ARCH, NEW MEXICO

Average Temperature

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.9		3.3		5		8.6		12.9		18.6		23.8		25.3		24.3		20.2		14.2		7.4		2.9

Average High Temperature

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		22.9		12.2		14.6		18.4		22.7		27.9		32.8		33.5		32.6		28.6		23.7		16.5		12.1

Average Low Temperature

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.8		-5.7		-4.6		-1.2		3.2		9.3		14.8		17		16.1		11.7		4.6		-1.8		-6.3

Highest Recorded Temperature

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		42.8		25.6		27.8		30.6		35		41.1		42.8		41.1		40.6		38.9		36.7		30.6		25.6

Lowest Recorded Temperature

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-21.7		-17.8		-21.1		-16.7		-8.9		-3.9		-1.1		9.4		8.9		-1.1		-11.7		-13.9		-21.7

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		6.3		---		---		---		---		0.2		2.5		2.3		1.2		0.1		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		77.3		---		---		---		0.6		7.9		18.1		22.3		19.8		7.5		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		149.3		---		---		2.4		9.3		18.5		27.1		29.9		29.3		21.5		9.4		1.9		---

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		219.9		1.6		4.2		12.6		21.2		27.4		29.9		30.9		30.9		27.9		22.1		10		1.3

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		279.6		9.4		13.9		22		26.8		30.3		30		31		31		29.7		28.5		17.7		9.4

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		326.4		20		21.4		27.7		28.9		30.9		30		31		31		29.9		30.3		25.2		20

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		351.4		26.6		25.7		29.8		30		31		30		31		31		30		30.9		28.7		26.8

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		364.3		31		28		31		30		31		29.5		30.8		30.9		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		306		31		28		31		30		29.9		18.3		7.3		12		26.5		30.9		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		231.9		31		28		30.9		28.3		16.9		1.5		0.3		0.2		7.6		26.5		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		178.9		30.8		27.5		28.1		17.6		3.6		---		---		---		1.1		12.4		26.9		30.9

Average Number of Days Below 32F/0C

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		134		28.4		23.9		18.9		7.5		1.1		---		---		---		0.1		5.3		20.5		28.4

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		46.6		14.8		10.2		3		0.2		---		---		---		---		---		0.2		4.2		14

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		5.4		1.8		1		0.2		---		---		---		---		---		---		---		0.2		2.2

Average Number of Days Below 0F/-17C

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.6		0.1		0.2		---		---		---		---		---		---		---		---		---		0.3

Average Precipitation

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		390		9		10		17		26		52		47		58		55		53		36		12		16

Average Number of Days With Precipitation

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32		1		1		1		2		4		4		5		4		4		3		2		1

Most Reported Precipitation in a Month

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		269		40		37		63		110		269		139		254		183		195		189		46		81

Most Precipitation Reported in a Day

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		82.5		24.1		23.4		41.9		45.7		76.7		46.5		82.5		68.1		76.2		43.2		29.2		50.3

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		31.6		1.6		1.4		1.7		1.9		3		4.4		4.2		4.2		3.7		2.5		1.5		1.5

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

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		27		1		1		1		2		3		4		4		4		3		2		1		1

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

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12		---		---		1		1		2		1		2		2		2		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		11.1		0.3		0.2		0.7		0.6		1.4		1.3		1.4		1.8		1.7		0.9		0.3		0.5

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

Years on Record: 98

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

Average Snowfall

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		12.7		5.3		1.3		0.8		0.2		---		---		---		---		---		---		1.3		3.8

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.2		0.8		0.4		---		0.1		---		---		---		---		---		---		0.3		0.6

Most Snow Reported in a Month

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		39.4		39.4		15.2		17.8		4.6		---		---		---		---		---		---		11.4		35.6

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		2		0.8		0.3		---		0.1		---		---		---		---		---		---		0.2		0.6

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		1		0.5		0.1		---		---		---		---		---		---		---		---		0.1		0.3

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		0.4		0.2		---		---		---		---		---		---		---		---		---		---		0.2

Avg. No. of Days w/Snowfall Above 10in/25cm

Years on Record: 30

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

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4167		866		684		531		273		90		4		1		---		39		235		581		862

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1256		---		---		1		9		89		284		373		338		145		17		1		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4035		4		9		73		221		466		730		837		803		558		274		56		5

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.6		11.4		12.4		13.5		14.4		14.9		14.6		13.8		12.8		11.7		10.8		10.4

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.6		10.7		13.8		18.6		23.3		25.2		26.1		25.9		22.6		19.7		15.8		11.9		9.8

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.2		3.1		4		5		5.9		7.1		7.5		7.2		6.8		5.4		4.1		3.1		2.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.5		16.2		18.5		21.7		23.6		22.9		22.7		22.9		21.8		21.6		20.5		17.5		15.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.4		18.4		20		23.8		27.4		27.1		27.6		27.8		24.3		23.7		22.7		20.2		18

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.6		10.7		13.8		18.6		23.3		25.2		26.1		25.9		22.6		19.7		15.8		11.9		9.8

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6		3.6		4.6		6		7.1		8.4		8.5		8		7.6		6.2		5		3.8		3.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.6		21.3		22.9		25.5		26.6		25.4		25.1		24.9		23.7		23.9		24.1		21.9		18.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		29.4		26.5		27.6		30.6		33.8		33.2		33.9		33		28.4		28.1		28.4		27.2		22.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.8		8.6		11.5		15.4		19.8		20.6		23		23.5		20		17.5		12.4		9.6		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		4.2		2.1		2.9		3.8		4.6		5.9		6.2		6.1		6		4.7		3.2		2.2		2.3

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.8		12		14.8		17.3		19.8		18.9		20.2		20.9		19.3		18.9		15.1		13.2		11.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.9		11.9		14.1		16.5		19.9		18.2		21.6		23.1		19.1		18.8		14.2		13.4		11.2