SANTIAGO NACALTEPEC, OAXACA

Average Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.8		14		14.9		18		19.8		20.2		18.5		17.2		17.3		17.1		16.1		14.9		13.9

Average High Temperature

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		23.7		21.6		22.7		26.8		28.3		28.1		24.6		22.7		23		22.5		22.2		21.6		20.6

Average Low Temperature

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.9		6.3		7.1		9.2		11.3		12.3		12.5		11.7		11.6		11.8		10		8.2		7.2

Highest Recorded Temperature

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		45		36		37.5		42.2		43.5		45		42		39		39		38		37		36		33.5

Lowest Recorded Temperature

Years on Record: 27

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

Average Precipitation

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		605		5		5		6		12		51		128		108		102		118		50		16		7

Average Number of Days With Hail

Years on Record: 38

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

Most Reported Precipitation in a Month

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		302		21		39		24		79		176		267		302		226		297		163		42		48

Most Precipitation Reported in a Day

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		115.5		12.5		20.6		21.8		21.7		48.8		54		60.3		73		75.5		115.5		25.5		14.5

Average Number of Rainy Days

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		77.8		1.3		1.4		1.2		2.7		6.2		12.9		12.7		12.9		12.4		7.6		4.5		2

Average Number of Days With Thunderstorms

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.8		0.1		---		0.1		0.8		0.5		0.7		0.4		0.4		0.5		0.4		0.6		0.3

Heating Degree Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		762.9		136.1		96.5		10.3		---		---		---		34.4		31.9		35.8		68.9		102.5		136.9

Cooling Degree Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		107.7		---		---		---		43.3		57.7		6.7		---		---		---		---		---		---

Growing Degree Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2595.4		122.3		138.9		248		293.3		316.1		256.7		223.9		226.5		214.2		189.4		147.5		121.4

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		13.4		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		55.8		3.7		2.7		0.9		1.5		1.9		5.8		7.8		7		8.5		5.6		4.1		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		17.7		14.4		16.5		19.3		21		21		19.3		19.5		19.2		17		16.1		15.2		14.1

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		5.3		6.1		7		7.8		8.3		8.5		8.4		8.2		7.7		6.6		5.4		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		18.4		16.6		18.1		19.8		20.3		20.4		19.4		19.4		18.2		17		17.2		17.2		16.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.6		16.4		17.1		18.6		19		18.1		15.5		15.9		15.7		13.8		15.2		17		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		17.7		14.4		16.5		19.3		21		21		19.3		19.5		19.2		17		16.1		15.2		14.1

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		5.7		6.5		7.5		8.3		8.8		8.8		8.7		8.5		7.8		6.8		5.9		5.4

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.3		20.4		21.4		23		22.6		23.6		22.3		22.1		21		20.1		19.4		21.1		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		21.7		22.9		22.8		24.1		23.4		24.2		20.3		20.1		20.8		18.9		18.7		23.6		21.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.5		11.3		13.8		16.2		17.6		17.6		16.9		14.8		15.3		13.7		13.5		12.3		11.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.4		4.5		5.4		6.2		7.1		7.4		8		8		7.6		7.2		6.2		4.5		4.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.8		12.5		14.7		16.5		17		17		16.9		14.7		14.6		13.6		14.1		13.6		13

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.1		10.1		11.8		13.1		13.3		12.6		11.8		8.9		9.8		8.8		10.6		11.2		11.3