PIILSI, ESTONIA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		40.8		22.5		21		27.7		37.4		49.6		58.3		61.9		59.7		50.5		41.9		32.4		25.9

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48		27.5		27.1		34.9		46		59.5		67.8		71.1		68.7		58.5		47.8		36.7		30.6

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		33.3		16.9		14.4		21		30.4		39.6		48		52.2		50.7		42.8		36.1		27.9		20.5

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		89.6		46		53.4		62.1		80.4		85.8		85.3		89.6		86		79		68.7		53.8		47.3

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-39.3		-34.2		-36.6		-19.3		6.4		19.2		27.3		34.7		31.1		23.2		6.8		-4.5		-39.3

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		24.4		1.6		1.2		1.2		1.3		1.8		2.5		3.1		2.9		2.5		2.3		2		1.8

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		12		9		9		8		7		10		10		11		12		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
in		2.3		0.6		0.8		0.8		1.3		1.8		2.1		2.2		2.3		1.3		1.2		0.8		0.8

Average Relative Humidity

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		82		87		85		82		78		72		76		79		81		84		86		89		88

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8838.8		1326.8		1250.1		1148.6		804		479		213		103.9		164.3		430.5		714.6		981		1223

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		918.4		---		---		---		---		---		237		361.2		300.7		19.5		---		---		---

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		29.9

Average Station Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
inHg		29.8		29.8		29.8		29.9		29.8		29.9		29.8		29.8		29.8		29.8		29.8		29.8		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		0.3		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		8		10.1		12.6		15.3		18		19.7		18.7		16.2		13.5		10.8		8.5		7.2

Average Monthly Sunshine

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		1720.9		30		61		119.8		175.2		266.4		277.2		281.2		232.9		141.2		85.8		29.7		20.6

Average Number of Cloudy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.1		6.8		5.7		4.8		4.1		3.3		3.6		3.8		3.9		4.7		5.8		7.2		7.2

Average Wind Speed

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		7		8.1		7.2		7		6.5		6.5		6.5		6		5.8		6.5		7.6		8.1		7.8

Highest Reported Wind Gust

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		58.2		51.5		49.2		42.5		49.2		44.7		58.2		58.2		49.2		58.2		44.7		51.5		53.7

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		0.4		1.1		2.3		4		5.5		5.8		5.6		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		1.3		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		3.1		1		2		3.3		4.4		5.1		5		5		4.5		3.4		2.1		1.2		0.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.2		0.9		1.7		2.8		4.4		5.7		6		5.8		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		2.8		0.4		1.1		2.3		4		5.5		5.8		5.6		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		2.7		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		3.9		1.4		3		4.3		5.5		6		6.3		5.9		5.8		4.4		2.5		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		4.4		1.2		2.6		3.9		6.2		7.4		8.8		7.7		6.7		4.5		2.3		1.3		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		2.3		0.4		0.8		1.8		3.2		4.6		4.9		5		3.3		2		1.1		0.4		0.2

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		0.5		1.2		2		2.6		2.7		2.6		2.2		1.3		0.7		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		2.4		0.9		1.3		2.2		3.4		4.2		4.2		4.4		3.2		2.3		1.7		0.9		0.6

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.2		0.7		1		1.6		2.8		4		4.2		4.6		2.4		1.8		1.5		0.7		0.6