POLATSK, BELARUS

Average Temperature

Years on Record: 110

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5.2		-7.3		-6.8		-2.5		5		12.3		15.8		17.5		16.1		11.1		5.5		---		-4.6

Average Precipitation

Years on Record: 110

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		662		37		32		36		42		53		80		85		78		67		55		51		46

Average Number of Days with Hail

Years on Record: 110

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.1		---		---		---		---		0.3		0.4		0.1		---		0.1		0.1		---		---

Average Number of Days with Thunderstorms

Years on Record: 65

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23		---		---		---		0.7		4		6		6		4		2		0.2		---		---

Most Rain Reported in a Month

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		239		112		104		95		101		145		239		226		164		201		130		152		108

Least Rain Reported in a Month

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		8		6		7		---		5		10		16		1		12		2		---		9

Average Snow Cover

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		13.8		17		21		16		---		---		---		---		---		---		---		6		9

Average Relative Humidity

Years on Record: 65

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		80		86		84		79		73		68		71		75		78		82		85		88		88

Heating Degree Days

Years on Record: 110

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5353		793.9		709.4		645.8		400		187.7		76.7		25.8		68.9		216.7		397.8		550		711.3

Growing Degree Days

Years on Record: 110

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		699.1		---		---		---		---		70.6		173.3		232.5		189.4		33.3		---		---		---

Average Sea Level Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		1015		1016.5		1017		1016.2		1014		1015.3		1013		1012.5		1013.9		1014.6		1017		1015.6		1014.5

Average Station Level Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		998.7		999.4		1000		999.4		997.7		999.4		997.3		996.8		998.3		998.6		1000.7		998.9		997.6

Average Vapor Pressure

Years on Record: 65

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		8.2		3.6		3.6		4.4		6.6		9.6		12.9		14.7		14.1		10.9		7.9		5.8		4.4

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13		8.6		10.3		12.5		14.9		17.1		18.4		17.7		15.6		13.3		11		9		7.9

Average Daily Sunshine

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		6.9		3.3		4.3		6.2		7.2		8.9		9.9		9.4		8.2		6		4.3		3.1		2.9

Average Monthly Sunshine

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		1757		40		64		130		180		258		276		272		238		156		86		34		23

Average Number of Days with Fog

Years on Record: 65

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		44		3		4		4		3		2		1		2		4		6		5		5		5

Average Number of Cloudy Days

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		112		19		13		10		5		2		2		2		2		4		11		19		23

Average Wind Speed

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		11.9		14		13.3		13		12.2		11.2		10.4		9.4		9.4		10.1		12.6		14		14

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		2.6		5.3		9.7		14		18.6		18.8		18.7		15.7		10		5.5		2.8		1.8

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		1.7		3.2		5.3		7.4		9.2		9.9		9.7		8		5.5		3.3		1.9		1.2

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		5.8		9.3		13.2		14.9		17.1		16.2		16.5		15.7		11.8		8		5.4		4.2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.7		5		8		11.4		13.7		17.4		16.1		16.4		15		10.5		7.1		4.7		3.6

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		2.6		5.3		9.7		14		18.6		18.8		18.7		15.7		10		5.5		2.8		1.8

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		1.9		3.6		5.9		7.5		9.3		10		9.8		8.1		5.9		3.9		2.3		1.4

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.6		7.2		11.6		17.5		19.3		20.9		19.8		20.9		19.7		14.4		10.8		7.7		5.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		6.4		10.2		15.6		20.7		24.4		23.5		25		21.9		13.8		10		6.8		4.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.1		2.3		4.3		7.3		11.4		14.3		16.1		13.5		12.9		6.9		4.1		1.9		1.6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.2		1.6		2.7		4.8		7.3		9.1		9.8		9.1		8		4.8		2.8		1.5		1.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.5		4.9		6.8		8.8		11.6		12.9		13.9		11.8		12.5		7.3		5.6		3		3.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.5		4.1		5.9		6.7		8.6		9.7		11.5		7.9		9.8		4.9		4.5		2.3		2.8