5		10		---		---		---		---		---		9.5		26.5		28.3

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		9.7		4		3		---		---		---		---		---		---		---		---		---		2.7

Average Precipitation

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		8.6		0.6		0.7		0.7		0.7		0.9		0.6		0.6		0.6		1		1		0.6		0.6

Average Number of Days With Precipitation

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		55		6		3		6		6		5		4		3		6		3		5		3		5

Most Reported Precipitation in a Month

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		3.1		1.4		1.2		2		2.2		2.2		2.7		0.9		1.6		2.6		3.1		1.9		2.5

Least Reported Precipitation in a Month

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		---		---		---		0.2		0.2		---		---		0.1		---		---		0.1		0.3

Most Precipitation Reported in a Day

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		1.6		1		0.5		0.6		0.7		1.1		1		0.8		0.8		1.2		1		0.7		1.6

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		29		3		2		3		3		3		3		1		2		2		2		2		3

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		1		---		---		---		---		---		---		---		---		---		1		---		---

Average Snowfall

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		22.2		5.5		4.5		1.7		0.5		0.1		---		---		---		0.3		0.4		2.5		6.7

Average Snow Cover

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		1		5		5		1		---		---		---		---		---		---		---		---		2

Most Snow Reported in a Month

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		25.5		17.6		13.9		23		0.8		---		---		---		---		---		6		3.5		25.5

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7151		1522		1145		840		489		213		51		---		---		138		477		900		1376

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		741		---		---		---		---		12		135		310		230		54		---		---		---

Growing Degree Days

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2574		---		---		---		---		248		540		744		682		360		---		---		---

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
kWh/m2		4.7		2.4		3.2		4.5		5.6		6.6		7.2		6.9		6		5.1		3.8		2.5		2.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		0.7		1		1.3		1.8		2		2.1		2.1		1.8		1.4		1		0.8		0.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.4		4.4		4.8		5.6		5.8		6		6.2		6.1		5.9		5.9		5.5		4.3		4.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.1		4.8		5.2		6		6.3		7.1		7.9		7.4		6.7		6.7		6.1		4.7		4.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.7		2.4		3.2		4.5		5.6		6.6		7.2		6.9		6		5.1		3.8		2.5		2.2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.8		1.1		1.5		1.9		2.3		2.3		2.2		2		1.6		1.2		0.9		0.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.2		5.1		5.7		6.5		6.7		6.5		6.6		6.7		6.6		6.5		6.9		5.4		4.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7.5		5.8		6.5		7.7		8.1		8.3		8.8		8.8		8.3		7.7		8.4		6.4		5.6

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.1		2		2.8		3.9		5		5.3		6.7		6.4		5.6		4.6		3.2		2.1		1.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.2		0.6		0.8		1.1		1.5		1.8		1.9		1.8		1.6		1.2		0.7		0.6		0.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.6		3.4		3.9		4.9		5.1		4.8		5.8		5.7		5.4		5.2		4.3		3.3		3.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.7		3.5		3.9		4.6		5.1		4.6		6.7		6.4		5.8		5.5		4.2		3.2		3.5