ESTACI?N CAMACHO, ZACATECAS

Average Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.4		11.9		14		16.1		19.7		22.4		23.5		22.8		22.4		21.3		18.8		15.6		12.4

Average High Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		27.4		21.4		23.4		25.9		29.8		31.9		32.2		31.1		30.7		29		27.2		24.6		21.4

Average Low Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.4		2.4		4.6		6.3		9.5		12.9		14.7		14.5		14.1		13.6		10.4		6.6		3.5

Highest Recorded Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		39		36		32		37		39		39		39		39		39		37		39		34		36

Lowest Recorded Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-10		-10		-9		-9		---		2		5		4		7		5		0.5		-8		-9

Average Precipitation

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		287		8		7		4		6		17		41		46		57		48		31		8		14

Average Number of Days With Hail

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.2		---		---		---		---		0.2		0.2		0.4		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		239		78		57		40		34		65		137		239		155		201		151		49		92

Most Precipitation Reported in a Day

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		115		16		22		28		26.5		35		115		103		62		60		78		30		60.4

Average Number of Rainy Days

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32.9		1.3		0.9		0.5		0.8		2.2		4.3		4.8		6.6		5.6		3.3		1		1.6

Average Number of Days With Thunderstorms

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1		---		---		---		0.2		0.2		0.2		0.2		0.2		---		---		---		---

Heating Degree Days

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		802.3		199.8		122.4		69.8		---		---		---		---		---		---		---		81.7		182.6

Cooling Degree Days

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		688.3		---		---		---		39.2		125.7		154.2		138.7		126.6		89.2		14.7		---		---

Growing Degree Days

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3136.5		58.6		113		188.6		289.2		384.1		404.2		397		384.9		339.2		273		168.3		75.8

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		11.2		11.8		12.4		13.1		13.8		14.1		13.9		13.3		12.6		11.9		11.4		11.1

Average Number of Days With Fog

Years on Record: 60

		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		20.2		15.2		18.4		22.4		23.5		24.6		24.1		22.9		22.1		19.6		18.5		16.9		14.6

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		4.4		5.1		6.7		7.5		8		8.1		7.5		6.8		5.1		3.6		3.5

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.3		19		21.9		24.2		22.9		22.5		21.4		20.7		20.8		20.1		21.2		21.7		18.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.3		22.4		24.4		27.2		24.7		24.7		23.1		21.2		21.2		19.5		22.6		25.3		22.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.2		15.2		18.4		22.4		23.5		24.6		24.1		22.9		22.1		19.6		18.5		16.9		14.6

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		4.9		5.2		6.3		7.6		8.1		8.6		8.8		8		7.2		6		4.2		4.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.5		22.7		25.9		26.2		25.1		24.2		22.5		22.3		22.3		21.2		24.3		23.6		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		27.6		29.3		31.6		31		29.3		28.7		25.6		24.9		24.1		21.6		28.3		28.6		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		17.8		11.4		16.3		19.4		20.8		22.5		21.9		19.7		20.4		17.9		15.6		15.4		12.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.1		2.7		3.1		4.3		5.8		6.7		7.6		7.5		7.1		6.4		4.1		3		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		18.4		13.4		19.1		20.7		20.2		20.7		19.7		18		19.3		18.3		17.4		19.4		14.9

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		12.8		19.5		20.7		19.4		20.7		19.1		15.8		18.1		16.4		16.2		21.3		15.8