NARVA, ESTONIA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.9		-5.8		-6.2		-2		4		10.1		14.8		16.9		15.4		10.3		5.4		-0.1		-3.8

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.7		-3.2		-3.1		1.6		8.7		15.7		19.9		21.7		20.2		14.4		8.3		2		-1.4

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.9		-8.9		-9.7		-5.4		-0.1		4.4		9.3		11.7		10.7		6.3		2.5		-2.5		-6.7

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		34		8.6		10.6		16		25.7		30.1		32.7		33		34		29.9		21		11.5		8.3

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-42.6		-37.3		-37.4		-27.8		-13.7		-5.8		-0.9		2.6		-0.5		-5.4		-12.4		-22.9		-42.6

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		646		36		28		33		32		43		62		75		89		76		72		54		47

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		124		11		8		9		8		7		9		10		11		12		13		14		12

Most Precipitation Reported in a Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		70.5		12		13.5		15.5		29.3		43.6		33.5		45		52.6		70.5		26.7		20.3		19.6

Average Relative Humidity

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		80		86		84		79		72		67		73		76		79		83		84		87		87

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5458.8		756.1		699.2		626.9		420.8		256.6		112.5		49.9		88.7		240		401.3		557.5		694.1

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		527.3		---		---		---		---		1.7		137.5		208.4		169.7		10		---		---		---

Average Sea Level Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		1013.3		1012.1		1015.1		1015.2		1013.6		1016.3		1012.6		1011.9		1013.1		1013.2		1013.9		1012.7		1010.7

Average Station Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		1009.8		1008.4		1011.4		1011.5		1010.1		1012.9		1009.2		1008.5		1009.7		1009.8		1010.4		1009.2		1007.2

Average Vapor Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		7.9		3.8		3.6		4.4		5.9		8.3		12.1		14.4		13.8		10.5		7.8		5.5		4.3

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.3		7.9		10		12.6		15.4		18.1		20		18.9		16.3		13.5		10.8		8.4		7.1

Average Monthly Sunshine

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		1718.7		29.6		60.3		123.9		178.4		274.5		284		286.7		231		133.2		76		26.8		16.5

Average Number of Cloudy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.7		7.2		6		5.2		4.7		4		4.4		4.5		4.6		5.7		6.6		7.8		7.8

Average Wind Speed

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		13.7		16.2		14.4		14.4		13.3		12.6		12.2		11.2		11.5		12.6		15.1		15.8		16.2

Highest Reported Wind Gust

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		100.8		93.6		90		82.8		90		90		72		100.8		86.4		79.2		90		86.4		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		10.2		1.5		4		8.4		14.2		19.6		20.9		20.3		16		9.8		4.8		2		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		5.2		1		2.5		4.8		7.2		9.5		9.9		9.4		8		5.3		3		1.4		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		11.4		3.9		7.6		12		15.6		18		18		18		16.4		12.3		7.6		4.8		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		11.7		3.3		6.4		10.4		15.6		20		21.3		21.2		17		11.6		6.8		4.2		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		10.2		1.5		4		8.4		14.2		19.6		20.9		20.3		16		9.8		4.8		2		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		1.1		3		5.2		7.5		9.9		10		9.5		8.5		5.9		3.4		1.7		0.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.4		5		10.6		14.9		20.1		21.7		21.7		21.8		21		16.2		9.3		6.6		3.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.1		4.3		9.3		13.3		22.5		26.6		29.8		29.3		24.3		16.7		8.6		5.8		3

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.2		1.3		3.2		6.6		11.8		16.5		16.6		17.2		12.1		7.3		3.8		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		1		2.2		4.4		7.1		9.4		9.8		9.2		7.8		4.8		2.6		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		8.8		3.4		5.7		8.5		12.3		15		14.3		15.2		11.7		8.4		5.6		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
Mj/m2		7.7		2.8		4.8		6.5		10.3		14.1		13.2		15.3		9		6.7		4.7		2.8		2.1