IXTAPAN DE LA SAL, MEXICO

Average Temperature

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		19		16.5		17.5		19.1		20.9		21.9		20.7		19.5		19.5		19.3		18.5		17.7		16.9

Average High Temperature

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		26.7		25.4		26.4		28.3		29.8		30.3		27.3		25.7		25.7		25.4		25.7		25.7		25.1

Average Low Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.2		7.7		8.6		9.8		12		13.5		14		13.3		13.2		13.3		11.3		9.6		8.6

Highest Recorded Temperature

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		35		30		32		33.5		35		35		34		29		32		28		29		31.5		29

Lowest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.5		0.5		1		4		7		6		9		8		9		8		6		4.5		1

Average Precipitation

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		913		15		15		5		19		69		186		186		171		168		55		14		9

Average Number of Days With Hail

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.6		---		0.3		---		---		0.2		---		0.1		---		---		---		---		---

Most Reported Precipitation in a Month

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		369		138		63		23		50		143		369		300		278		244		134		43		52

Most Precipitation Reported in a Day

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		102		47		27.5		23		24.5		54		102		58.5		58		78		71		27.2		51.9

Average Number of Rainy Days

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		98.3		1.2		2.4		0.9		3.5		8.6		16.5		19		18.8		18.1		6.2		2.1		1

Average Number of Days With Thunderstorms

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13.3		---		0.4		0.6		1.7		1.8		2.2		1.8		1.2		2		0.8		0.5		0.3

Heating Degree Days

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		180.9		55.1		23.6		---		---		---		---		---		---		---		---		20		45.7

Cooling Degree Days

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		384.4		---		---		21.6		76.7		110.2		69.2		36.2		35.3		30		5.2		---		---

Growing Degree Days

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3454.1		203.2		211.9		279.9		326.7		368.6		319.2		294.5		293.7		280		263.5		230		212.7

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		11.5		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: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		0.8		0.1		---		0.2		0.9		1.9		1		0.7		1.3		0.4		0.2		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		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