ROBINS AIR FORCE BASE, GEORGIA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17.8		7.6		9.6		13.6		17.4		21.9		25.7		27.4		26.9		23.5		18.4		13.3		8.6

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24.4		14.1		16.3		20.8		24.7		28.9		31.8		33.6		32.8		29.4		25.1		20.1		15

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.3		1.2		2.8		6.3		10.1		14.8		19.5		21.2		21.1		17.6		11.7		6.5		2.2

Average Number of Days Above 100F/38C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3.4		---		---		---		---		---		0.2		1.5		1.5		0.2		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		64.8		---		---		0.1		0.6		5.3		13.5		22.2		17.7		5.1		0.4		---		---

Average Number of Days Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		168.4		0.1		0.2		4		11		24.2		28.6		30.6		30.2		24.8		12.4		2		0.3

Average Number of Days Above 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		244.4		3.3		5.3		16.1		24.5		30.3		29.8		31		31		29.7		26.5		12.7		4.3

Average Number of Days Above 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		306.1		13.6		15.6		25.8		28.9		30.9		30		31		31		30		30.5		24.7		14.1

Average Number of Days Above 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		346.3		22.8		24.2		30.2		29.9		31		30		31		31		30		31		29.5		25.7

Average Number of Days Above 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		362.4		29.4		27.8		31		30		31		30		31		31		30		31		30		30.3

Average Number of Days Below 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		321		31		28		31		30		30.1		22.8		14.1		15.3		26.9		30.8		30		31

Average Number of Days Below 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		225.1		31		27.9		30.3		27.3		16.4		1.8		0.3		0.5		7.1		23.1		28.7		30.8

Average Number of Days Below 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		160.2		28.3		26		24.3		14.4		4.3		---		---		---		1.2		11.1		22.2		28.3

Average Number of Days Below 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		91.5		22.1		18.5		10.9		2.9		---		---		---		---		---		2.7		11.4		23.1

Average Number of Days Below 32F/0C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		39.5		14.3		8.4		2.2		0.5		---		---		---		---		---		0.4		2.5		11.3

Average Number of Days Below 20F/-6C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3.8		2.7		0.2		---		0.1		---		---		---		---		---		---		0.1		0.8

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1221.7		116.8		111.8		121.9		81.3		71.1		114.3		132.1		109.2		104.1		76.2		91.4		99.1

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2378		597		444		283		113		19		---		---		---		5		83		286		546

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2067		1		2		15		62		217		395		507		479		284		88		15		3

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5688		65		81		227		404		663		844		972		944		729		472		211		76

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.7		11.5		12.4		13.4		14.3		14.7		14.5		13.7		12.7		11.8		10.9		10.5

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.7		9.4		11.7		15.8		19.6		21.3		20.7		20.8		18.9		16.3		14.3		10.6		8.8

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.1		3.6		4.7		5.9		7.2		8.2		8.9		8.6		7.8		6.5		4.7		3.7		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		16.9		13.1		14.8		17.8		19.5		19.5		18.3		18.7		18.1		17.3		17.8		14.5		12.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.6		13.6		14.1		17.1		19.3		19.4		17.5		18.1		16.9		16.2		18.1		15.3		13.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.7		9.4		11.7		15.8		19.6		21.3		20.7		20.8		18.9		16.3		14.3		10.6		8.8

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		3.8		4.9		6.3		7.7		8.8		9.1		8.9		8.1		6.8		5.3		4.1		3.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.1		16.1		19.2		21.1		22.4		21.6		20.8		21.6		20.8		20		23.4		18.1		15.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.2		18.1		20.7		22.5		24.9		23.8		22.9		24.6		22		20.6		27.3		21		17.6

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.7		7.2		9.1		13.5		16.2		16.6		17.4		17.3		16.2		13.8		11.2		7.2		7.3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		3.3		4.1		5.3		6.4		7.7		8.3		7.7		7.2		6		3.5		3.2		3

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.3		9.3		10.7		14.7		16		15.3		15.6		15.7		15.6		14.4		13.2		8.8		10.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.9		8.1		8.5		12.4		13.1		11.7		12.1		12.4		12.5		11.6		11.3		7.2		9.6