SILTEPEC, CHIAPAS

Average Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.9		18.2		18.8		19.7		20.6		20.2		19		18.7		18.8		18.4		18		18.3		17.9

Average High Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24.8		24.1		25.1		26.6		27.6		26.6		24.6		24.2		24.2		23.7		23.2		23.8		23.5

Average Low Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13		12.3		12.5		12.9		13.7		13.9		13.4		13.2		13.3		13.2		12.7		12.8		12.2

Highest Recorded Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		39		30		30		34		39		36		30		34		29		28		28		29		30

Lowest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.3		5		8		7		0.3		10		10		0.9		10		0.9		9		8		8

Average Precipitation

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1738		65		26		25		40		171		262		209		255		314		219		93		60

Average Number of Days With Hail

Years on Record: 60

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

Most Reported Precipitation in a Month

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		684		135		69		87		123		560		483		530		522		684		469		211		126

Most Precipitation Reported in a Day

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		77		33.5		34		28		28		77		52		48		75		47		60.8		58		42

Average Number of Rainy Days

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		135.6		6.6		3.3		3		4.5		10.1		19.2		15.8		18.3		20.9		17.6		9.3		7

Average Number of Days With Thunderstorms

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.4		0.1		---		---		0.1		0.2		0.3		0.5		0.1		0.1		---		---		---

Heating Degree Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		43.6		4.3		---		---		---		---		---		---		---		---		11.2		1.7		14.7

Cooling Degree Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		235.8		---		13.3		43.9		70		59.4		20		12.1		12.9		4.2		---		---		---

Growing Degree Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3443.1		254.1		248.8		302.3		320		317.8		270		270.4		271.3		254.2		247.2		248.3		243.7

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		11.7		12		12.4		12.9		13.2		13.4		13.3		13		12.6		12.1		11.8		11.6

Average Number of Days With Fog

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3		0.1		0.1		---		0.4		0.4		0.5		0.2		0.1		0.3		---		0.1		0.8

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.3		15.2		18		20.8		21.9		20.6		19.3		20.3		20.2		17.8		16.2		15.3		14.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7		5.5		6		6.7		7.6		8.2		8.4		8.2		8.1		7.7		6.8		5.8		5.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.9		17.2		19.4		21.4		21.2		20.1		19.4		20.1		19.2		17.7		17		17		16.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.3		17.1		19.1		21		20.5		17.6		15.7		17.4		17.2		14.7		14.6		16.3		16.9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.3		15.2		18		20.8		21.9		20.6		19.3		20.3		20.2		17.8		16.2		15.3		14.6

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		5.9		6.7		7.4		8.2		8.6		8.6		8.5		8.5		7.9		7		6.1		5.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.5		19.4		23.5		24.7		23.8		23.3		21.6		21.8		21.2		20.4		19.3		19.4		19.3

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		20.9		26.6		27.4		25.7		23.5		19.2		20.7		21.1		19.2		18.3		20.3		21.3

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		11.6		15.3		18.5		19.1		17.8		17.1		18.1		17.5		15.1		13.1		11.9		12.9

Minimum 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		5		4.9		5.6		6.7		7.4		8		7.8		7.6		7.2		6.4		5.3		4.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.9		12.6		16.3		18.9		18.5		17.3		17.2		17.9		16.7		15		13.5		12.8		14.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.6		9.9		13.8		16.6		15.5		13		12.3		13.7		12.8		10.6		9.5		9.9		13.2