CHRISTIANSTED, U.S. VIRGIN ISLANDS

Average Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		80.9		78		78.1		78.6		79.9		81.3		83.2		83.6		83.7		83		82.1		80.4		78.9

Average High Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		86.7		84		84.3		84.9		85.8		86.9		88.2		89		89.3		88.9		88.2		86.5		84.8

Average Low Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		75.1		72		72		72.4		74.1		75.8		78.1		78.2		78		77		75.9		74.4		73

Highest Recorded Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		98		92		93		92		93		94		97		94		95		95		98		93		92

Lowest Recorded Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		29		59		61		60		57		29		45		64		63		58		65		52		61

Average Number of Days Above 90F/32C

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		67.1		0.2		0.2		0.4		0.8		3.8		8.9		13.3		15.6		11.7		8.6		3.5		0.1

Average Number of Days Above 86F/30C

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		247		8		9		13		16		24		27		29		30		28		27		21		13

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		362.5		30.4		27.6		30.5		29.8		30.8		30		31		31		30		31		29.8		30.7

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		365		31		28		31		30		31		30		31		31		30		31		30		31

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		365		31		28		31		30		31		30		31		31		30		31		30		31

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		365		31		28		31		30		31		30		31		31		30		31		30		31

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		365		31		28		31		30		31		30		31		31		30		31		30		31

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		28.9		6.1		5.2		6.4		2.6		0.9		0.3		0.1		0.1		0.4		0.7		2.3		3.9

Average Precipitation

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		39.3		2.1		1.7		1.6		2		3.4		2.1		3		3.5		5.2		5.6		6.1		3.1

Average Number of Days With Precipitation

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		174		16		13		12		11		12		11		16		16		16		18		17		17

Most Precipitation Reported in a Day

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		17.1		2		2.4		1.6		4.7		8		3.9		3		8.9		17.1		10		6.7		4.3

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		82		6.5		4.5		4.3		4.5		6.5		5.2		7.8		7.9		8.3		9.9		9.1		7.5

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

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		81		7		5		5		5		6		5		7		8		9		10		9		8

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

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		19		1		1		1		1		2		1		2		2		2		3		3		1

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		18.8		0.7		0.6		0.7		1		2.4		1.1		1.6		1.8		2.1		2.7		2.8		1.3

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

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7		---		---		---		---		1		---		1		1		1		1		1		1

Average Number of Rainy Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		60		4		4		4		4		5		4		5		5		6		6		7		6

Average Number of Days With Thunderstorms

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		---		---		---		---		1		1		1		1		2		1		1		---

Most Rain Reported in a Month

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		78.2		5.3		4.2		4.2		8.5		14		7.8		6.1		11.4		21.4		16.2		18		9.1

Least Rain Reported in a Month

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		21.6		0.5		0.1		0.3		---		0.2		0.1		0.5		1.4		1.1		1.1		1.1		0.4

Average Evening Relative Humidity

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		67		66		63		62		67		67		65		65		68		69		70		70		69

Average Dew Point

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		70		67		66		66		69		71		71		72		74		73		73		71		69

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5833		409		368		420		448		508		540		577		583		544		530		470		436

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11308		874		788		885		898		973		990		1042		1048		994		995		920		901

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		11.6		12		12.4		12.9		13.4		13.6		13.5		13.1		12.6		12.1		11.7		11.5

Average Number of Days With Smoke/Haze

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9		---		---		---		1		1		2		2		1		1		1		---		---

Average No. of Days With Vision Obstruction

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10		---		---		---		1		2		2		2		1		1		1		---		---

Average Wind Speed

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		13		13		12		13		13		12		13		13		13		12		12		12		12

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.1		4.9		5.7		6.6		7		6.9		7		7		6.9		6.2		5.6		4.8		4.6

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		1.2		1.3		1.5		1.8		2		2		2		1.9		1.8		1.5		1.3		1.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.4		5.9		6.4		6.9		6.8		6.7		7.1		7		6.5		6.3		6.1		5.6		5.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.9		6.7		7.2		7.7		7.5		6.9		7.2		7.2		7.2		6.6		6.5		6.1		6.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.1		4.9		5.7		6.6		7		6.9		7		7		6.9		6.2		5.6		4.8		4.6

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		1.3		1.5		1.7		2		2.4		2.2		2.1		2.1		2		1.8		1.6		1.4

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7		6.3		6.9		7.3		7.4		7.6		7.8		7.6		7		6.9		6.7		6.4		6.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		8.1		7.6		8.1		8.6		8.9		8.6		8.5		8.4		8.4		7.7		7.6		7.6		7.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.4		4.6		5.4		6.1		6.3		5.5		6.1		6.4		6.3		5.7		4.8		4.1		4

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		1		1.2		1.3		1.5		1.7		1.7		1.7		1.6		1.6		1.3		1.1		1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.7		5.4		6		6.3		6.1		5.3		6.2		6.4		6		5.7		5.2		4.6		4.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.6		5.8		6.4		6.6		6.1		4.5		5.6		6.1		6		5.4		4.9		4.4		4.9