S?NTIS, SWITZERLAND

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-1.2		-6.9		-7.7		-6.3		-3.9		0.7		3.6		6.1		6.1		3.4		1		-3.9		-6.2

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1.4		-4.1		-5		-4.1		-2		2.8		6		8.8		8.9		6		3.7		-1.2		-3.4

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-3.6		-9.6		-10.2		-8.8		-6.2		-1.5		1.3		3.7		3.9		1.1		-1.3		-6.3		-8.8

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18		3		4		4		11		17		17		18		18		15		12		10		5

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-30		-26		-30		-23		-20		-13		-9		-5		-5		-12		-16		-21		-30

Average Number of Days Below 0F/-17C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		157.5		26.1		23.8		24.5		19.7		7.7		4.1		0.8		0.8		3.2		6.2		17.1		23.5

Average Precipitation

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		2740		220		180		180		230		210		270		300		280		210		180		190		220

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		157.3		14.9		13.2		15.1		15.5		16		17.1		16		15.9		11.8		10.4		12.4		13.9

Average Number of Rainy Days

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		33		11		11		---		---		---		---		---		---		---		---		---		11

Average Number of Days With Frost

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		223.5		30.9		28.1		30.5		28.4		22.7		13.4		7.8		7.2		11.3		17		26.8		30.3

Average Number of Days With Ice

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		148.7		27.1		25.2		26.7		22.8		12.5		5		2.1		1.6		3.7		7.1		18.3		23.7

Average Relative Humidity

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		75.2		71.8		71.3		75.8		80.6		81.9		82.9		81		79.6		74.3		66		69.6		68.2

Average Dew Point

Years on Record: 43

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-5		-12		-12		-10		-6		-2		---		2		2		---		-4		-8		-11

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8064.4		843.9		769.1		775		675		559.7		458.3		396.1		387.5		450		585.6		691.7		818.1

Average Station Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		749.3		744.8		743.5		744.6		745.4		749.6		753.2		755.8		755.3		754.7		752.2		747.2		745.5

Average Vapor Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		4.5		2.3		2.2		2.7		3.6		5.1		6.6		7.6		7.4		6		4.4		3.1		2.4

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.6		10.9		12.5		14.2		15.7		16.5		16.1		14.7		13		11.3		9.9		9.1

Average Monthly Sunshine

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		1567		108		126		139		132		143		138		158		155		164		175		124		113

Average Possibility of Sunshine

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Percent		38		39		44		38		34		31		29		33		37		45		53		45		44

Average Wind Speed

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		19.4		25.2		23		22		17.6		15.5		16.6		15.8		14.8		17.3		19.1		22		24.8

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.1		4.9		7.8		11.7		15.3		18.8		20.2		20.2		17.4		12.6		7.8		4.9		3.8

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6		2.9		4.1		6		7.6		9		9.5		9.2		8.1		6.2		4.1		2.9		2.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.2		8.5		11.7		14.2		15.7		17.2		17.5		18		17.1		14.3		10.4		7.7		6.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.2		7.4		10.3		12.2		13.8		16.4		17.5		18.1		16.2		12.7		9.4		6.6		5.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.1		4.9		7.8		11.7		15.3		18.8		20.2		20.2		17.4		12.6		7.8		4.9		3.8

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.3		3.2		4.8		6.5		7.7		9		9.6		9.3		8.2		6.9		4.9		3.4		2.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.3		10.2		15.4		17.9		19.6		21.9		20		20.7		19.7		19.1		13.8		9.8		7.8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.5		9		14		16.4		20		24.8		22.4		23.4		20.6		18.9		13.1		8.8		7.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.4		4		5.5		9.4		11.3		16.1		15.9		17.2		14.2		8.3		5.2		3.2		2.6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		2.5		3.3		5.6		7.3		8.8		9.3		9		8		5.4		3.2		2.2		1.9

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.8		6.5		7.5		10.9		11.1		14.7		14		15.3		13.7		8.7		6.4		4.3		3.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.5		5.4		6.3		8.3		7.2		11.8		10.6		13.1		10.6		5.8		5		3.1		3.1