SAN MATEO ETLATONGO, OAXACA

Average Temperature

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.5		13.3		14.6		16.5		17.9		18.7		18.4		17.6		17.9		17.4		16.4		15.3		14.4

Average High Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		23.9		22.2		23.7		25.6		26.6		26.3		24.1		23.3		23.7		22.9		22.7		22.7		22.4

Average Low Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.2		4.5		5.5		7.4		9.3		11.1		12.7		11.9		12		12		10.2		7.8		6.4

Highest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		39		32		33		33		39		36		33		35		34		34		30		35		32

Lowest Recorded Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-6		-6		-4		0.3		2		2		3		1		4		4		-2		---		-5

Average Precipitation

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		656		3		8		13		34		56		144		100		119		112		48		13		4

Average Number of Days With Hail

Years on Record: 32

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

Most Reported Precipitation in a Month

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		389		32		47		94		118		146		389		179		306		221		224		91		31

Most Precipitation Reported in a Day

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		110		21		29		40		42.8		35		81		110		62		102.5		88.5		52		24

Average Number of Rainy Days

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		65.4		0.5		1.3		1.9		4.4		7.4		11.9		9.8		9.6		10.4		5.5		1.8		0.9

Average Number of Days With Thunderstorms

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.2		---		---		0.3		0.7		0.6		0.6		0.6		0.4		0.6		0.4		---		---

Heating Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		762.9		154.2		105.2		56.8		11.7		---		---		23.3		14.7		26.7		57.7		92.5		122.3

Cooling Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13.7		---		---		---		---		11.2		2.5		---		---		---		---		---		---

Growing Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2501.6		104.2		130.3		201.5		238.3		269.6		252.5		235.1		243.7		223.3		200.7		157.5		136.1

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		11.6		12		12.4		12.9		13.3		13.6		13.4		13.1		12.6		12.1		11.7		11.5

Average Number of Days With Fog

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20.3		4.2		2.3		1.7		0.5		2.1		2.1		1.6		0.8		1.3		1		1.3		1.4

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.9		16.9		19.1		22		23		21.9		19.2		19.2		19		16.9		17		16.7		16.3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.8		4.8		5.5		6.3		7.2		8.1		8.5		8.4		8.3		7.7		6.5		5.2		4.5

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.7		19.7		21		22.7		22.2		21.2		19.3		19.2		18		16.9		18		19		19.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.9		21.5		22		23.5		22.5		19.7		15.4		15.5		15.3		13.5		16.4		19.8		21.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.9		16.9		19.1		22		23		21.9		19.2		19.2		19		16.9		17		16.7		16.3

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.2		5.4		6.5		7.1		8		8.5		8.7		8.6		8.5		7.8		6.9		5.7		5.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.4		22.5		23.4		25.3		25		24		22.3		22.1		20.8		19.7		20.8		21.5		21.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.7		26.6		26.5		28.7		28.2		24.9		20.3		20.2		20.3		18.1		21.1		24.3		24.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.3		15.1		15		19.6		20.4		19.7		16.9		15.7		15.1		13.9		14.6		14.9		14.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.1		4		4.8		5.3		6.2		7.2		8		7.9		7.7		7.3		6		4.5		4

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.8		17.3		16.1		20.1		19.8		19.1		16.9		15.6		14.4		13.8		15.3		16.7		16.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14		17.3		13.6		18.8		17.9		16		11.8		10.2		9.5		9		12.1		15.8		16.5