EL SALVADOR, ZACATECAS

Average Temperature

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17.2		11.3		13.3		16.3		18.8		20.6		21.5		21.5		20.9		19.8		17.6		13.8		11.4

Average High Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		26.8		21.2		23.5		26.9		29.4		30.5		30.5		30.1		29.9		28.1		26.9		23.9		21.2

Average Low Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.6		1.4		3.1		5.7		8.2		10.6		12.5		12.9		11.9		11.4		8.3		3.8		1.6

Highest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		42		35		34		39		42		40		38		37		36		38		39		32		30

Lowest Recorded Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-14		-14		-10		-9		-5		1		3		4		7		---		-5		-7		-13

Average Precipitation

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		426		7		11		10		22		50		75		55		68		69		34		16		9

Average Number of Days With Hail

Years on Record: 34

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.7		---		---		0.2		0.1		1.3		1		0.3		0.9		0.4		0.3		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		207		32		56		48		93		115		174		129		207		173		116		132		52

Most Precipitation Reported in a Day

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		88.5		26.7		28		24.5		37.1		79		75.5		55.5		64.4		88.5		46.8		73		15.4

Average Number of Rainy Days

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		53.7		1.8		1.7		2		3.3		6.3		8		7.1		8.3		7.3		4.1		2		1.8

Average Number of Days With Thunderstorms

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16.8		1.8		1.7		0.5		1.2		0.8		1.1		0.2		1.1		1.8		1.9		2.3		2.4

Heating Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		967.2		217.9		142.1		62.9		---		---		---		---		---		---		23.3		135		214.4

Cooling Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		398		---		---		---		14.2		68.9		95		98.2		79.2		42.5		---		---		---

Growing Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2681.6		40.5		93.4		195.5		264.2		327.2		345		356.5		337.6		292.5		235.1		115		43.9

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		11.2		11.7		12.4		13.1		13.8		14.1		13.9		13.3		12.6		11.9		11.3		11.1

Average Number of Days With Fog

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.7		2.2		1		0.7		0.4		0.9		0.4		0.5		1		1		1.2		1.2		1.2

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.6		13.8		16.6		20.6		21.4		22.6		22.3		21.8		20.7		18.2		16.8		15.1		13.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.3		4.1		4.9		5.7		7.3		8.1		8.5		8.4		7.8		7		5.4		4.1		3.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.5		17.3		19.8		22.3		20.8		20.7		19.9		19.8		19.7		18.6		19.2		18.6		17

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.1		19.6		20.8		23.7		20.7		20.9		19.9		19.3		18.7		17.2		19.4		21.4		19.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.6		13.8		16.6		20.6		21.4		22.6		22.3		21.8		20.7		18.2		16.8		15.1		13.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.8		4.8		5.4		6.4		7.9		8.6		9		8.9		8.3		7.3		6.1		4.8		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		22.2		21.7		23.8		24.8		23.4		23		22.5		21.2		21.5		20.8		22.5		21		20.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.3		27.5		27.8		28.4		25.9		25.8		25.7		22.5		22.2		20.9		25.1		25.7		26.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.9		9.7		15		18.5		19		20.1		19.3		18.6		18.1		15.9		13.5		12.9		9.7

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		2.9		3.7		4.8		6.5		7.3		7.6		8		7.3		6.5		4.6		3.4		2.8

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.3		11.2		17.5		19.8		18.4		18.6		17.5		17.1		17.2		16.2		14.9		15.4		11.6

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.5		9.8		17.1		19.3		16.4		16.5		14.8		14		14.3		13.2		12.5		15.8		10.7