VLISSINGEN, NETHERLANDS

Average Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		51		39		38		43		47		54		60		64		64		60		54		46		42

Average High Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		55		42		41		47		52		59		64		68		69		64		57		49		44

Average Low Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		47		36		35		39		42		49		54		59		59		56		50		43		38

Highest Recorded Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		92		57		58		62		72		82		88		90		92		84		73		64		62

Lowest Recorded Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		11		11		12		22		30		34		41		49		50		45		36		27		14

Average Number of Days Above 70F/21C

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		38		---		---		---		---		4		6		11		13		4		---		---		---

Average Number of Days Above 60F/15C

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		134		---		---		---		4		13		22		30		31		26		9		---		---

Average Number of Days Below 32F/0C

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28		8		9		3		---		---		---		---		---		---		---		2		6

Average Number of Days With Precipitation

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		241		23		16		22		19		19		19		19		18		19		21		23		23

Average Number of Days With Sleet

Years on Record: 19

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

Average Number of Rainy Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		235		22		14		21		19		19		19		19		18		19		21		22		22

Average Number of Days With Thunderstorms

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		19		---		---		---		1		3		4		3		3		2		2		1		---

Average Number of Days With Snow

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16		5		4		2		1		---		---		---		---		---		---		1		3

Average Morning Relative Humidity

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		87		88		88		89		85		84		86		85		86		87		87		87		88

Average Evening Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		75		84		79		77		68		67		69		69		67		71		76		82		85

Average Dew Point

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		45		35		33		38		39		46		52		56		56		53		48		41		38

Heating Degree Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5209.8		806		762.8		682		540		341		180		46.5		31		150		356.5		570		744

Growing Degree Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1655		---		---		---		---		124		270		418.5		434		300		108.5		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.9		9.1		10.6		12.5		14.5		16.4		17.3		16.8		15.1		13.2		11.2		9.5		8.6

Average Number of Days With Fog

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		208		18		18		19		16		16		17		17		16		16		18		17		20

Average Number of Days With Smoke/Haze

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		136		7		12		12		13		13		13		13		15		12		11		7		8

Average No. of Days With Vision Obstruction

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		246		21		21		22		20		21		20		21		20		19		20		19		22

Average Wind Speed

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		16		17		16		20		12		12		14		14		14		17		16		18		18

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.8		0.8		1.5		2.5		3.7		4.9		5		4.9		4.3		2.9		1.7		1		0.6

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		0.6		0.9		1.5		2.1		2.5		2.7		2.6		2.3		1.6		1		0.6		0.4

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3		1.4		2.2		3		3.8		4.5		4.3		4.3		4.2		3.3		2.4		1.5		1.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.6		1.2		1.9		2.4		3.2		4.2		3.8		3.9		3.8		2.8		2.1		1.3		0.9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.8		0.8		1.5		2.5		3.7		4.9		5		4.9		4.3		2.9		1.7		1		0.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		0.6		1.1		1.7		2.1		2.6		2.8		2.6		2.3		1.7		1.1		0.7		0.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		1.7		3.2		4.3		4.7		5.8		5		5.3		5.2		4.2		2.8		2.1		1.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		1.5		2.9		3.9		4.6		6.6		5.2		5.9		5.5		4		2.6		1.9		1.3

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.2		0.6		1.2		2		3.1		3.8		4		3.9		3.6		2.3		1.1		0.8		0.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.5		0.8		1.4		2		2.4		2.6		2.5		2.2		1.5		0.8		0.6		0.4

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.3		1		1.6		2.3		3		3.4		3.5		3.5		3.5		2.4		1.3		1.2		0.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		0.8		1.3		1.6		2		2.4		2.4		2.4		2.6		1.7		0.9		1		0.6