SEYMCHAN, RUSSIA

Average Temperature

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		12.2		-35.7		-28.7		-13.5		12.6		39.4		56.8		60.5		53.6		39.4		12.4		-18.1		-31.7

Average High Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		21		-27		-18		1		23		47		68		69		64		50		21		-13		-29

Average Low Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		1		-42		-37		-27		-2		29		44		47		41		29		2		-28		-42

Highest Recorded Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		91		1		7		32		52		73		91		90		90		72		63		23		7

Lowest Recorded Temperature

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-72		-72		-69		-62		-36		-4		27		28		16		-4		-36		-62		-71

Average Number of Days Above 90F/32C

Years on Record: 10

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

Average Number of Days Below 32F/0C

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		260.3		31		28		31		29.9		19.8		1.6		0.9		6		20.2		30.9		30		31

Average Number of Days Below 0F/-17C

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		178.5		31		28		28.8		16.7		0.2		---		---		---		0.2		14.4		28.2		31

Average Precipitation

Years on Record: 45

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		12.3		1		0.9		0.6		0.3		0.6		1.2		1.8		1.8		1.2		0.9		1.1		0.9

Average Number of Rainy Days

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		108.9		14		10.8		9.2		6.6		4.7		7		10.5		8		6.6		7.8		11.5		12.2

Average Relative Humidity

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		71		76		73		69		66		60		60		68		72		71		77		77		77

Average Dew Point

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		3		-39		-33		-20		1		25		42		48		44		31		6		-25		-40

Heating Degree Days

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		19566.1		3084.5		2613.1		2418		1635		837		270		217		387.5		765		1658.5		2565		3115.5

Growing Degree Days

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		505.5		---		---		---		---		---		180		248		77.5		---		---		---		---

Average Station Pressure

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
inHg		29.2		29.4		29.4		29.3		29.2		29.1		29		29		29.1		29.1		29.2		29.2		29.3

Average Vapor Pressure

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
inHg		0.1		---		---		---		0.1		0.1		0.3		0.3		0.3		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		13.6		7.1		9.6		12.6		15.9		19.7		22.3		20.4		17.1		13.7		10.6		7.8		6.1

Average Monthly Sunshine

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		1976.8		24.3		83.9		192.6		274.6		285.3		309.9		284.3		211.4		147.6		106.3		51		5.6

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.7		0.2		0.9		2.3		4.1		5.4		5.9		5.4		4		2.5		1.2		0.4		0.1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		0.1		0.6		1.3		2		2.5		2.8		2.6		2.2		1.4		0.8		0.3		0.1

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		0.7		1.9		3.8		5.3		5.3		5		4.8		4		3.4		2.4		1.2		0.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.4		0.6		1.8		3.4		5.2		6.3		6.6		5.9		4.1		3.3		2.1		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		2.7		0.2		0.9		2.3		4.1		5.4		5.9		5.4		4		2.5		1.2		0.4		0.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		0.2		0.6		1.4		2		2.5		2.8		2.6		2.3		1.5		0.8		0.3		0.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		1		2.4		4.7		6.2		6.3		5.9		5.6		5.4		4		2.8		1.4		0.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		0.9		2.2		4.4		6.4		7.5		8.8		7.8		6.5		4.2		2.4		1.3		---

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.2		0.2		0.7		2		3.1		4.7		4.7		4.8		3.2		2		1.1		0.3		0.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.3		0.1		0.5		1.2		1.9		2.5		2.8		2.6		2.1		1.3		0.7		0.2		0.1

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		0.6		1.5		3.1		3.7		4.3		4		4.2		3.1		2.5		2		1		0.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		0.5		1.3		2.7		2.8		4.7		4.1		4.6		2.5		2.1		1.7		1		---