ROROS, NORWAY

Average Temperature

Years on Record: 133

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		0.3		-11.2		-9.7		-5.6		-0.7		5.6		10.1		11.4		10.4		6.1		1.7		-5.2		-9.1

Average High Temperature

Years on Record: 133

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5		-6.9		-4.8		-0.5		3.7		10.8		15.8		17		15.9		10.7		5.3		-1.8		-4.9

Average Low Temperature

Years on Record: 133

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-4.3		-16.2		-14.8		-11		-5		0.7		4.9		6.6		5.8		2.4		-1.4		-9.2		-14

Highest Recorded Temperature

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		30		6		7		8		16		23		30		30		27		22		15		10		6

Lowest Recorded Temperature

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-50		-50		-42		-41		-32		-18		-5		-2		-5		-10		-28		-33		-43

Average Number of Days Below 32F/0C

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		231		30		28		30		27		15		4		---		1		10		23		28		30

Average Precipitation

Years on Record: 133

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		504		34		28		29		24		28		52		72		63		54		40		38		42

Average Number of Days With Precipitation

Years on Record: 133

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		112.6		9.4		7.7		7.3		6.5		7		9.3		11.8		11.2		11.6		9.8		9.8		11.2

Average Number of Rainy Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		55		4		3		3		2		3		5		7		7		5		4		3		4

Average Relative Humidity

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		79		86		84		81		77		69		68		70		74		78		83		88		89

Average Dew Point

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-4		-13		-13		-10		-5		-1		2		5		5		1		-2		-7		-11

Heating Degree Days

Years on Record: 133

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7245.2		916.2		792.6		742.3		571.7		394.4		246.7		215.3		246.3		366.7		514.9		706.7		850.8

Growing Degree Days

Years on Record: 133

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		58.5		---		---		---		---		---		3.3		43.1		12.1		---		---		---		---

Average Sea Level Pressure

Years on Record: 133

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		1011.2		1011.2		1013.6		1010.6		1012.8		1014.5		1011.9		1010.8		1011.4		1010.1		1010.7		1008.6		1008.4

Average Station Pressure

Years on Record: 133

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		935.9		933.3		935.7		933.9		937		940.3		939		938.3		938.6		936.2		935.5		932.1		931.1

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.6		7.2		9.7		12.6		15.9		19.7		22.3		20.4		16.9		13.7		10.6		7.8		6.2

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.6		0.6		2.5		6.6		12.8		17.9		18.7		16.8		13.2		8.6		3.8		1.1		0.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		0.5		1.7		4.2		7		8.9		10		9.3		7.8		4.9		2.5		0.8		0.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.5		1.8		5		10		14.7		16.6		15.9		14.7		13.2		11.4		6.8		3		0.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.5		1.5		4.3		8.3		14.4		19.3		18.5		15.9		12.4		11		6.1		2.7		---

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.6		0.6		2.5		6.6		12.8		17.9		18.7		16.8		13.2		8.6		3.8		1.1		0.2

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		0.5		2		4.5		7		9		10.1		9.5		7.9		5.3		2.8		0.9		0.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.8		2.3		6.8		13.1		17.3		19.3		19.4		18.4		17.8		14		8.5		3.7		1.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		1.9		6.2		11.6		18		25.1		26.9		23.9		20.4		14.4		8		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		0.5		1.9		5		10.6		15.8		15.4		14.4		11.5		7.2		3.2		1		0.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.6		0.4		1.4		3.7		6.8		8.8		9.8		9.1		7.6		4.5		2.2		0.8		0.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.5		1.3		3.2		6.2		11.2		14.5		13.1		12.5		11.2		8.8		5.2		2.6		0.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		1.1		2.6		4.5		9.4		15.2		12.1		11.2		8.9		7.6		4.5		2.3		---