SAN FERNANDO, TAMAULIPAS

Average Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		23.5		15.5		17.5		21.2		24.7		27.3		29		29.2		29.5		27.6		24.1		19.9		16.2

Average High Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		29.6		21.8		24		27.5		31		32.8		34.8		35.3		35.9		33.6		30.4		26.3		22.3

Average Low Temperature

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17.1		8.8		10.5		14.4		18.4		21.4		23.1		23.2		23.1		21.6		17.8		13.5		9.6

Highest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		46		37.5		39		41.5		43.5		44		46		42		42		45.5		39		36.5		38

Lowest Recorded Temperature

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-9.5		-7.5		-9.5		-2		2		10.1		13.4		18		2.5		10.2		1.5		-2.5		-8.4

Average Precipitation

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		648		26		19		21		35		57		89		61		76		138		72		29		25

Average Number of Days With Hail

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.2		---		---		---		0.1		0.1		---		---		---		---		---		---		---

Most Reported Precipitation in a Month

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		425		184		84		180		191		203		342		327		297		425		229		169		126

Most Precipitation Reported in a Day

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		175		58		71		115.5		87.5		163.6		175		108.8		119		159		144.5		108		78

Average Number of Rainy Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		56.2		4.4		3.5		3		3.7		4.5		5.6		4.4		5.1		8.5		5.5		3.8		4.2

Average Number of Days With Thunderstorms

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17.8		2.1		1.3		1.5		1.5		1.3		1.3		0.9		1.3		2.1		1.5		1.4		1.6

Heating Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		258.6		94.7		30.6		---		---		---		---		---		---		---		---		---		74.1

Cooling Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2049.2		---		---		80.9		190.8		271.3		318.3		338.4		346.2		278.3		178.3		46.7		---

Growing Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5041		163.6		204.8		339.3		440.8		529.6		568.3		596.8		604.5		528.3		436.6		296.7		184.3

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		11.7		12.4		13.2		13.8		14.1		13.9		13.4		12.7		11.9		11.3		11

Average Number of Days With Fog

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21.4		3.2		2.6		1.9		1.5		1.7		0.5		0.7		0.8		1.6		1.6		2.7		2.6

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.1		11		13.3		16.9		19.2		21.4		22.6		22.8		21		18		15.9		12.8		10.7

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.6		4.6		5.6		6.7		7.8		8.3		8.5		8.1		7.7		7		5.7		4.7		4.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.5		13.1		15.2		17.9		18.6		19.7		20.2		20.6		20		18.4		18.1		15.3		13.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.9		12.7		13.6		16.1		16.9		18.9		20.4		21.1		19.4		17		17.6		15.8		13.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.1		11		13.3		16.9		19.2		21.4		22.6		22.8		21		18		15.9		12.8		10.7

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		4.8		5.8		7.1		8.1		8.8		9		8.6		8.3		7.4		6		5		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		20.7		18.8		19.8		21.5		22.7		21.8		21.9		23.3		21.5		20.6		21		18.2		17.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.6		22		20.8		22.2		24.4		23.1		24.3		27.5		22.4		20.6		22.4		20.7		20.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.3		8.2		10.5		14.3		15.2		18.2		19.2		20.8		18.1		14.3		14.4		10.1		7.7

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		3.8		4.9		6		6.8		7.8		7.9		7.1		7.3		6.5		5		4.2		3.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.3		9.2		11.6		14.8		14.7		16.9		17.4		18.9		17.2		14.4		16.1		11.5		8.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.6		7		8.5		11.4		10.4		13.5		14.7		17.5		14.3		10.6		14.4		9.8		6.9