ROMAN ARREOLA, DURANGO

Average Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.8		7.9		10		12.3		15.9		19.3		20.8		19.7		19.1		17.1		15		11.5		8.9

Average High Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24.4		18		20.1		22.8		26.2		29.8		30.7		27.8		27.3		25.6		24.4		21.4		18.6

Average Low Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5.2		-2		-0.1		1.8		5.5		8.7		10.9		11.7		10.9		8.6		5.5		1.7		-0.8

Highest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		41		31		39		35		38		41		40		40		38		37		37		33		33

Lowest Recorded Temperature

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-19		-15		-15		-13		-8		-4		---		3		---		-2		-12		-11		-19

Average Precipitation

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		477		13		3		6		6		13		74		94		129		86		28		10		14

Average Number of Days With Hail

Years on Record: 17

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

Most Reported Precipitation in a Month

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		384		96		18		108		49		71		216		300		384		265		119		61		75

Most Precipitation Reported in a Day

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		101		30		18		52		35		35		54.5		40		80		101		53		42		49

Average Number of Rainy Days

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		51.1		2.1		0.8		0.8		1		2.3		6		11		11.8		8.4		3.5		1.5		1.9

Average Number of Days With Thunderstorms

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4		0.1		---		---		0.3		0.2		0.7		0.9		0.7		0.7		0.3		0.1		---

Heating Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1688.2		320.3		235.4		187.7		74.2		---		---		---		---		36.7		105.1		203.3		291.9

Cooling Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		169.8		---		---		---		---		28.4		74.2		43.9		23.3		---		---		---		---

Growing Degree Days

Years on Record: 60

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1854.6		---		---		70.6		175.8		286.8		324.2		302.3		281.6		213.3		153.3		46.7		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		11.1		11.7		12.4		13.2		13.9		14.2		14		13.4		12.7		11.9		11.3		11

Average Number of Days With Fog

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.7		0.5		0.1		0.2		---		0.1		---		---		---		0.6		0.7		0.1		0.4

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.2		14.6		17.9		22.5		24.4		25.8		24.9		23.1		21.6		19.4		18.5		15.9		13.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		3.5		4.2		4.7		6.2		7		7.8		8.1		7.6		6.6		4.7		3.5		3.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.4		19		22		24.8		23.9		23.5		22		20.8		20.5		20.1		21.7		20.3		18.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.9		22.6		24.7		28.6		27.1		27.2		24.7		21.7		20.4		19.8		23.8		24.6		22

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.2		14.6		17.9		22.5		24.4		25.8		24.9		23.1		21.6		19.4		18.5		15.9		13.6

Maximum 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		4.6		5		5.6		7.2		7.9		8.5		8.7		7.9		7		5.5		4.2		4.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.1		22.8		25.5		28.1		27.9		25.2		23.5		22.5		22.3		22.1		25.6		22.1		21.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		29.2		29.5		31		35.1		35.8		31.4		28.4		25.4		24		23.5		30.8		27.9		27.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.9		11		15.7		20.6		21.7		23.5		22.7		20.3		20.1		17.7		16.1		14.1		10.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.6		2.5		3.1		3.3		4.2		6.2		7.1		7.5		7		6		3.4		2.9		2.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.6		13.3		18.7		22.5		21.2		21.5		20.2		18.5		19.1		18.1		18.5		17.5		13.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.6		13		19.1		24.1		21.5		22.6		20.6		16.7		17.8		16.5		18.3		19.5		14.2