GLENROCK, WYOMING

Average Temperature

Years on Record: 68

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.7		-3.2		-1.2		2		7.3		12.6		18.1		22.4		21.3		15.4		9.1		2.1		-2.1

Average High Temperature

Years on Record: 68

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.3		3.2		5.2		8.8		14.9		20.4		26.6		31.7		30.6		24.7		17.3		8.6		4.1

Average Low Temperature

Years on Record: 68

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1		-9.5		-7.6		-4.9		-0.2		4.7		9.6		13.1		12		6.3		0.8		-4.4		-8.2

Highest Recorded Temperature

Years on Record: 68

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		41.7		20.6		20.6		26.7		30		36.1		40.6		41.7		41.7		36.7		31.7		26.7		19.4

Lowest Recorded Temperature

Years on Record: 68

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-40.6		-40.6		-33.3		-33.3		-22.2		-9.4		-3.3		1.1		---		-8.3		-22.8		-29.4		-40

Average Number of Days Above 100F/38C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2		---		---		---		---		---		0.2		1.5		0.3		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 68

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37.5		---		---		---		---		0.3		5.6		16.3		12.8		2.5		---		---		---

Average Number of Days Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		86.6		---		---		0.1		1		5.1		14		27.6		25.9		11.9		1		---		---

Average Number of Days Above 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		137.4		---		---		0.8		5.8		14.9		25.2		30.4		30.2		21.1		8		1		---

Average Number of Days Above 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		187.2		0.2		1		6.6		14.3		23.6		29		30.9		30.9		27		18.4		5		0.2

Average Number of Days Above 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		240.2		4.2		6.3		16.2		22.1		29.1		29.9		31		31		29.3		25.1		11.9		3.9

Average Number of Days Above 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		299.4		14.9		15.8		24.7		27.6		30.9		30		31		31		29.8		29.4		20.6		13.6

Average Number of Days Below 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		364.5		31		28		31		30		31		29.9		30.8		30.7		30		31		30		31

Average Number of Days Below 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		349.1		31		28		31		30		30.9		28.5		23.9		24.8		29.2		31		30		31

Average Number of Days Below 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		289.4		31		28		30.7		29.4		28.4		15.5		4.5		7.3		23.5		30.4		29.8		31

Average Number of Days Below 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		220.3		30.3		27.1		29.2		25.4		13.8		2.3		0.1		0.5		9.5		24.5		27.6		30

Average Number of Days Below 32F/0C

Years on Record: 68

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		164.3		27.8		24.3		24.8		16.2		4.3		0.2		---		---		2.9		14		22.8		27

Average Number of Days Below 20F/-6C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		71.9		17.6		13.6		8.1		1.9		0.1		---		---		---		0.1		2.1		10.1		18.2

Average Number of Days Below 10F/-12C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29.4		8.7		6.2		2.3		0.2		---		---		---		---		---		0.3		3.1		8.6

Average Number of Days Below 0F/-17C

Years on Record: 68

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14.6		5.4		2.9		1.4		0.1		---		---		---		---		---		0.1		1.2		3.6

Average Precipitation

Years on Record: 68

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		307		10		11		21		39		59		44		27		18		27		27		15		9

Average Number of Days With Precipitation

Years on Record: 68

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		61		4		4		5		6		9		7		5		4		5		5		4		3

Most Reported Precipitation in a Month

Years on Record: 68

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		196		34		38		78		144		196		163		108		82		138		87		65		32

Least Reported Precipitation in a Month

Years on Record: 68

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

Most Precipitation Reported in a Day

Years on Record: 68

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		99.6		17.8		27.9		45.7		94		99.6		62.2		51.3		31.8		55.4		56.9		35		16.5

Avg. No. of Days w/Precip. Above 0.1in/2.5mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29.6		0.8		1.5		2.4		3.5		4.8		3.1		2.5		2.2		2.8		3		1.9		1.1

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

Years on Record: 68

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31		1		1		2		4		5		4		3		2		3		3		2		1

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

Years on Record: 68

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6		---		---		---		1		1		1		1		---		1		1		---		---

Avg. No. of Days w/Precip. Above 0.5in/13mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.5		0.1		---		0.4		0.8		1.2		0.7		0.4		0.3		0.6		0.6		0.3		0.1

Average Snowfall

Years on Record: 68

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		66.3		11.7		9.7		12.2		6.1		2.5		0.2		---		---		0.5		4.3		9.4		9.7

Average Snow Cover

Years on Record: 51

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

Most Snow Reported in a Month

Years on Record: 68

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		95.2		50.5		38.6		95.2		94		48.3		10.2		---		---		20.3		35.6		64.5		41.9

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6899		1156		994		854		593		333		97		11		21		203		549		894		1193

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		556		---		---		---		1		9		82		239		190		35		1		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2414		1		1		14		53		191		438		693		634		303		74		12		1

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		11.1		12.5		13.9		15.2		15.9		15.5		14.4		12.9		11.5		10.2		9.6

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		6.8		10		14		17.9		22.1		24.6		24.4		21.7		17.1		11.8		7.5		5.9

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		3.3		4.9		6.5		7.6		7.9		7.4		6.3		4.9		3.6		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		17.9		13.4		15.6		17.7		18.6		20.3		21.3		21.7		21.6		20.3		17.6		13.5		12.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20		14.2		16.7		18.4		19.6		23.3		26.3		26.9		25.6		22.8		19		14.4		13.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		6.8		10		14		17.9		22.1		24.6		24.4		21.7		17.1		11.8		7.5		5.9

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		2.5		3.6		5.2		7.1		8.4		8.7		7.9		6.7		5.6		3.9		2.8		2.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.7		16.4		19.3		20.8		23.5		22.9		23.9		23.3		22.5		22.5		19.8		17		16.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25		18.4		22.8		23.5		28.8		29		33		30.9		27.5		26.8		22.2		19.4		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		13.4		5.9		8.5		12.5		14.4		17.9		21.6		22.8		20.5		14.9		10.7		6.3		4.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.3		2		2.7		4.2		5.3		6.8		6.7		6.7		6		4.3		3.3		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		15.1		10.9		12.6		15.4		14.7		16.4		18.8		20.3		20.3		17.1		15.4		10.7		8.3

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		10.7		12.3		14.8		12.7		15.2		20.2		23.5		22.9		17.5		15.7		10.2		7.8