CERRO VIEJO, DURANGO

Average Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17		11.4		12.7		15.1		18.1		20.7		22.2		20.7		20.2		19.4		17.4		14.4		12.1

Average High Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		26.1		21.1		22.8		25.7		28.4		30.6		30.7		27.9		27.2		26.5		26.1		24.4		21.6

Average Low Temperature

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8		1.7		2.6		4.6		7.7		10.8		13.7		13.5		13.2		12.3		8.6		4.4		2.7

Highest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		38.5		29.5		30.5		33		38.5		38		38.5		36		35		35		33		31.5		29

Lowest Recorded Temperature

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-15		-15		-6		-4.5		-2		---		7		8.5		8.5		3		-2		-7		-10

Average Precipitation

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		492		18		10		4		4		15		62		109		124		90		29		13		15

Average Number of Days With Hail

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.7		0.1		---		---		---		0.1		0.1		0.2		0.1		0.1		---		---		---

Most Reported Precipitation in a Month

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		317		147		62		50		23		88		186		281		317		226		82		76		56

Most Precipitation Reported in a Day

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		74.8		40		46.5		20.8		16		52		45		74.8		68.2		59.5		34		58.5		34.5

Average Number of Rainy Days

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		69.3		2.9		1.8		1		1.3		2.7		8.7		14.8		15.4		11.5		4.7		1.8		2.7

Average Number of Days With Thunderstorms

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		80.2		0.5		0.7		1		2.4		5.3		12.6		16.8		17.6		14.4		6.8		1.4		0.7

Heating Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		972.8		214.4		159.3		98.2		8.3		---		---		---		---		---		30.2		118.3		191.2

Cooling Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		353.4		---		---		---		---		73.2		116.7		73.2		58.6		31.7		---		---		---

Growing Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2631.2		43.9		76.1		160.2		241.7		331.6		366.7		331.6		316.9		281.7		228.2		131.7		67.2

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		11.3		11.8		12.4		13.1		13.7		14		13.9		13.3		12.6		12		11.4		11.1

Average Number of Days With Fog

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.6		0.2		0.2		---		---		0.2		0.3		0.4		1.3		1.7		1.3		0.5		0.5

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.8		15.7		19.1		23.6		25.2		25.6		24.8		22.5		21.8		19.7		19.3		17.4		14.9

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		3.6		4.1		4.5		6		7.1		7.8		8.2		7.6		6.7		4.7		3.4		3.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22		19.8		23.1		25.7		24.6		23.3		22		20.4		20.6		20.2		22.3		22.5		19.4

Average 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		23.9		26.5		30.2		28.2		26.6		24.5		20.7		20.7		19.9		24.7		26.7		23.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.8		15.7		19.1		23.6		25.2		25.6		24.8		22.5		21.8		19.7		19.3		17.4		14.9

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.5		4.8		5.2		6.2		7.5		7.8		8.5		8.9		8.1		7.3		5.8		4.1		4.4

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.7		23.6		27		28.2		28.2		25.1		23.8		22.5		22.4		22.3		25.7		24.8		22.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		30		31.1		33.8		35.1		36.2		30.9		29		25.3		24.4		23.7		30.8		30.7		28.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.9		11.6		16.4		19.8		21.4		23.6		22.6		18.1		19.9		17.1		16.3		15.8		11.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.6		2.4		2.6		3.4		4.2		6.2		7		7.5		7		6.1		3.6		2.6		2.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.5		13.7		19.2		21.2		20.8		21.6		20.3		16.7		18.8		17.4		18.4		20.1		14.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.2		13.4		19.7		21.6		20.5		22.8		20.4		13.3		17.2		15		17.8		22.4		15.1