MONTROSE - AIRPORT, COLORADO

Average Temperature

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.4		-3.5		-0.1		4.3		9		14.1		19.2		22.3		21		16.6		10.2		2.9		-2.6

Average High Temperature

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17.4		3.3		6.6		11.7		16.9		22.4		28.4		31.4		29.8		25.6		18.7		10.2		4

Average Low Temperature

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1.4		-10.2		-6.8		-3		1.1		5.7		9.9		13.2		12.2		7.6		1.7		-4.4		-9.3

Highest Recorded Temperature

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		41.1		17.2		23.9		28.3		31.7		33.9		38.9		39.4		41.1		35		30.6		25		20

Lowest Recorded Temperature

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-32.8		-31.7		-32.8		-20.6		-16.7		-8.3		-2.8		1.7		2.8		-6.1		-12.8		-22.2		-29.4

Average Number of Days Above 90F/32C

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31.4		---		---		---		---		0.2		7		14.9		8.1		1.1		---		---		---

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		94.6		---		---		---		0.4		6.4		20.7		28.7		26.1		11.8		0.5		---		---

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		152.2		---		---		1.1		7.3		19.8		27.9		30.8		30.5		25		9.5		0.2		---

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		204.8		0.1		0.8		9		18.5		27.2		29.8		31		31		29		22.8		5.5		0.1

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		254.6		2.8		7.4		20.3		25.9		30.5		30		31		31		29.9		28.5		14.7		2.5

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		312.6		13.6		19.4		28.3		29.5		31		30		31		31		30		30.6		23.8		14.4

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		365		31		28		31		30		31		30		31		31		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		353.5		31		28		31		30		30.9		28.6		24.9		27.2		29.9		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		275.7		31		28		31		29.7		26.5		12.1		1.8		2.9		21		30.8		30		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		211.4		31		27.9		29.7		23.3		10.1		1.1		---		---		4.7		23.1		29.4		31

Average Number of Days Below 32F/0C

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		165.4		30.3		26.8		24.3		13		2.7		0.1		---		---		1.1		10.8		26		30.2

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		66.5		21.9		12.8		3.4		0.3		---		---		---		---		---		0.4		7.2		20.6

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		17.9		7.5		2.7		0.4		---		---		---		---		---		---		---		0.7		6.5

Average Number of Days Below 0F/-17C

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.2		3.2		0.8		---		---		---		---		---		---		---		---		0.1		2

Average Precipitation

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		245		14		14		18		22		22		14		22		31		28		26		17		16

Average Number of Days With Precipitation

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		68		5		5		6		6		6		4		7		8		6		5		5		5

Most Reported Precipitation in a Month

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		152		50		152		87		72		69		64		76		87		108		82		70		55

Least Reported Precipitation in a Month

Years on Record: 116

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

Most Precipitation Reported in a Day

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		88.9		34.5		88.9		38.1		33.5		27.7		26.9		37.9		33		38.1		43.2		38.9		30

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		33.3		1.7		1.8		2.9		2.7		3		1.7		2.8		4.1		3.9		3.6		2.8		2.3

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

Years on Record: 116

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

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

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2		---		---		---		---		---		---		---		---		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		3.1		---		---		0.2		0.1		0.2		0.1		0.3		0.5		0.7		0.5		0.4		0.1

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		0.9		0.5		0.5		0.6		0.7		0.9		1.1		1.6		1.7		1.2		0.8		0.6		0.5

Average Snowfall

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		69.3		16.5		11.4		9.9		4.8		0.2		---		---		---		---		1.8		7.1		17.5

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9.7		2		1.8		1.5		0.4		---		---		---		---		---		0.1		1.1		2.8

Most Snow Reported in a Month

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		86.6		84.3		46.5		86.6		52.1		17.3		---		---		9.4		2.5		19.1		62.2		71.9

Avg. No. of Days w/Snow Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.8		1.4		1.1		1.2		0.3		---		---		---		---		---		0.1		0.8		1.9

Avg. No. of Days w/Snow Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.1		0.4		0.4		0.5		---		---		---		---		---		---		---		0.3		0.5

Avg. No. of Days w/Snow Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.5		0.1		0.2		---		---		---		---		---		---		---		---		0.1		0.1

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		51.2		67		60.9		50.2		44.1		40.4		34		41		48.3		49.5		52.6		59.7		67.3

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6197		1172		911		738		497		242		53		3		9		132		459		825		1156

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		554		---		---		---		---		14		108		230		168		33		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2625		---		---		13		76		259		506		691		624		358		92		5		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.3		11.3		12.5		13.7		14.8		15.3		15		14.1		12.8		11.6		10.5		10

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		39.1		49.3		53.6		45.8		44.8		36		25.2		27		35.2		29.2		35.2		40.3		47.4

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		33.7		43.6		46.5		40		39.2		29.4		20		21.1		28.4		25.3		31.1		36.7		43

Average Wind Speed

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		10.9		8.2		9.1		11.6		13.6		13.4		13.4		11.9		10.9		11.1		10.4		9.3		8.1

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.2		9.6		12.5		16.9		20.2		23.7		26.5		24.3		21.2		18.7		14.5		10.1		8.8

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.1		2.6		3.6		4.9		6.5		7.4		7.3		7.6		6.9		5.2		3.7		2.9		2.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.8		16.9		18.1		20.8		20.6		21.7		22.9		21.6		20.7		21.2		20.2		16.6		16.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.4		18.8		19.8		22.2		22.2		25.2		29.2		25.3		22.7		23.6		22.4		18.3		18.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.2		9.6		12.5		16.9		20.2		23.7		26.5		24.3		21.2		18.7		14.5		10.1		8.8

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		2.9		4.1		5.5		7.4		8.5		8.2		8.2		7.5		6.2		4.6		3.3		2.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.8		20.7		21.5		24.6		23.6		24.5		24.9		23.4		22.6		24.2		25.6		20.3		18

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		27.9		24.4		25.1		29.3		28		31.7		34.5		29.9		26.6		29.1		31.2		24.7		20.7

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		8.3		10.6		14.9		16.1		18.6		24		22.3		19		15.2		11		8.7		7.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.2		1.9		2.9		3.8		5.6		6.3		6.3		6.8		6.3		4.2		2.4		2.2		2

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		14		14.7		17.9		16.2		17		20.8		19.8		18.5		16.6		14.1		13.5		13.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.4		14.5		14.5		17.5		14.3		15.4		23.9		21.4		18.3		15.8		13.2		13.7		14.8