CIUDAD NICOL?S ROMERO, M?XICO

Average Temperature

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16		12.7		14		16.4		17.9		18.4		18.3		17.4		17.4		16.9		15.6		14.2		13

Average High Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		23.9		21.7		23.3		25.9		27.1		26.8		25.3		23.7		23.7		23		22.6		22.4		21.5

Average Low Temperature

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.1		3.7		4.7		6.8		8.8		9.9		11.3		11.1		11		10.9		8.6		6		4.5

Highest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		35		29		30		35		34.5		34.5		33		33.5		29		29		29		28.5		29.5

Lowest Recorded Temperature

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-5.5		-5.5		-4.5		-3		1		4		4		5.5		4.5		2.5		-0.5		-2.5		-5

Average Precipitation

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		711		7		6		11		25		56		126		141		142		122		58		10		6

Average Number of Days With Hail

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.4		---		---		0.1		0.2		0.2		0.1		0.3		0.2		0.2		0.1		---		---

Most Reported Precipitation in a Month

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		355		46		42		61		128		140		273		258		332		355		278		72		30

Most Precipitation Reported in a Day

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		101		36		29.3		29.5		43		75		66.2		78.9		67		101		62		30		19.5

Average Number of Rainy Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		101.2		1.5		1.9		3		5.6		10		14.4		18.7		18		15		8.3		2.9		1.9

Average Number of Days With Thunderstorms

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		---		---		0.1		0.3		0.6		0.9		1		1.2		0.6		0.3		---		---

Heating Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		978.2		173.9		122.4		62		11.7		---		1.7		28.4		30.2		41.7		84.4		124.2		165.3

Cooling Degree Days

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.2		---		---		---		---		2.2		---		---		---		---		---		---		---

Growing Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2272.1		84.4		113		196.3		238.3		258.3		248.3		229.9		228.2		208.3		173.9		125.8		93

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		11.6		11.4

Average Number of Days With Fog

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		18.5		1.3		0.8		0.4		0.4		0.6		1		1.9		2		2.2		3		2.4		2.5

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.6		15		18		21.1		22.1		22.5		20.6		20.1		19.9		17.1		16.3		15.7		14.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.7		4.8		5.4		6.2		7.4		8		8.5		8.5		8.1		7.5		6.3		4.9		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		19.3		18		20.3		22		21.4		20.8		20.6		19.9		18.9		17.2		17.6		18.5		16.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.7		18.9		21.2		22.7		21.4		20.8		17.4		16.6		17		14.3		16.2		19.3		18.9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.6		15		18		21.1		22.1		22.5		20.6		20.1		19.9		17.1		16.3		15.7		14.4

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		6.2		7.2		8.1		8.8		8.9		8.8		8.5		7.7		6.7		5.4		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		22.1		20.7		23.8		24.1		24.1		23.4		24		23.4		21		19.2		20.7		21.1		19.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.6		23.7		27.4		26.4		26.6		26.5		23.4		22.6		21		17.6		21.2		23.9		23.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		11.1		14.6		17.3		19.1		19.1		17.8		17		16.8		11.5		12.8		13.6		12.4

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		4.1		4.3		5.5		6.4		7.1		7.7		7.8		7.6		7.3		5.7		4.2		3.9

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.6		12.5		16.1		17.8		18.5		17.8		17.6		16.7		15.9		11.4		13.5		15.7		14.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.7		10.4		14		15.3		15.9		14.8		12.8		11.7		11.9		6.3		9.9		14.7		14.1