SANTO TOM?S DE LOS PL?TANOS, MEXICO

Average Temperature

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		21		13		15		17		21		25		30		29		28		27		23		17		13

Average High Temperature

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24.4		22.8		24.1		26.4		28.2		28.4		25		23		23.1		22.6		23.1		23.3		22.8

Average Low Temperature

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.3		10.3		10.6		12		13.9		15.3		15.5		14.9		14.8		14.7		13.9		12.4		11

Highest Recorded Temperature

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		34.5		29.5		29		32		32		34.5		34.5		28.5		28.5		27.5		29		28.5		27

Lowest Recorded Temperature

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.5		0.5		0.5		5		1.5		7		5.5		5		10		7.5		5		4		3

Average Precipitation

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		995		18		5		6		9		55		192		193		198		187		103		21		7

Average Number of Days With Hail

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.9		---		---		0.1		---		0.2		0.1		0.2		---		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		443		200		30		42		82		156		362		337		443		346		374		123		67

Most Precipitation Reported in a Day

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		98.2		67.8		23.7		33.8		27.2		54.6		86.8		82.5		80.9		87		98.2		49		25.5

Average Number of Rainy Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		127.9		1.9		1.2		1.2		2		7.6		20.3		26		25.7		23.1		13.7		3.8		1.4

Average Number of Days With Thunderstorms

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.9		0.1		---		0.1		0.1		0.6		1.6		3.4		2.8		2		1		0.2		---

Heating Degree Days

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		179		56		27.4		---		---		---		---		---		---		---		---		15		44.8

Cooling Degree Days

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		327.4		---		---		26.7		81.7		108.5		57.5		18.9		18.9		10		5.2		---		---

Growing Degree Days

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3398.9		202.4		207.9		285.1		331.7		366.8		307.5		277.3		277.3		260		263.5		235		213.6

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		11.5		11.9		12.4		13		13.4		13.7		13.5		13.1		12.6		12.1		11.6		11.4

Average Number of Days With Fog

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.2		---		0.1		---		---		0.1		1.5		0.9		0.7		0.7		0.2		---		---

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.7		17.2		20.6		23.6		23.4		22.5		20.2		19.8		19.5		17.8		17.7		17.3		16.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.4		4.2		4.5		5.3		7		8		8.5		8.5		8.2		7.5		6.1		4.6		4.1

Average 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		20.8		23.4		24.7		22.6		20.8		20.1		19.7		18.5		17.9		19.1		20.4		19.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.9		23.7		26.7		27.7		23.6		20.6		16.8		16.2		16.2		15.3		18.6		22.6		22.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.7		17.2		20.6		23.6		23.4		22.5		20.2		19.8		19.5		17.8		17.7		17.3		16.2

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		5.3		5.5		6.8		7.8		8.7		8.8		8.8		8.5		7.7		6.6		5.3		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		23.4		23.9		26.9		27.7		25.7		23.1		23.4		22.1		21		20.1		23		22.7		21.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		26.1		29.5		33.3		33.7		30.1		25.6		22.2		20.2		20.9		19		25.3		26.8		26

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.9		13.7		18.4		19.8		20.8		19.6		17.2		17.8		15.8		14.3		15.3		15.2		15.2

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		3.2		3.2		4		5.7		7.2		7.8		8.1		7.6		7.1		5.1		3.8		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		17.6		15.8		20.6		20.5		20.1		18.3		17.1		17.5		15		14.2		16.3		17.5		18.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.6		15.2		21.4		19.7		18.6		15.7		12.1		12.9		10.5		9.7		13.8		17.6		20.1