PORT GENTIL, GABON

Average Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		79		81		82		82		82		80		76		75		76		78		79		79		80

Average High Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		82		83		85		85		85		83		79		77		78		80		81		82		83

Average Low Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		76		78		79		78		78		77		74		72		73		75		76		76		77

Highest Recorded Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		104		90		100		104		104		100		99		104		104		104		100		104		100

Lowest Recorded Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		61		61		68		61		66		63		65		63		66		65		61		61		61

Average Number of Days Above 86F/30C

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		83		11		18		20		17		7		---		---		---		---		1		2		5

Average Number of Days Below 75F/23C

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		168		7		5		7		6		9		24		29		29		22		12		11		9

Average Number of Days With Precipitation

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		110		10		8		11		11		8		2		2		5		11		16		17		9

Average Number of Rainy Days

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		109		10		8		11		11		7		2		2		5		11		16		17		9

Average Number of Days With Thunderstorms

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		89		12		12		16		15		8		1		---		---		1		4		10		10

Average Morning Relative Humidity

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		92		94		93		93		94		94		92		91		89		90		91		94		95

Average Evening Relative Humidity

Years on Record: 12

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

Average Dew Point

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		74		76		76		76		76		75		71		69		69		72		74		75		75

Cooling Degree Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5075.8		480.5		480.3		511.5		495		465		345		294.5		325.5		375		418.5		420		465

Growing Degree Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10554.5		945.5		904		976.5		945		930		795		759.5		790.5		825		883.5		870		930

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		12.5		12.5		12.5		12.4		12.4		12.5		12.5		12.4		12.5		12.5		12.5		12.5

Average Number of Days With Fog

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20		3		1		1		1		2		4		5		1		---		1		---		1

Average Number of Days With Smoke/Haze

Years on Record: 15

		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: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		27		3		2		2		1		2		5		6		2		1		1		1		1

Average Wind Speed

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		9		8		8		8		8		9		10		10		10		10		10		9		9

Average No. of Days With Blowing Dust/Sand

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		27		3		2		2		1		2		5		6		2		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		4.7		5		5.1		5.1		4.9		4.7		4.6		4.6		4.7		4.8		4.5		4.2		4.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.1		2.1		2.2		2.3		2.2		2		1.9		2		2.1		2.3		2.3		2.2		2.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.7		4.9		5.1		5.1		4.8		4.7		4.5		4.6		4.6		4.8		4.5		4.2		4.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		4.3		4.2		4		3.8		4		4.1		4		3.7		3.6		3.2		3.1		3.9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.7		5		5.1		5.1		4.9		4.7		4.6		4.6		4.7		4.8		4.5		4.2		4.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.2		2.2		2.3		2.4		2.2		2.1		2		2		2.1		2.3		2.3		2.2		2.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.2		5.6		5.5		5.5		5.3		5.1		5.1		5		5.2		5.2		5.2		4.6		5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.7		5.4		4.9		4.6		4.6		4.7		5.2		4.8		4.7		4.3		4.4		3.7		4.6

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.2		4.5		4.6		4.9		4.4		4		4		4.1		4.1		4.1		3.9		3.8		4.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.1		2		2.2		2.3		2.1		2		1.8		1.9		2		2.2		2.2		2.2		2.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.2		4.5		4.6		4.8		4.3		3.9		4		4.1		4		4		3.9		3.8		4.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3		3.5		3.4		3.5		3.1		2.9		3.2		3.2		2.8		2.5		2.4		2.4		3.2