ATLANTA, GEORGIA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17		6.3		8.4		12.4		16.7		21.2		25.2		26.8		26.3		23.1		17.4		12.2		7.4

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		22.2		11.3		13.7		18.1		22.5		26.6		30.2		31.7		31.2		27.9		22.6		17.6		12.2

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.8		1.3		3.2		6.7		10.8		15.7		20.1		21.8		21.5		18.2		12.2		6.9		2.5

Highest Recorded Temperature

Years on Record: 64

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		40.6		26.1		26.7		31.7		33.9		35		41.1		40.6		40		36.7		35		28.9		26.1

Lowest Recorded Temperature

Years on Record: 64

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-22.2		-22.2		-15		-12.2		-3.3		2.8		7.8		11.7		12.8		2.2		-2.2		-16.1		-17.8

Average Heat Index Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17.1		6.2		8.4		12.4		16.8		21.3		25.3		27.2		26.7		23		17.2		12		7.4

Average Wind Chill Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16		3.6		6.4		11.2		16.4		21.1		24.9		26.3		25.8		22.7		16.9		11		5.2

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		0.4		---		---		---		---		---		---		0.1		0.3		---		---		---		---

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		35.7		---		---		---		0.1		1.1		8.6		13		10.6		2.4		---		---		---

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		135.4		---		---		1.3		6.5		16.7		26		29.8		29.4		19.9		5.2		0.4		---

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		212.6		0.8		2.6		10.6		19.4		28.5		29.6		31		30.9		28.6		20.6		8.2		1.8

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		279		8.1		11.7		20.9		27.4		30.9		30		31		31		29.9		29.3		19.6		9.1

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		328.1		18.3		20.2		28.3		29.7		31		30		31		31		30		30.8		27.9		20

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		356.7		27		26.6		30.7		30		31		30		31		31		30		31		29.9		28.5

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		304		31		28		31		30		29.8		18.8		8.6		11.3		23.6		30.9		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		217.1		30.9		27.9		29.9		25.1		13.5		2		---		0.3		5.9		22.6		28.4		30.6

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		151.6		29		25.1		22.5		12.1		2.8		---		---		---		0.6		10.1		21.3		28.1

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		84.3		22.2		17		10.3		2.9		---		---		---		---		---		1.6		10.1		20.2

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		36.3		12.8		7.5		2.9		0.3		---		---		---		---		---		---		2.5		10.3

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		4.6		2.4		0.8		0.2		---		---		---		---		---		---		---		---		1.3

Average Number of Days Below 10F/-12C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.6		0.3		0.1		---		---		---		---		---		---		---		---		---		0.3

Average Number of Days Below 0F/-17C

Years on Record: 30

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

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1262.4		106.7		119.4		121.9		86.4		94		101.6		134.6		99.1		114.3		86.4		104.1		99.1

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		113.3		10.9		9.8		9.7		8.6		9.3		9.9		11.7		9.7		7.5		6.9		8.8		10.5

Avg. No. of Days w/Precip. Above 0.1in/2.5mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		75.4		7.3		6.7		6.4		6		6.2		6.6		7.9		6.4		5.1		4.4		6.1		6.3

Avg. No. of Days w/Precip. Above 0.5in/13mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33		2.8		3.2		3.1		2.3		2.7		2.7		3.3		2.6		2.7		2.1		2.7		2.8

Avg. No. of Days w/Rain Above 1in/25mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14.6		1.1		1.4		1.6		0.8		0.8		1		1.6		1.3		1.4		1.1		1.4		1.1

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		2.5		1.4		1.4		1.6		1.9		2.7		3.6		4.2		4		3.3		2.3		1.8		1.5

Average Number of Rainy Days

Years on Record: 59

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		115		11		10		11		9		9		10		12		10		8		6		8		10

Average Number of Days With Thunderstorms

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		47		1		2		3		4		6		8		10		7		3		1		1		1

Most Rain Reported in a Month

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1800		250		320		290		300		210		250		440		220		290		270		390		250

Least Recorded Rainfall

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		800		20		20		40		10		10		---		10		10		---		---		20		10

Average Snowfall

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		7.4		3.3		1		2		---		---		---		---		---		---		---		---		1

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.1		0.8		0.6		0.3		---		---		---		---		---		---		---		---		0.4

Avg. No. of Days w/Snow Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1		0.5		0.1		0.2		---		---		---		---		---		---		---		---		0.2

Avg. No. of Days w/Snow Above 3in/7.5cm

Years on Record: 30

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

Avg. # of Days w/Snow Depth Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.2		0.6		0.1		0.2		---		---		---		---		---		---		---		---		0.3

Avg. # of Days w/Snow Depth Above 3in/7.5cm

Years on Record: 30

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

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		67.4		66.2		64.1		61.1		62.2		67		69.7		71.6		72		70.1		69.6		67.8		68

Average Morning Relative Humidity

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		82		79		77		78		78		82		84		88		89		88		84		81		80

Average Evening Relative Humidity

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		52		56		50		48		45		49		53		57		56		56		51		52		56

Average Dew Point

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.9		-0.4		1.1		3.9		8.2		13.8		17.9		20.1		19.9		16.5		10.8		5.4		1.4

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2767		673		501		342		143		26		2		---		---		11		118		339		613

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1882		---		1		12		53		184		371		471		447		266		67		10		1

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5319		42		67		194		369		623		819		936		911		705		418		176		58

Average Sea Level Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		1018		1020.6		1019.3		1017.5		1016.3		1016.1		1015.9		1016.8		1016.7		1017.3		1018.9		1020.2		1020.9

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		11.4		12.4		13.5		14.4		14.8		14.6		13.8		12.8		11.7		10.8		10.4

Average Number of Days With Fog

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		148		14		11		11		9		11		11		14		16		14		12		12		13

Average Number of Clear Days

Years on Record: 59

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		110		8		8		9		10		9		8		6		8		10		14		12		9

Average Possibility of Sunshine

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		61		49		54		58		66		68		67		63		64		63		67		58		50

Average Number of Cloudy Days

Years on Record: 59

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		148		16		14		15		12		11		10		12		10		10		10		12		16

Average Number of Partly Cloudy Days

Years on Record: 59

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		106		7		6		7		8		11		12		13		13		10		7		6		6

Average Percent Chance - Clear Skies

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		22.3		22.8		21.9		23.4		25		19.7		15.8		13		15.6		25.2		32.5		30.2		23.2

Average Percent Chance - Scattered Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		12.5		8.5		8.6		10		11.2		14.7		17.1		20		18.7		14.3		9.5		8.7		8.2

Average Percent Chance - Few Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		14.5		11.8		11.5		14		14.8		16.5		17.6		16.4		16.2		17.1		13.5		13.1		11.9

Average Percent Chance - Broken Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		21.5		16.5		17.9		18.7		21.4		25.2		27.2		30.2		28.4		20.7		17.4		16.6		17.4

Average Percent Chance - Overcast Skies

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		29.2		40.5		40.2		33.8		27.6		24		22.3		20.4		21.1		22.7		27.2		31.3		39.4

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		53.2		59.1		57.5		55.2		51.2		52.5		56.1		54		52.9		49.1		45.6		48.1		56.8

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		47.6		54.7		51.6		49.4		44.3		45.8		49.6		47.1		46.6		44.1		41.4		44.1		52.3

Average Wind Speed

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		13.8		15.4		15.8		15.9		14.8		13.4		12.4		11.9		11.4		12.6		13		13.7		14.8

Highest Reported Hourly Wind Speed

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		96.6		74		83.7		78.9		70.8		86.9		82.1		96.6		77.2		66		56.3		62.8		59.5

Average Percent Chance - Calm Winds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		5.5		4		4.2		3.9		4.8		5.4		6.2		6.6		7		6.5		6.9		6.4		4.6

Average Primary Wind Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		311.7		360		360		358.8		355.1		349.6		330.5		325.6		212.9		148.4		226.6		355.3		360

Average Secondary Wind Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		251.3		236.6		200.5		218.4		291.6		280.9		313.3		333.9		281.1		282.2		268.4		142.9		162.1

Average Wind Vector Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		239.4		307.5		307.8		297.4		265.8		265.1		263.3		272.1		163.5		57.3		70.2		286.8		319.5

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.2		8.9		11.2		15.1		18.7		20.3		20.7		20.6		18.6		16.4		14		9.9		8.2

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		3.5		4.6		5.9		7.3		8.4		8.9		8.6		7.8		6.3		4.6		3.7		3.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.4		12.6		14.2		17		18.7		18.6		18.2		18.5		17.9		17.5		17.6		13.7		12.2

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		13		13.5		16.1		17.9		17.8		17.4		18		16.6		16.7		18		14.3		12.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.2		8.9		11.2		15.1		18.7		20.3		20.7		20.6		18.6		16.4		14		9.9		8.2

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		3.7		4.8		6.2		7.7		8.7		9.1		8.9		8		6.7		5.2		3.9		3.4

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.7		15.2		19.9		20.1		21.4		20.7		20.3		22.3		21.4		20.8		22.2		18.2		14.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.7		16.8		22		21		22.8		22		21.7		26.4		23.2		22.3		25.4		21.2		15.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.4		7.3		9		12.7		14.1		16.2		17.7		17.1		16.2		14		11.1		6.7		6.6

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		3.8		5.4		6.7		8		8.5		7.5		7		5.7		3.7		3.1		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		12.9		9.7		10.9		13.8		13.9		14.9		15.8		15.5		15.6		14.6		13.1		8.2		9.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.5		8.7		8.8		11.3		10.1		11.2		12.7		12.2		12.6		12.1		11.3		6.5		8.3