TEPECHITL?N, ZACATECAS

Average Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.6		13.7		15		17.4		19.8		22.3		23.1		21.2		20.8		20.4		18.6		16.2		14.3

Average High Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		27.7		24		25.7		28.4		30.6		32.5		31		27.7		27.5		27.3		27.3		26.5		24.3

Average Low Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.4		3.3		4.3		6.4		9		12.1		15.2		14.6		14.2		13.5		10		5.8		4.2

Highest Recorded Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		41		33		33.5		41		37.5		39		39		39		34		33		33		37		30.5

Lowest Recorded Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-11		-9		-6.5		-3.5		-1		2		6		10		9		4.5		-1.5		-5		-11

Average Precipitation

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		746		16		8		6		7		21		125		202		180		110		45		11		15

Average Number of Days With Hail

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.6		0.1		0.1		---		---		0.1		0.2		0.4		0.4		0.1		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		422		203		61		79		117		102		299		422		332		267		117		69		86

Most Precipitation Reported in a Day

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		101		41.1		32.4		40		40.5		37.2		101		80.6		80.8		82		56.5		35.6		55

Average Number of Rainy Days

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		93.7		3		1.8		1		1.6		4		14.1		20.1		20		15.2		7.7		2.3		2.9

Average Number of Days With Thunderstorms

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31.3		0.9		0.3		0.2		0.3		1.3		4.3		7.1		7.6		5.1		2.2		1.2		0.8

Heating Degree Days

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		562.8		145.6		94.2		29.3		---		---		---		---		---		---		---		65.8		126.6

Cooling Degree Days

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		548.1		---		---		---		44.2		123.2		143.3		87.8		78.4		61.7		9.5		---		---

Growing Degree Days

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3236		112.8		141.3		229.1		294.2		381.5		393.3		346.2		336.7		311.7		267.8		184.2		131.8

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		11.4		11.8		12.4		13.1		13.6		13.8		13.7		13.2		12.6		12		11.5		11.2

Average Number of Days With Fog

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31.4		0.8		0.5		0.3		0.4		0.9		3		5.7		7.8		6.1		4.2		0.7		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		20.7		16.4		19.8		23.8		25		25.2		22.9		21.7		21.4		19.5		19.2		18.1		15.9

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		3.8		4.2		4.8		6.2		7.2		8.2		8.3		7.7		7		5.2		3.5		3.4

Average 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		20		23.3		25.5		24.3		23.1		22.6		19.8		20.2		19.8		21.7		22.7		19.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.9		24.2		26.7		29.6		27.4		25.8		21.2		19.1		19.7		18.9		23.3		26.9		24.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.7		16.4		19.8		23.8		25		25.2		22.9		21.7		21.4		19.5		19.2		18.1		15.9

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.6		5		5.3		5.9		7.2		7.9		8.9		8.9		8.2		7.4		5.9		4.2		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		24.6		23.1		27.1		27.6		27.6		25.2		25.6		21.7		21.6		21.9		25.6		24.2		23

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		29.1		30.2		33.9		33.7		34.7		31		26.6		23.4		22.4		22.6		30.6		29.7		30.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		12.5		17.4		21.2		22.6		23.2		19.9		17.5		19		17.3		17		16.5		13.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		2.8		2.8		3.8		4.6		6.2		7.3		7.7		7.3		6.4		3.8		3		2.4

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.9		14.4		20		22.5		22		21.4		19.6		16.2		17.9		17.5		18.8		20.3		16.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.4		14.3		20.8		23.7		22.6		21.9		15.9		12.3		15.4		14.9		18.2		22.7		17.8