HUITZILA, ZACATECAS

Average Temperature

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.6		13.9		15.3		17.4		19.3		21.9		22.8		21.1		21		20.6		19.2		16.2		14.3

Average High Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		27.9		24.4		26.5		29.1		30.7		32.9		30.8		27.9		27.6		27.1		27.3		26.3		24.6

Average Low Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.2		3.3		4.1		5.8		8		11		14.9		14.3		14.4		14		11.1		6.1		3.9

Highest Recorded Temperature

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		39		33.5		35		38.5		38		39		39		38		36.5		37.5		36.5		34.5		33.5

Lowest Recorded Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-9		-9		-6.5		-4		-4		4		6		8		9		5.5		-0.5		-3		-9

Average Precipitation

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		885		29		5		5		3		34		173		230		209		124		51		13		8

Average Number of Days With Hail

Years on Record: 60

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

Most Reported Precipitation in a Month

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		334		309		40		48		46		128		303		334		331		219		112		71		34

Most Precipitation Reported in a Day

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		98.5		59		19		22		16		98.5		86.5		86.5		68		54.5		41		62.5		21.5

Average Number of Rainy Days

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		86		2.5		1		0.7		0.7		3.6		14.8		19		18.6		15		6.7		1.7		1.7

Average Number of Days With Thunderstorms

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6		0.1		---		---		---		0.2		0.9		2.2		1.4		0.6		0.3		0.2		0.1

Heating Degree Days

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		544.8		139.5		85.6		27.6		---		---		---		---		---		---		---		64.2		126.6

Cooling Degree Days

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		539.1		---		---		---		30.8		111.9		135		85.3		82.7		66.7		26.7		---		---

Growing Degree Days

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3245		118.8		149.9		230.8		280.8		370.3		385		343.6		341		316.7		285.1		185.8		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		11.9		12.4		13		13.6		13.8		13.7		13.2		12.6		12		11.5		11.3

Average Number of Days With Fog

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20.7		1.5		0.4		0.2		0.7		0.3		1.5		3.1		3.4		3.9		3.1		1.2		1.4

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.6		17.2		20.8		25.1		26.8		27.4		23.5		21.5		21.3		19.8		20.1		18.8		16.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		3.7		4		4.2		5.5		6.3		7.9		8.4		7.8		7		5		3.4		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		22.9		21.6		24.3		26.8		26		24.9		23.4		21.2		20.1		20.1		22.5		23.4		20.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.4		25.4		28.4		32.1		31		30.1		22.4		18.8		19.4		19.2		24.7		28.1		25.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.6		17.2		20.8		25.1		26.8		27.4		23.5		21.5		21.3		19.8		20.1		18.8		16.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.5		5.2		5.3		5.9		7		7.4		8.6		8.9		8.3		7.4		5.8		4.3		4.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.4		25.1		27.4		29.2		28.8		26.3		26.3		23		22.3		22.5		25.8		25.5		22.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		30.4		31.8		34.5		37.1		37.3		33.6		27.8		22.1		23.7		23.6		30.9		32		30.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.8		12.5		17.7		21.7		23.4		24.8		21.1		18.2		19		17.9		17.9		17		13.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.6		2.6		2.7		3		3.9		5.5		7		7.9		7.1		6.3		3.8		2.7		2.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.6		14.7		20.2		22.9		22.6		22.8		20.9		17.8		18		18		19.8		20.6		16.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.3		13.6		20.9		24.4		23.8		24.9		18.1		13.4		15.5		15.6		19.8		23.1		18.2