MEXICO CITY - SAN BERNAB?, MEXICO CITY

Average Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17.1		13.7		15.3		17.8		19.2		19.6		19.3		18.2		18.2		17.8		16.9		15.4		14.2

Average High Temperature

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24.8		22.5		24.5		27		27.9		27.5		25.8		24.5		24.6		23.9		23.8		23.5		22.3

Average Low Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.5		4.9		6.1		8.6		10.5		11.7		12.7		11.9		11.9		11.8		10		7.4		6

Highest Recorded Temperature

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		36		32		34		34		36		34.5		33.5		29		29.5		30		31.5		32		30

Lowest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-6		-6		-4		---		2.5		2.5		7.5		7.5		7		5		1		-2		-2.5

Average Precipitation

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		760		11		6		12		30		61		141		152		153		121		57		9		7

Average Number of Days With Hail

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3.7		---		0.1		0.2		0.2		0.4		0.5		0.8		0.9		0.4		0.2		---		---

Most Reported Precipitation in a Month

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		351		103		31		57		106		164		351		324		306		267		204		70		43

Most Precipitation Reported in a Day

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		70.6		34.4		21.7		30.3		46.2		56		57.8		51.2		70.6		60.5		51.8		23.4		21.8

Average Number of Rainy Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		121		2.2		2.6		3.7		7.7		12.8		17.6		21.9		20.8		16.5		9.3		3.5		2.4

Average Number of Days With Thunderstorms

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17		0.3		0.2		0.3		0.6		2		2.7		3.3		3.6		2.4		1.2		0.2		0.2

Heating Degree Days

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		633.3		143.8		85.6		16.4		---		---		---		4.3		2.6		15		44.8		86.7		130.1

Cooling Degree Days

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		92.9		---		---		---		25.8		39.6		27.5		---		---		---		---		---		---

Growing Degree Days

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2710.5		114.6		149.9		242		275.8		297.9		277.5		254.1		255.8		235		213.6		163.3		128.3

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		13.5		13.7		13.6		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		37.2		2.7		2		1.5		2.3		3.5		3.9		5.1		4.8		4.3		3		2		2.1

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.4		17		19.8		22.3		22.4		22.2		20.3		20.4		20.1		17.8		17.8		17.2		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		6.5		4.3		4.9		5.9		7.4		8.1		8.5		8.4		8.1		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		20.4		20.5		22.4		23.3		21.6		20.6		20.3		20.3		19		17.9		19.3		20.3		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		20.4		23.1		24.7		24.9		21.6		20.1		17		17.1		17.1		15.2		18.7		22.4		22.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.4		17		19.8		22.3		22.4		22.2		20.3		20.4		20.1		17.8		17.8		17.2		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		7.1		5.3		5.5		6.9		8		8.7		8.8		8.8		8.5		7.7		6.7		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		22.9		22.8		25.4		25.9		23.9		22.9		23.1		22.4		21.1		19.9		22.8		22.9		21.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.9		27.4		30.5		29.9		26.2		25.1		21.6		20.7		21.1		18.6		25		27.1		26.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17		14		18.2		19.4		20		19.4		18.5		17.9		16.9		14.8		14.5		15.3		15

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		3.6		3.8		4.9		6.5		7.3		7.9		8		7.6		7.2		5.2		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		17.7		16.3		20.3		20.1		19.4		18.2		18.4		17.6		16		14.7		15.4		17.6		18.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.7		15.9		20.9		19		17.3		15.4		14		13		12		10.4		12.5		17.8		19.7