TALLINN, ESTONIA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		41.9		25.2		23.7		29.7		38.8		49.6		57.7		61.9		60.1		51.3		43		34		28.2

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48.4		29.5		28.8		35.6		46.8		58.8		66.4		70.2		67.8		58.1		48.4		37.9		32.5

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		35.8		20.1		18.5		24.3		32.2		41		49.5		53.8		52.9		45		37.9		29.8		23.7

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		93.7		48		50.4		60.1		81		83.5		87.3		93.7		93.6		82.4		71.2		53.8		48.9

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-26		-24.5		-22		-15.2		10.4		23		32.4		39.2		36.3		23.5		13.1		-1.8		-26

Average Number of Days Above 70F/21C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31		---		---		---		---		4		7		12		7		1		---		---		---

Average Number of Days Above 60F/15C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		98		---		---		---		2		11		21		29		26		8		1		---		---

Average Number of Days Below 32F/0C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		143		27		25		25		16		2		---		---		---		1		6		17		25

Average Number of Days Below 0F/-17C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6		2		3		1		---		---		---		---		---		---		---		---		1

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		27.3		2		1.3		1.4		1.4		1.5		2.4		3		3.3		3		3		2.7		2.4

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		126		12		9		9		8		7		9		10		11		12		12		14		14

Most Precipitation Reported in a Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		2.9		0.9		1.1		0.7		1.3		1.2		2		2.5		2.2		2.9		1.4		1.2		0.9

Average Number of Days With Thunderstorms

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12		---		---		---		---		2		3		3		3		1		---		---		---

Most Rain Reported in a Month

Years on Record: 145

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		36.2		3.4		2.9		3.5		3.8		3.5		5.8		5.9		7.5		9.1		5.9		4.2		5.3

Least Recorded Rainfall

Years on Record: 145

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		7.1		0.2		0.1		0.1		0.1		0.2		0.3		0.6		0.2		---		0.1		---		0.1

Average Relative Humidity

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		81		87		85		81		75		69		73		77		80		83		84		87		88

Average Morning Relative Humidity

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		88		87		87		88		86		84		87		91		92		92		89		89		88

Average Evening Relative Humidity

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		72		85		80		73		64		55		59		63		67		72		76		85		86

Average Dew Point

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		36		21		19		24		31		39		48		53		53		46		38		31		24

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8342		1246.2		1168.1		1086.6		765		468.1		211.5		93		144.2		403.5		677.4		934.5		1143.9

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		977.9		---		---		---		---		---		238.5		372		320.9		46.5		---		---		---

Average Sea Level Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
inHg		29.9		29.9		30		30		29.9		30		29.9		29.9		29.9		29.9		29.9		29.9		29.8

Average Station Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
inHg		29.8		29.7		29.8		29.8		29.8		29.9		29.8		29.8		29.8		29.8		29.8		29.7		29.7

Average Vapor Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
inHg		0.2		0.1		0.1		0.1		0.2		0.2		0.4		0.4		0.4		0.3		0.2		0.2		0.1

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.2		7.9		10		12.6		15.4		18.1		20		18.9		16.2		13.5		10.8		8.4		7.1

Average Daily Sunshine

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		10.1		11		11		12		11		11		10		8		7		8		10		11		11

Average Monthly Sunshine

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		1783.1		24		54.8		122.3		185		286.8		291.5		293.6		240.2		147.6		89.3		30.2		17.8

Average Number of Days With Fog

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		153		11		13		16		14		12		11		13		14		11		13		13		12

Average Number of Cloudy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.3		7.2		6.2		5.1		4.2		3.1		3.5		3.8		4.1		4.9		6		7.5		7.6

Average Wind Speed

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		8.7		10.1		9.4		8.7		8.7		8.5		7.8		7.2		7.2		8.1		8.9		9.6		9.8

Highest Reported Wind Gust

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		78.3		64.9		53.7		62.6		55.9		49.2		55.9		49.2		55.9		67.1		58.2		78.3		73.8

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.9		0.4		1.1		2.5		4.1		5.6		5.9		5.7		4.4		2.7		1.3		0.5		0.3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.3		0.7		1.4		2		2.6		2.8		2.6		2.2		1.5		0.8		0.4		0.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.2		1		2.1		3.6		4.5		5.2		5.1		5		4.5		3.4		2.1		1.2		0.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.3		0.9		1.8		3.2		4.6		5.9		6.2		5.9		4.6		3.2		1.8		1		0.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.9		0.4		1.1		2.5		4.1		5.6		5.9		5.7		4.4		2.7		1.3		0.5		0.3

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.3		0.8		1.5		2.1		2.9		2.8		2.6		2.3		1.6		0.9		0.4		0.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4		1.4		2.8		4.4		5.7		6.3		6.3		6.1		5.8		4.5		2.4		1.4		0.8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.5		1.2		2.4		4		6.3		7.6		8.9		8.2		6.7		4.6		2.2		1.2		0.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.4		0.4		0.9		2		3.4		4.7		5		4.7		3.4		2.1		1.2		0.4		0.3

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		0.3		0.6		1.3		2		2.6		2.7		2.6		2.2		1.3		0.8		0.3		0.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.5		0.9		1.5		2.5		3.5		4.3		4.3		4.1		3.3		2.4		1.8		0.9		0.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.3		0.7		1.3		2.1		3		4.1		4.3		4.1		2.6		2		1.6		0.7		0.6