ST. AUGUSTINE, FLORIDA

Average Temperature

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		21		14.2		14.8		17.4		20.4		23.6		26.1		27.1		27.2		26.1		22.6		17.8		14.7

Average High Temperature

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		26.3		19.9		20.8		23.3		26.2		28.9		31.2		32.1		32		30.5		27.2		23.2		20.3

Average Low Temperature

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.7		8.3		8.9		11.5		14.7		18.2		21.1		22.1		22.3		21.7		18		12.4		8.9

Highest Recorded Temperature

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		40		30.6		32.2		34.4		35.6		37.2		40		38.3		38.9		37.8		36.7		33.3		31.7

Lowest Recorded Temperature

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-8.9		-7.8		-8.9		-3.3		0.6		6.1		12.2		15.6		15		10.6		-0.6		-3.9		-8.9

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
mm		1250		60		70		80		70		80		130		140		140		170		130		50		70

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
mm.		241.8		66		236.2		161.3		84.8		152.4		152.7		136.9		129.8		241.8		238.8		157.5		98.5

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		5		6		6		5		6		8		8		8		10		8		4		5

Most Rain Reported in a Month

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		2030		217		546		280		212		271		360		337		486		554		425		265		251

Least Rain Reported in a Month

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		802		3		---		6		2		---		6		29		10		24		2		---		1

Average Snowfall

Years on Record: 81

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

Most Snow Reported in a Month

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		5.1		---		5.1		---		---		---		---		---		---		---		---		---		---

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
C		16		9		11		12		14		18		21		22		22		22		17		13		10

Heating Degree Days

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		481.8		130.1		98.9		29.3		---		---		---		---		---		---		---		15.8		115.4

Cooling Degree Days

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1371.3		---		---		---		63.3		162.8		234.2		272.1		273.8		233.3		131.8		---		---

Growing Degree Days

Years on Record: 81

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4140.1		128.3		136.6		229.1		313.3		421.1		484.2		530.4		532.2		483.3		390.1		234.2		142.9

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.9		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
Mj/m2		18.2		11.1		13.6		18		23.1		25.5		23.8		24.8		22		17.9		15.5		12.4		10.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		3.8		4.8		5.8		6.4		7.1		8.2		7.6		7.2		6.5		5		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		19.2		14.9		16.9		20.1		22.9		23.2		20.9		22.1		21		18.8		18.6		16.4		14.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.6		16.1		16.9		20.5		25.5		27.1		22.8		25.2		22		18.4		19.1		18.1		15.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.2		11.1		13.6		18		23.1		25.5		23.8		24.8		22		17.9		15.5		12.4		10.4

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		4.2		5.2		6.5		7.2		7.7		8.9		8.4		8		7		5.5		4.4		3.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.3		18.2		21		23.3		26.2		25.6		24.5		24.4		23.2		23.5		21.4		19.6		16.8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		26.6		21.3		23.4		26.2		32.5		33		31.7		30.9		26.5		26.9		23.6		23.3		19.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.4		8.8		10.4		14.4		20.5		23.9		20.7		22		18.8		15.2		13.2		9.3		8.3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		3.3		4		4.9		5		5.9		6.6		6.5		6.5		5.2		4.4		3.2		3.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.8		11.1		12.2		15.4		20.1		21.8		18.5		19.8		17.9		15.7		15.4		11.4		10.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.9		10.2		10		13.1		20.2		23.8		17.2		19.8		16.1		13.2		14.1		10.4		10.2