PASO DE SAN ANTONIO, SAN LUIS POTOSI

Average Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		20.6		16.1		17.5		20.5		23		24.1		23.9		22.7		23.1		21.8		20.3		18.2		16.3

Average High Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		30.7		26.7		28.8		32.1		34.3		34.7		33.5		31.5		32.1		30.3		29.5		28.2		26.6

Average Low Temperature

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.6		5.6		6.2		8.9		11.6		13.5		14.3		13.9		14		13.4		11.1		8.2		5.9

Highest Recorded Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		49		42		45		47		49		48		48		44		44		44		42.5		41		43

Lowest Recorded Temperature

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-12		-12		-9		-5		-1		1		2		2		3		1		-0.4		-10		-12

Average Precipitation

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		937		22		16		10		45		84		159		207		123		164		71		23		12

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		0.2		---		---		---		---		---		---		---

Most Reported Precipitation in a Month

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1673		369		315		90		700		465		1200		1673		520		1204		560		335		125

Most Precipitation Reported in a Day

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		410		155		250		90		200		180		250		400		190		210		410		170		69.5

Average Number of Rainy Days

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		54.6		1.8		1.7		1.2		2.5		5		6.9		9.1		7.8		10.1		4.9		2.1		1.5

Average Number of Days With Thunderstorms

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.3		0.3		0.2		0.2		0.5		1		0.8		0.4		0.4		0.8		0.5		0.5		0.7

Heating Degree Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		210.4		67.2		23.6		---		---		---		---		---		---		---		---		3.3		64.6

Cooling Degree Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		999.1		---		---		67.2		138.3		179.1		166.7		135.2		146.4		105		61.2		---		---

Growing Degree Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4039.3		191.2		211.9		325.5		388.3		437.4		416.7		393.6		404.7		355		319.5		246.7		193.8

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		13.9		13.7		13.2		12.6		12		11.5		11.2

Average Number of Days With Fog

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.2		0.5		0.2		0.4		0.2		0.4		0.2		0.2		0.2		0.5		0.4		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		18.8		13.9		16.9		20.4		21.9		23.1		22.4		21.4		21.6		18		17.1		15.4		13.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.5		4.6		5.4		6.2		7.3		7.9		8.3		8.4		7.7		7.2		5.8		4.6		4.4

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.5		16.4		19.4		21.5		21.2		21.2		22.2		19.5		20.4		18.2		18.9		18.8		15.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.5		17.8		19.8		22		21.2		21.7		20.3		18.7		20.1		16.2		18.6		20		17.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.8		13.9		16.9		20.4		21.9		23.1		22.4		21.4		21.6		18		17.1		15.4		13.2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.1		5.1		5.8		7		8		8.5		9		8.9		8.3		7.6		6.4		5.2		4.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.3		20.5		23.8		23.9		23.4		23.4		24.5		22		22.5		20.6		22.8		21.5		19.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.7		25.1		27.6		26.3		25.4		26.5		24.5		23.9		24.3		20.2		25.2		24.8		23

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.7		8.9		15.2		17.8		19.4		20.8		18.3		17.5		18.4		13.8		14.4		13.6		10.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		3.7		4.1		5.4		6.7		7.1		7.7		7.7		7		6.8		4.8		3.9		3.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.1		9.8		17.2		18.6		18.8		19.3		18		16.2		17.4		13.8		15.6		16.2		12.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		7.3		16.1		16.9		16.6		17.6		13.4		12.3		14.5		9.4		13.2		15.7		11.1