CUATRO CI?NEGAS, COAHUILA

Average Temperature

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		21.5		12.4		14.6		18.7		23.2		26.6		28.4		28.6		28.4		25.8		21.8		16.6		12.9

Average High Temperature

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		28.5		20		22.4		26.8		31		33.8		34.8		34.7		34.4		31.7		28.4		23.9		20.2

Average Low Temperature

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.5		4.8		6.7		10.6		15.3		19.3		22		22.5		22.4		19.9		15.1		9.3		5.6

Highest Recorded Temperature

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		48		36		38		39.5		48		48		44		43		42.5		45		40		40		34

Lowest Recorded Temperature

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-10		-10		-10		-5		2		5		5		10		4		9		---		-9		-10

Average Precipitation

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		214		9		8		6		10		20		26		22		30		39		21		11		13

Average Number of Days With Hail

Years on Record: 60

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

Most Reported Precipitation in a Month

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		180		59		62		51		79		140		146		78		138		180		115		69		83

Most Precipitation Reported in a Day

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		80		27		28		51		46		45		66		50		80		77		53		50		38

Average Number of Rainy Days

Years on Record: 35

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25.8		1.7		1.3		0.9		1.4		3		2.8		2.3		2.7		3.6		2.5		1.6		2

Average Number of Days With Thunderstorms

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.4		0.1		0.1		0.1		0.5		1.3		1.2		1.1		0.8		0.5		0.4		0.2		0.1

Heating Degree Days

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		645.8		184.3		106.7		---		---		---		---		---		---		---		---		52.5		167.9

Cooling Degree Days

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1671.6		---		---		11.2		144.2		254.1		301.7		318.6		311.7		224.2		105.9		---		---

Growing Degree Days

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4276.5		74.1		128.7		269.6		394.2		512.4		551.7		576.9		570.1		474.2		364.3		197.5		90.4

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		11.1		11.7		12.4		13.2		13.9		14.3		14.1		13.5		12.7		11.9		11.2		10.9

Average Number of Days With Fog

Years on Record: 21

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

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		12.8		15.6		19.7		20.9		22.4		22.5		22.2		20.6		18.2		16.1		13.9		12

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.2		3.9		4.8		5.8		7.3		8.1		8.5		8.3		7.8		6.8		5.3		4.1		3.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.1		16.6		18.9		21.5		20.4		20.5		20		20		19.7		18.8		18.7		17.6		16

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.6		18.6		19.7		22.5		20.3		20.6		20.3		20.1		18.9		17.8		18.8		19.8		18.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		12.8		15.6		19.7		20.9		22.4		22.5		22.2		20.6		18.2		16.1		13.9		12

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.7		4.5		5.3		6.6		7.8		8.7		9		8.8		8.2		7.2		5.9		4.6		4.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.9		21.3		22.8		23.6		22.8		22.1		22.1		21.5		21.5		21.2		23.3		20.8		19.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.7		26.7		26.1		26.3		24.9		24.1		25		23.3		22.4		22		26.6		25.5		23.6

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.7		10.2		14		16.6		19.2		19.6		19.6		20.2		18.4		16		12.8		12.2		9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		2.8		3.9		5.2		6.6		7.6		7.8		7.9		7.3		6.2		4.1		3.2		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		16.2		12.5		16.6		17.8		18.7		18.1		17.6		18.3		17.6		16.3		14.3		14.9		11.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.6		11.9		15.9		16.2		17.1		15.9		15.3		16.5		15.1		13.8		12		15.3		10.2