SAN LUIS LAKES, COLORADO

Average Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5.7		-6.4		-4.3		-0.3		5.3		10.1		14.9		18.2		16.7		13.4		7.3		-0.9		-6.1

Average High Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.6		3.2		5.8		9.1		14.6		19.4		25.2		27.6		26.3		24.3		18.3		9.2		3.8

Average Low Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-4.2		-16.1		-14.3		-9.7		-4.1		0.7		4.7		8.8		7		2.5		-3.6		-11.1		-15.9

Highest Recorded Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		33.3		15		17.2		18.3		23.9		28.9		33.3		32.8		31.7		31.1		29.4		20.6		14.4

Lowest Recorded Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-35		-31.7		-35		-20.6		-18.3		-10.6		-4.4		2.8		---		-6.7		-17.8		-30.6		-30.6

Average Number of Days Above 90F/32C

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.2		---		---		---		---		---		0.7		0.5		---		---		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		225.5		31		27.9		30.8		25.4		13.5		2.9		---		0.1		9		24.3		29.7		31

Average Number of Days Below 0F/-17C

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		36.2		13.1		7.4		1.4		0.1		---		---		---		---		---		0.1		2.1		12

Average Precipitation

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		151		4		2		3		8		22		10		32		34		17		14		4		2

Average Number of Days With Precipitation

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		55		3		2		2		4		6		4		10		10		6		4		2		2

Most Reported Precipitation in a Month

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		59		16		5		11		20		42		29		59		58		33		35		12		8

Least Reported Precipitation in a Month

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		---		2		2		---		12		7		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		35		9.1		3.8		4.8		14.7		26.2		13.5		24.4		35		11.4		15.2		7.1		3.3

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

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17		1		---		1		1		2		1		4		3		2		2		---		---

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

Years on Record: 10

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

Most Snow Reported in a Month

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		0.2		---		---		---		---		---		---		---		---		---		---		---		0.2

Heating Degree Days

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3007.8		596.1		480		403.9		224.4		97.8		16.1		0.6		0.6		23.3		170.6		410.6		583.9

Cooling Degree Days

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		34.4		---		---		---		---		---		5		21.1		7.2		1.1		---		---		---

Growing Degree Days

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		713.2		---		---		---		---		1.7		148.3		253.2		206.7		103.3		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.4		11.3		12.4		13.7		14.7		15.2		15		14		12.8		11.6		10.6		10.1

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.1		9.6		12.8		17		20.3		23.5		25.2		23.1		20.5		18.9		14.9		10.6		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		3.5		4.8		6.5		7.5		7.8		8		7.1		5.1		3.6		2.7		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		19.7		16.9		18.4		20.7		20.7		21.5		21.8		20.5		19.9		21.5		20.8		17.5		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		22.1		18.8		20.6		22.5		22.4		24.7		26.3		23		21.1		24.1		23.4		20.1		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		17.1		9.6		12.8		17		20.3		23.5		25.2		23.1		20.5		18.9		14.9		10.6		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		5.7		3.1		3.8		5.4		7.2		8.3		8.6		8.5		7.6		5.8		4.7		3.1		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		22.4		19.3		21.4		23.1		24.2		23.9		24.4		23		22		23.7		24.2		20.3		19.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		27.1		22.3		25		26.7		29.3		30.3		32.9		28.9		25.3		28.3		28.9		24.7		22.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.9		7.9		11.9		15.1		17.6		20.5		22.6		21		18.2		16.7		10.8		9.4		7.7

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.4		2.2		2.9		4.2		5.4		6.5		6.6		7.1		6.5		4.4		2.7		2.2		1.8

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.7		12.8		16.9		17.8		17.8		18.8		19.7		18.8		17.6		18.6		13.6		14.7		13.6

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		18		17.9		17		18.8		21.2		19.1		16.7		19.1		12.6		15.9		14.5