ST.-DENIS, REUNION

Average Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		76		80		80		80		78		76		73		71		71		72		74		76		79

Average High Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		81		85		84		84		83		80		78		76		76		77		79		81		83

Average Low Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		71		75		75		75		73		70		68		66		66		66		69		71		74

Highest Recorded Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		95		95		91		93		90		88		86		84		90		91		91		91		91

Lowest Recorded Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		57		68		69		68		61		63		60		57		57		57		59		61		66

Average Number of Days Above 90F/32C

Years on Record: 22

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

Average Number of Days Above 80F/26C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		211		30		27		30		27		21		6		1		2		4		12		23		29

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		71.3		12.6		13.8		7.1		8.7		4.3		3.9		2.8		2.4		2.4		2.4		3.1		7.9

Average Number of Days With Precipitation

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		168		17		16		17		15		13		14		14		14		11		11		11		15

Average Number of Rainy Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		168		17		16		17		15		13		14		14		14		11		11		11		15

Average Number of Days With Thunderstorms

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9		2		2		2		1		1		---		---		---		---		---		---		1

Average Relative Humidity

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		74.2		80		80		80		75		75		70		70		70		70		70		75		75

Average Morning Relative Humidity

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		76		78		81		80		80		76		75		74		74		73		73		71		74

Average Evening Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		69		73		74		73		72		70		67		66		65		65		67		68		71

Average Dew Point

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		66		72		72		71		70		66		62		60		60		61		64		66		69

Cooling Degree Days

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3858.6		465		409.6		449.5		390		310		240		186		186		195		279		330		418.5

Growing Degree Days

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9337.4		930		833.4		914.5		840		775		690		651		651		645		744		780		883.5

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		13.6		13.2		12.6		12		11.5		11.3		11.4		11.8		12.4		13		13.5		13.8

Average Number of Days With Fog

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3		---		---		---		---		---		1		---		1		---		---		1		---

Average No. of Days With Vision Obstruction

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10		1		1		---		1		1		1		1		1		1		---		1		1

Average Wind Speed

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		13		14		13		13		13		11		11		11		14		16		16		14		13

Average No. of Days With Blowing Dust/Sand

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10		1		1		---		1		1		1		1		1		1		---		1		1

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.9		6.9		6.4		6.1		5.3		4.5		4.3		4.4		5.2		6.2		7.1		7.6		7.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		2.3		2.2		1.8		1.4		1.2		1		1		1.2		1.5		1.7		2		2.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.2		6.3		6		6.2		5.9		5.5		5.2		5.4		6		6.6		6.9		6.9		7.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.8		6.6		6		6.4		6.3		6.1		6.4		6.4		6.7		7.3		7.9		8.1		7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.9		6.9		6.4		6.1		5.3		4.5		4.3		4.4		5.2		6.2		7.1		7.6		7.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.8		2.5		2.4		2.1		1.7		1.4		1.1		1.2		1.3		1.6		2.1		2.2		2.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.9		7		7.3		6.9		7		6.2		5.6		5.8		6.5		7.2		7.3		7.4		8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		8.1		8.3		8.6		7.7		8.4		7.5		7		7.1		7.7		8.5		8.8		9.1		8.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.2		6.2		4.5		5.3		4.7		3.9		3.8		4.1		4.9		5.9		6.1		7		5.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		2		1.7		1.6		1.1		0.9		0.9		0.9		1		1.2		1.5		1.7		1.9

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.3		5.7		4.3		5.3		5.1		4.6		4.6		5		5.7		6.3		5.9		6.4		5.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.2		5.3		3		4.8		4.9		4.6		5.2		5.6		6.2		6.7		5.9		6.9		3.7