OSTROV, RUSSIA

Average Temperature

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		12.3		-9.3		-12.4		-9.8		1.4		20		33.1		36.7		36.1		30.8		19.3		6.4		-5.2

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		18.3		-2.9		-4.2		-1.7		8.8		26.4		37.9		42.3		40.6		34.7		24.4		12.9		1.2

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		8.6		-15.2		-16.2		-14.6		-4.7		17.2		30.4		34		33.3		28.6		16.5		3.4		-9.4

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		64.8		34.7		31.6		32.4		36.5		49.3		60.6		64.8		62.1		53.4		41.5		35.2		35.6

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-71.9		-43.6		-48.3		-49		-36.8		-24.7		9.9		23.2		20.3		-6.5		-21.6		-30.8		-71.9

Average Precipitation

Years on Record: 45

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		6.1		0.4		0.3		0.3		0.3		0.3		0.5		0.8		1		0.7		0.5		0.5		0.3

Average Number of Days With Sleet

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14		0.1		0.2		---		0.1		2		4		1		2		2		1		1		0.2

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		14.1		1.8		3.3		3		1.1		1.1		2		3		2.8		2		3.9		3		2.1

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		2		---		---		---		---		---		---		---		---		0.2		---		---		---

Most Precipitation Reported in a Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		1.4		0.5		1.4		1.3		0.5		0.4		1.2		0.9		1.1		0.9		0.7		0.7		1.1

Average Number of Rainy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		56		0.1		0.2		---		0.4		3		9		13		16		11		2		1		0.2

Average No. of Days With Freezing Rain

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16		2		3		2		2		2		0.2		---		0.2		1		1		2		1

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		145		12		13		11		14		16		8		3		5		14		20		16		13

Average Snow Cover

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		2.4		2.8		2.8		2.8		2.4		0.4		---		---		---		0.8		2		2

Deepest Snow Cover Reported

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		16.5		15.7		14.2		14.6		13.4		14.2		9.8		---		0.8		3.9		9.1		16.5		9.1

Avg. No. of Days w/Snowfall Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		125		18		18		14		13		7		1		0.1		0.3		2		13		19		20

Av. # of Days w/Snow Depth Above 0.4in/10mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		207		27		26		30		28		22		3		---		0.1		2		19		26		26

Average Relative Humidity

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		83		79		80		80		81		86		86		88		89		86		81		79		79

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		18772.1		2295.6		2124.4		2267.7		1888.5		1339.2		925.5		832.4		869.6		1000.5		1381.1		1705.5		2142.1

Average Station Pressure

Years on Record: 71

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
inHg		29.7		30.1		30.2		30.2		30.1		30		29.9		29.9		29.9		29.9		29.9		30		26.6

Average Vapor Pressure

Years on Record: 74

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

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.5		---		8.4		13		21		24		24		24		22		14.4		9.7		1.3		---

Average Monthly Sunshine

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		1412.7		0.8		56		190.8		262.7		185.8		241.4		225.8		123.5		74.6		46		5.2		---

Average Number of Days With Fog

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		52		1		1		1		1		5		9		12		12		6		2		1		1

Average Number of Clear Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		27		6		4		5		3		1		1		1		---		---		---		2		4

Average Number of Cloudy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		170		8		7		7		10		20		17		18		22		21		18		14		8

Average Number of Partly Cloudy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		168		17		17		19		17		10		12		12		9		9		13		14		19

Average Number of Days With Smoke/Haze

Years on Record: 30

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

Average Wind Speed

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		10.9		12.7		11.9		9.2		9.8		10.1		10.1		8.5		9.4		10.3		13		15.4		13.9

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.3		---		0.2		1.2		3.3		5.1		6.3		5.6		3.7		1.9		0.5		---		---

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.3		---		0.2		0.8		1.8		2.7		3.5		3.2		1.9		1.1		0.4		---		---

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.6		---		0.8		2.2		4.6		5.4		5.4		4.9		4		3		1.3		---		---

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		---		0.6		1.9		4.7		7.1		7.6		7		5.2		3.1		1.1		---		---

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.3		---		0.2		1.2		3.3		5.1		6.3		5.6		3.7		1.9		0.5		---		---

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		---		0.2		1		2		2.8		3.6		3.3		1.9		1.2		0.4		---		---

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		---		1.2		3.3		6		6.4		6.4		5.5		4.7		3.8		1.6		---		---

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		---		1.1		3.2		6.8		9.4		10.2		8.6		6.5		3.9		1.5		---		---

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		---		0.2		1		2.5		4.4		5.7		4.8		3		1.6		0.4		---		---

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		---		0.1		0.7		1.7		2.6		3.4		3		1.9		1		0.3		---		---

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		---		0.4		1.5		3.2		4.5		4.8		4.2		3.1		2.3		0.9		---		---

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		---		0.3		1.1		2.5		5.6		6.3		5.4		3.4		2.2		0.8		---		---