VIRTSU, ESTONIA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.1		-3		-4.3		-1.3		3.6		9.9		14.7		17.1		16.4		11.7		7.2		2.4		-1.1

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.2		-0.5		-1.3		1.8		7.3		14.2		18.5		20.5		19.7		15		9.8		4.6		1.2

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3.4		-5.3		-6.8		-3.8		0.7		6.3		11.3		13.8		13.4		9		4.8		0.4		-3.4

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		32.8		9		9.5		13.6		22		27.6		32.8		29.7		30.6		25		20.6		13		9.3

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-33.7		-33.7		-28.7		-22.2		-10.8		-3.3		1.2		5.9		4.9		-2.9		-8.3		-16.7		-33.6

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		625		47		34		35		34		32		52		68		65		66		72		68		56

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		114		11		8		8		8		6		7		8		10		11		12		13		13

Most Precipitation Reported in a Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		89		19.5		17.6		17.8		20.8		33.5		64.4		89		37.5		49.2		36.9		39.6		32.9

Average Relative Humidity

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		83		88		86		85		81		75		78		80		82		82		84		87		88

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4856.2		657.9		631.7		599.3		430		250.6		103.3		37.1		55.1		190		342.7		475		601.9

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		639		---		---		---		---		7.8		146.7		221.3		203.2		60		---		---		---

Average Sea Level Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		1013		1012.3		1013.9		1013.4		1012.8		1015.7		1012.9		1012.1		1012.7		1013.1		1013.8		1011.6		1010.2

Average Station Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		1012.7		1012		1013.6		1013.2		1012.5		1015.8		1012.3		1011.9		1012.4		1012.8		1013.6		1011.3		1009.9

Average Vapor Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		8.6		4.4		4.1		4.9		6.4		9.1		12.7		15.2		14.9		11.3		8.6		6.3		5

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.2		8.1		10.1		12.6		15.3		17.9		19.5		18.6		16.1		13.4		10.9		8.6		7.3

Average Number of Cloudy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.7		6.4		5.7		4.9		4		2.8		3.1		3.3		3.7		4.5		5.3		6.8		6.6

Average Wind Speed

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		15.5		16.6		15.1		14.8		14.8		15.1		15.1		14.4		14.4		14.8		16.2		17.3		16.9

Highest Reported Wind Gust

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		122.4		90		122.4		100.8		93.6		79.2		108		72		86.4		90		104.4		108		86.4

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.3		1.4		4		8.9		14.6		20.2		21.4		20.3		15.8		9.8		4.7		1.9		0.9

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		1		2.5		5		7.2		9.5		9.9		9.4		8		5.3		3		1.3		0.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.5		3.7		7.6		12.8		16.3		18.8		18.4		18.1		16.1		12.3		7.4		4.2		2.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.9		3.1		6.5		11.5		16.6		21.4		22.1		21.4		16.4		11.6		6.6		3.7		2.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.3		1.4		4		8.9		14.6		20.2		21.4		20.3		15.8		9.8		4.7		1.9		0.9

Maximum 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		1.2		2.9		5.3		7.5		10.3		10		9.5		8.3		5.9		3.2		1.4		0.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.3		5.2		10		15.8		20.3		22.5		22.6		21.9		20.7		16.2		8.8		5		3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.2		4.5		8.7		14.2		22.8		27.5		31.9		29.5		23.9		16.6		8.1		4.3		2.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.5		1.3		3.2		7.1		12.1		16.9		17.9		16.9		12.2		7.6		4.2		1.6		0.9

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		0.9		2.2		4.5		7.1		9.4		9.7		9.2		7.8		4.8		2.7		1.2		0.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.1		3.2		5.5		9.1		12.7		15.3		15.3		14.9		11.8		8.8		6.4		3.2		2.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.1		2.6		4.7		7.6		10.9		14.8		15.5		14.8		9.3		7.1		5.6		2.6		2.3