SANTA MARIA CHILCHOTLA, OAXACA

Average Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.4		15.9		16.6		18.5		19.8		20.3		20		19.1		19.4		19.1		18.2		17.2		16.5

Average High Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		22.3		20.1		21.1		23.2		24		24.3		23.6		22.7		22.8		22.4		21.6		21		20.4

Average Low Temperature

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.5		11.7		12.2		13.7		15.5		16.4		16.3		15.6		15.9		15.9		14.8		13.4		12.6

Highest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37		32		35		36		36		35		33		32.5		35		37		32.5		33		33

Lowest Recorded Temperature

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		2		2		2.7		4		6		9		11		10		11.5		10		8		4		5

Average Precipitation

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		4251		108		87		80		109		218		645		877		749		642		369		201		165

Average Number of Days With Hail

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.2		---		---		---		---		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		1917		339		221		262		380		1071		1245		1917		1797		1299		805		421		447

Most Precipitation Reported in a Day

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		515.3		140		69.1		88.4		128.1		368		252		274		515.3		254.4		240		165		175.1

Average Number of Rainy Days

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		174.9		11.4		9		8		7.5		10.5		20		23.4		22.4		21.2		17		13		11.5

Average Number of Days With Thunderstorms

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14.5		---		---		---		0.2		1.1		3.1		4.2		3.3		2		0.5		0.1		---

Heating Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		262.8		74.9		47.1		---		---		---		---		---		---		---		4.3		34.2		56.8

Cooling Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		238.1		---		---		4.3		42.5		62		48.3		25.8		31		24.2		---		---		---

Growing Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3225.8		183.4		188.3		262.7		292.5		320.3		298.3		284.2		289.3		274.2		254.1		215.8		201.5

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		11.9		12.4		12.9		13.4		13.6		13.5		13.1		12.6		12.1		11.7		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		45.1		5.2		3.9		3.6		2.5		2.4		3.3		4		2.9		3.4		4.6		4.5		4.8

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		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