BILMA, NIGER

Average Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		80		63		69		76		85		92		93		93		92		89		82		72		65

Average High Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		93		75		81		89		99		105		105		104		103		102		96		86		77

Average Low Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		67		50		56		63		71		79		79		81		81		76		67		58		52

Highest Recorded Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		115		95		100		112		115		113		115		113		109		108		106		100		93

Lowest Recorded Temperature

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		32		32		32		33		50		59		61		68		66		60		50		40		32

Average Number of Days Above 95F/35C

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		203		---		1		9		23		30		29		30		29		28		23		2		---

Average Number of Days Above 86F/30C

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		267		3		9		22		29		31		29		30		31		30		30		19		5

Average Number of Days Below 75F/23C

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		241		31		27		28		21		11		11		6		5		15		27		29		31

Average Number of Days Below 65F/18C

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		149		29		24		19		9		1		---		---		---		1		13		25		29

Average Number of Days With Precipitation

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6		1		---		---		---		---		1		1		1		1		1		---		---

Average Number of Rainy Days

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6		1		---		---		---		---		1		1		1		1		1		---		---

Average Number of Days With Thunderstorms

Years on Record: 13

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

Average Morning Relative Humidity

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		37		45		37		30		27		27		30		40		44		36		36		42		45

Average Evening Relative Humidity

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		16		18		15		13		11		11		12		17		19		16		16		17		20

Average Dew Point

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		39		29		29		31		34		41		44		51		53		47		41		36		32

Heating Degree Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		93		77.5		---		---		---		---		---		---		---		---		---		---		15.5

Cooling Degree Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5817.9		---		98.9		341		600		837		810		852.5		837		720		511.5		210		---

Growing Degree Days

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10360.1		387.5		522.6		806		1050		1116		1080		1116		1116		1080		976.5		660		449.5

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		11.5		11.9		12.4		13		13.4		13.6		13.5		13.1		12.6		12.1		11.6		11.4

Average Number of Days With Smoke/Haze

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		162		12		13		17		16		15		17		18		14		10		10		9		11

Average No. of Days With Vision Obstruction

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		216		18		18		23		20		20		20		22		19		15		13		13		15

Average Wind Speed

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		12		17		17		17		11		10		11		9		10		10		10		10		14

Average No. of Days With Blowing Dust/Sand

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		216		18		18		23		20		20		20		22		19		15		13		13		15

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.6		5		6.2		6.8		7.5		7.9		7.8		7.5		7.2		7		6.5		5.5		4.7

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		1.1		1.1		1.3		1.6		1.6		1.7		1.8		1.7		1.4		1.1		1		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		7		6.1		7.1		7.2		7.2		7.2		7.9		7.5		6.8		7.1		7.2		6.6		5.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		8.2		7.1		8.4		8.3		8.5		9		8.8		8.3		7.8		8.3		8.7		8		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		6.6		5		6.2		6.8		7.5		7.9		7.8		7.5		7.2		7		6.5		5.5		4.7

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		1.4		1.3		1.8		1.8		2		1.9		1.9		2		1.7		1.3		1.2		1.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7.5		7		7.9		8		7.6		7.5		8.2		7.9		7.4		7.5		7.7		7.1		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		9.3		8.9		10.1		10.1		9.3		9.7		9.5		8.9		9.2		9.1		9.6		8.9		8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6		4.1		5.6		5.8		6.9		7		7.3		7.2		6.7		6.3		6		5		4.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.1		0.8		0.7		0.9		1.4		1.4		1.5		1.6		1.4		1.2		0.9		0.8		0.9

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.3		4.7		6.4		6		6.7		6.4		7.3		7.2		6.3		6.4		6.7		5.9		5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.7		4.8		7.2		6		7.3		7.1		7.7		7.5		6.7		6.8		7.6		6.6		5.4