SAN ROLANDO, TAMAULIPAS

Average Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24.5		18.1		20		23.2		25.9		28.3		28.9		28.1		28.5		27.3		24.8		21.9		18.6

Average High Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		29.6		23.2		25.5		29.1		31.8		33.8		33.9		32.7		33.4		31.7		29.4		26.9		23.4

Average Low Temperature

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		19.4		13.1		14.6		17.2		19.9		22.7		23.9		23.4		23.7		22.8		20.2		16.8		13.9

Highest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		46.5		34		38.5		43		46.5		45		43		39		39.5		41		37.5		35		35

Lowest Recorded Temperature

Years on Record: 28

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-5		2		2		3		9		15.5		19		20		19		14		9		6		-5

Average Precipitation

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		812		19		11		10		31		69		157		171		120		113		81		20		11

Average Number of Days With Hail

Years on Record: 15

		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: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		407		206		57		40		201		197		378		407		404		306		367		79		78

Most Precipitation Reported in a Day

Years on Record: 33

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		195.4		143		41		22.8		107.5		77.5		120.5		190		195.4		130.8		152.5		61.8		24

Average Number of Rainy Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		61.5		2.2		1.7		2.2		3		5.3		9.8		10.4		8.2		9		4.8		2.2		2.7

Average Number of Days With Thunderstorms

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.5		0.2		0.3		0.6		0.6		0.7		0.7		0.3		0.9		0.5		1		1.3		0.4

Heating Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.2		5.2		---		---		---		---		---		---		---		---		---		---		---

Cooling Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2256.2		---		48.7		149.8		225		307.4		316.7		301.4		316.9		267.5		200.7		105		9.5

Growing Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5501.5		253.2		284.1		408.2		475		565.8		566.7		559.7		575.2		517.5		459		355		267.8

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		11.3		11.8		12.4		13.1		13.7		13.9		13.8		13.3		12.6		12		11.4		11.2

Average Number of Days With Fog

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		70.7		6.1		6.5		6		5.9		4.7		3.7		6.5		6.2		5.8		6.9		6.1		6.3

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		12.8		15.5		18.8		20.2		21.6		21.9		22.2		21.7		18.4		17		14.5		12.4

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		5.5		6.5		7.7		8.3		8.5		8.2		7.6		7.1		5.7		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		18.8		15.2		17.8		19.8		19.6		19.9		21.5		20.2		20.5		18.8		19		17.8		15.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.3		15.8		17.3		19		18.2		19.1		19.2		20.1		20.4		17.2		18.8		18.5		16.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		12.8		15.5		18.8		20.2		21.6		21.9		22.2		21.7		18.4		17		14.5		12.4

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		5.9		7.1		8.2		8.8		9		8.9		8.3		7.5		6.2		5.2		4.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.8		19.7		22.4		22.2		22.5		22.7		24.5		22.8		22.2		20.9		21.7		20.7		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		23.8		23.5		25.1		23.3		23.6		25.1		24.7		25.8		23.9		21.1		23.4		23.5		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		14.9		8		13.6		16.1		16.9		18.9		18.6		18.8		18.2		13.8		14.7		11.9		9.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		3.8		4.5		5.9		7		7.4		7.7		7.3		7.1		6.6		5.1		4		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		15.2		8.8		15.3		16.7		16.3		17.6		18.2		17.3		17.2		13.8		16.1		14		10.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.4		6.2		13.4		14		12.6		14.5		13.8		14.3		14.3		9.5		14.1		12.6		9.4