ST. AUGUSTINE, FLORIDA

Average Temperature

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		69.8		57.5		58.7		63.3		68.8		74.5		79		80.8		80.9		79		72.6		64.1		58.4

Average High Temperature

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		79.4		67.9		69.4		73.9		79.2		84.1		88.1		89.8		89.6		86.9		80.9		73.8		68.6

Average Low Temperature

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		60.2		47		48		52.7		58.4		64.8		70		71.8		72.2		71.1		64.4		54.3		48

Highest Recorded Temperature

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		104		87		90		94		96		99		104		101		102		100		98		92		89

Lowest Recorded Temperature

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		16		18		16		26		33		43		54		60		59		51		31		25		16

Average Number of Days Above 90F/32C

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		56.6		---		---		0.1		0.8		4.2		10.6		16.5		15.9		7.1		1.3		0.1		---

Average Number of Days Below 32F/0C

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.5		2.7		1.8		0.4		---		---		---		---		---		---		---		0.5		2.1

Average Precipitation

Years on Record: 90

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		49.3		2.5		3.1		3.4		2.9		3.3		5.2		5.8		5.7		7		5.5		2.3		2.8

Average Number of Days With Precipitation

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		110		7		8		8		6		8		12		13		12		13		10		6		8

Most Precipitation Reported in a Day

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		9.5		2.6		9.3		6.3		3.3		6		6		5.4		5.1		9.5		9.4		6.2		3.9

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

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		76		5		5		5		4		5		8		9		9		9		7		4		5

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

Years on Record: 81

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

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

Years on Record: 81

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

Average Number of Rainy Days

Years on Record: 90

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		83.3		5.5		6.2		6.4		5.9		6.4		8		8.5		8.4		10		8.1		4.1		5.8

Most Rain Reported in a Month

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		79.9		8.6		21.5		11		8.4		10.7		14.2		13.3		19.1		21.8		16.7		10.4		9.9

Least Rain Reported in a Month

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		31.6		0.1		---		0.2		0.1		---		0.2		1.1		0.4		0.9		0.1		---		---

Average Snowfall

Years on Record: 81

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

Most Snow Reported in a Month

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		2		---		2		---		---		---		---		---		---		---		---		---		---

Average Relative Humidity

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		78		77		76		74		73		75		79		80		81		81		78		78		78

Average Dew Point

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		61		49		52		54		58		65		70		72		73		72		64		57		51

Heating Degree Days

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		701		234.1		178		52.7		---		---		---		---		---		---		---		28.5		207.7

Cooling Degree Days

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2468.4		---		---		---		114		293		421.5		489.8		492.9		420		237.2		---		---

Growing Degree Days

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7246.3		231		245.8		412.3		564		758		871.5		954.8		957.9		870		702.2		421.5		257.3

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.9		11.6		12.4		13.3		14.1		14.5		14.3		13.6		12.7		11.8		11.1		10.7

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.1		3.1		3.8		5		6.4		7.1		6.6		6.9		6.1		5		4.3		3.4		2.9

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		1.1		1.3		1.6		1.8		2		2.3		2.1		2		1.8		1.4		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		5.3		4.2		4.7		5.6		6.4		6.4		5.8		6.1		5.8		5.2		5.2		4.6		4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.7		4.5		4.7		5.7		7.1		7.5		6.3		7		6.1		5.1		5.3		5		4.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.1		3.1		3.8		5		6.4		7.1		6.6		6.9		6.1		5		4.3		3.4		2.9

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.8		1.2		1.5		1.8		2		2.1		2.5		2.3		2.2		1.9		1.5		1.2		1.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.2		5.1		5.8		6.5		7.3		7.1		6.8		6.8		6.4		6.5		5.9		5.4		4.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7.4		5.9		6.5		7.3		9		9.2		8.8		8.6		7.4		7.5		6.6		6.5		5.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.3		2.4		2.9		4		5.7		6.6		5.8		6.1		5.2		4.2		3.7		2.6		2.3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		0.9		1.1		1.4		1.4		1.6		1.8		1.8		1.8		1.4		1.2		0.9		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		4.4		3.1		3.4		4.3		5.6		6.1		5.1		5.5		5		4.4		4.3		3.2		3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.1		2.8		2.8		3.6		5.6		6.6		4.8		5.5		4.5		3.7		3.9		2.9		2.8