JACKSON, MISSISSIPPI

Average Temperature

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.4		8.7		10.4		13.7		18.4		22.7		26.4		27.8		27.4		24.6		18.9		12.9		9.6

Average High Temperature

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24.8		14.5		16.5		20.1		24.9		29		32.7		33.8		33.7		31.1		26.2		19.6		15.6

Average Low Temperature

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12.1		2.8		4.3		7.3		12		16.3		20.1		21.7		21.2		18.1		11.5		6.2		3.6

Highest Recorded Temperature

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		41.7		28.3		29.4		31.7		34.4		37.2		40.6		41.1		41.7		40		35		31.1		28.9

Lowest Recorded Temperature

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-16.7		-16.7		-12.2		-9.4		-2.8		3.3		8.3		10.6		12.2		1.7		-3.3		-8.3		-15.6

Average Heat Index Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.4		7.7		9.9		13.9		18.1		22.8		26.8		28.6		28.3		24.5		18.2		13.1		8.8

Average Wind Chill Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17.5		6.1		8.7		13.3		17.9		22.4		25.8		26.9		26.7		23.8		18		12.6		7.6

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		1.7		---		---		---		---		---		0.2		0.4		0.9		0.2		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		91.8		---		---		---		0.2		5.7		20.1		25.1		24.2		14.4		2.2		---		---

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		169.4		0.1		0.6		3.9		10.9		22.2		28.7		30.8		30.4		25.9		13		2.3		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		243.9		4.1		6.5		14.8		23.4		30.2		30		31		31		29.6		25.4		13.2		4.9

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		301		11.9		15.1		24.8		28.9		31		30		31		31		30		30.2		22.5		14.6

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		339.9		21.5		22.9		29.4		29.9		31		30		31		31		30		30.9		28.7		23.6

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		359.3		28.5		26.9		30.8		30		31		30		31		31		30		31		29.9		29.2

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		293.3		31		28		30.9		29.6		28.1		16.4		7.2		9.1		22.4		29.8		29.9		30.9

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		209.8		30.2		27.3		28.6		23		10.9		1.8		---		0.8		7.6		22.1		27.5		29.9

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		147.3		27.3		23.8		21.4		12.2		2.3		0.1		---		---		1.2		12.2		20.6		26.2

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		85.2		21.3		16.7		9.6		3.2		---		---		---		---		---		3.5		11.3		19.6

Average Number of Days Below 32F/0C

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37.5		11.6		7.5		3.3		---		---		---		---		---		---		0.3		5.5		9.3

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		3.7		1.6		0.6		0.1		---		---		---		---		---		---		---		---		1.4

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		0.3		0.1		---		---		---		---		---		---		---		---		---		---		0.1

Average Precipitation

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1249		119		120		133		111		109		93		118		89		67		56		94		142

Average Number of Days With Precipitation

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		105		10		10		10		8		8		8		11		9		7		5		8		10

Most Precipitation Reported in a Day

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm.		145.5		93.7		101.8		86.4		123.2		109.7		131.8		126.5		101.3		80.3		100.3		100.8		145.5

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		73.8		7.1		6.4		6.7		5.5		6.1		6.3		7.3		5.6		5.2		4.9		5.9		6.8

Avg. No. of Days w/Precip. Above 0.2in/5mm

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		71		7		7		7		6		6		6		7		5		4		3		5		7

Avg. # of Days w/Precip. Above 0.4in/10mm

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33		4		3		4		3		3		2		3		2		2		1		3		4

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		36		3.4		3.4		3.5		2.9		3		2.7		3.2		2.6		1.9		2.5		3.3		3.6

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

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		15		1		2		2		1		1		1		1		1		1		1		1		2

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		2.8		1.7		1.7		1.9		2.2		3.1		3.9		4.5		4.4		3.7		2.6		2		1.8

Average Number of Rainy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		110		11		9		10		9		10		8		10		10		8		6		8		10

Average Number of Days With Thunderstorms

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		68		2		3		6		6		7		9		13		10		5		2		3		2

Most Rain Reported in a Month

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1653		305		250		286		257		259		236		334		289		211		177		400		368

Least Rain Reported in a Month

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		804		22		29		45		20		4		---		25		6		1		---		---		58

Least Recorded Rainfall

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		980		20		30		50		30		---		---		20		10		10		---		10		20

Average Snowfall

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		3.6		2		1		0.2		---		---		---		---		---		---		---		---		0.2

Average Number of Days With Snow

Years on Record: 30

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

Most Snow Reported in a Month

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		26.9		26.9		23.1		15.5		---		---		---		---		---		---		---		0.5		6.3

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		0.1		---		---		---		---		---		---		---		---		---		---		---		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		0.3		0.1		0.1		---		---		---		---		---		---		---		---		---		0.1

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		0.1		0.1		---		---		---		---		---		---		---		---		---		---		---

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		73.1		73.2		70.5		68.3		69.9		72.7		74.1		76.1		75.6		73.4		73.9		74.9		74.3

Average Morning Relative Humidity

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		91		87		87		87		91		92		92		94		95		94		93		90		87

Average Evening Relative Humidity

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		54		59		54		51		50		53		53		57		55		54		49		52		58

Average Dew Point

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12.5		2.7		4.3		7.3		11.6		16.6		20.3		21.9		21.6		18.3		12.6		8.1		4.2

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2392		602		440		278		109		12		---		---		---		7		100		301		542

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2258		4		6		27		81		240		422		515		504		327		105		22		8

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5932		75		103		252		426		693		871		980		969		769		473		219		103

Average Sea Level Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		1017.7		1021.4		1019.8		1017.5		1016.1		1015.3		1015.1		1016.5		1015.9		1016.1		1018.2		1019.9		1021.1

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.8		11.5		12.4		13.4		14.3		14.7		14.5		13.7		12.7		11.8		10.9		10.5

Average Number of Days With Fog

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		204		16		13		16		15		18		18		18		22		20		17		15		16

Average Number of Clear Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		111		8		8		9		10		8		9		8		9		10		15		10		9

Average Possibility of Sunshine

Years on Record: 29

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		61		48		54		60		65		62		70		65		66		64		68		57		48

Average Number of Cloudy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		150		17		14		15		13		12		9		10		9		11		10		13		16

Average Number of Partly Cloudy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		104		6		6		7		7		11		12		13		13		9		6		7		6

Average Percent Chance - Clear Skies

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		39.1		35.5		33.8		37.5		39.2		37.3		35.2		36.8		40.5		45.6		48.5		43		36.1

Average Percent Chance - Scattered Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		7.4		3.9		4.3		5.3		7		9.2		11.9		12.3		11.6		9.3		5.3		4.2		4

Average Percent Chance - Few Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		12		6.8		7.7		8.7		11.2		14.1		18.6		19.3		18.1		15		10		7.6		6.6

Average Percent Chance - Broken Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		13.4		10.3		11.2		13.2		14.4		16.3		17.3		16.8		15.8		13.5		10.9		11.1		10.3

Average Percent Chance - Overcast Skies

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		28		43.5		42.9		35.3		28.1		23.1		17		14.7		14.1		16.6		25.3		34		42.9

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		44.7		56.9		55.2		51.3		44.9		42.8		40.7		36.9		35.3		35.8		37.8		46.1		53.2

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		40.1		53.7		50.6		47.1		40.2		37.3		34.3		31		29.6		31.2		34.4		42.5		50

Average Wind Speed

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		10.1		11.7		12.2		12.6		11.7		10.3		8.7		7.6		7.4		9		9.3		10.1		11.6

Highest Reported Hourly Wind Speed

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		88.5		74		69.2		70.8		72.4		56.3		64.4		70.8		75.6		88.5		48.3		66		66

Average Percent Chance - Calm Winds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		19.3		13		12.7		12.6		14.5		17.6		21.9		27		28		22.2		23.2		22.2		15.7

Average Primary Wind Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		168.9		103.6		150.1		208.1		217.9		210.4		201.8		216		149.5		128.8		140.6		169.3		130.7

Average Secondary Wind Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		175		197.2		158.4		147.5		189.1		186.1		204.4		212.6		200.3		133.1		110.7		183.9		175.3

Average Wind Vector Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		146.1		134.4		150.8		173.4		171.1		156.2		169.4		207.7		145.4		74.7		83.9		144.2		141.7

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.9		9.2		11.7		15.5		19.3		21.2		21.7		21.2		19.6		17.4		14.5		10.8		8.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.2		3.8		4.8		6.2		7.3		8.3		8.8		8.5		7.7		6.4		4.8		3.8		3.5

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		12.5		14.5		17.1		19		19.4		19.1		19		18.8		18.5		17.8		14.5		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		16.6		12.5		13.6		15.9		18.5		19.1		19		18.6		18		18		18.2		15.3		12.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.9		9.2		11.7		15.5		19.3		21.2		21.7		21.2		19.6		17.4		14.5		10.8		8.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.5		3.9		5		6.4		7.8		8.8		9.1		8.9		8		6.8		5.4		4.2		3.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.3		16.1		19.4		21.8		22.2		22.1		20.9		21.6		21.2		19.9		22.5		19.7		15.8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.4		17.9		20.9		23.7		24.6		24.7		22.9		24.2		22.7		20.4		25.7		23.6		17.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.9		7.6		9		12.5		15.4		16.5		18.2		18.3		17.6		15		10.8		7.3		6.5

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		3.4		4.1		5.2		6.5		7.5		8.3		7.8		7.1		6.1		3.8		3		3.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.2		9.6		10.4		13.4		15		15.3		16.3		16.6		16.8		15.7		12.4		8.9		8.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.8		8.4		8		10.4		11.8		11.5		13.4		13.8		14.4		13.4		10		7.1		7.2