SURA, RUSSIA

Average Temperature

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.3		-15.7		-13.6		-6.7		---		6.9		13.2		16.5		13.1		7.5		0.9		-6.5		-11.8

Average High Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4		-12		-9		-1		4		12		18		21		16		10		2		-3		-8

Average Low Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-3		-19		-17		-10		-4		2		8		11		8		3		-1		-8		-16

Highest Recorded Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		32		3		3		10		22		30		32		32		31		23		20		8		5

Lowest Recorded Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-48		-48		-43		-37		-26		-10		-3		1		-3		-7		-26		-36		-47

Average Number of Days Above 80F/26C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10		---		---		---		---		---		3		5		1		---		---		---		---

Average Number of Days Above 65F/18C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		57		---		---		---		---		6		16		22		12		2		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		212		31		28		29		24		12		1		---		1		7		21		27		31

Average Number of Days Below 0F/-17C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		55		16		12		7		1		---		---		---		---		---		---		4		13

Average Precipitation

Years on Record: 45

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		554.8		34.4		24.4		26.2		32.6		49.9		56.5		65.6		71.4		55.2		56.3		44.1		38.2

Average Number of Days With Precipitation

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		242		27		22		21		17		16		14		13		17		18		23		26		28

Average Number of Rainy Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		113		1		2		4		8		13		14		13		17		17		14		7		3

Average Number of Days With Thunderstorms

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14		---		---		---		---		1		4		6		3		---		---		---		---

Average No. of Days With Freezing Rain

Years on Record: 19

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

Average Number of Days With Snow

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		158		26		22		21		12		5		1		---		---		2		16		25		28

Average Morning Relative Humidity

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		85		83		84		85		84		77		75		84		91		93		90		87		85

Average Evening Relative Humidity

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		69		83		79		69		57		50		51		56		63		70		80		86		85

Average Dew Point

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-3		---		-15		-9		-5		---		6		10		8		4		-1		-7		-14

Heating Degree Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7352.5		1067.8		894.6		757.8		550		344.4		150		68.9		180.8		333.3		551.1		733.3		955.8

Growing Degree Days

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		366.9		---		---		---		---		---		100		189.4		77.5		---		---		---		---

Average Station Pressure

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		1004.7		1004.3		1005.9		1006		1006.5		1007		1003.7		1003.6		1004.2		1004.5		1003		1004.5		1003.1

Average Vapor Pressure

Years on Record: 49

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		6.3		2.1		2.3		3.3		4.4		6.5		10		13.2		11.9		8.9		6		3.8		2.7

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.6		6.9		9.6		12.6		16		19.9		22.4		20.5		17.2		13.7		10.5		7.6		5.9

Average Number of Days With Fog

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		103		10		8		12		6		5		5		10		12		12		9		6		8

Average No. of Days With Vision Obstruction

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		123		14		13		16		8		5		5		10		12		12		9		8		11

Average Wind Speed

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		12		9		9		16		9		16		14		14		14		8		16		12		12

Average No. of Days With Blowing Snow

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20		4		5		4		1		---		---		---		---		---		---		2		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		8.8		0.5		2.8		7.5		13.4		17.1		19.9		18.7		12.9		7.5		3.4		1		0.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.7		0.4		1.8		4.4		6.9		8.9		9		9.4		7.8		4.6		2.3		0.8		0.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.9		2.1		6.3		12.5		16.2		15.8		17		16.6		12.8		9.6		6		3.5		0.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.6		1.8		5.7		11.1		16.4		18.3		24.2		20.4		12		8.8		5.4		3.2		---

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.8		0.5		2.8		7.5		13.4		17.1		19.9		18.7		12.9		7.5		3.4		1		0.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		0.4		1.9		4.6		7		8.9		9.2		9.5		7.9		4.9		2.6		0.8		0.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.9		2.7		7.1		14.5		19.1		19.5		20.2		19.8		15		12.6		8.3		3.8		0.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		2.4		6.4		13.3		20.3		25.9		31.7		27.7		15.8		12.7		7.5		3.6		---

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.2		0.4		2.3		6.1		10.9		14.8		15.9		15.1		10.8		6.1		2.6		0.9		0.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.5		0.4		1.6		4		6.8		8.7		8.4		9.2		7.5		4.2		1.9		0.7		0.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.7		1.6		4.9		9.2		11.8		13.5		13.5		13.2		10.4		7.2		4		3		0.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		1.3		4.2		7.4		10.5		13.5		16.6		12.8		7.8		5.7		3.3		2.8		---