HALLAU, SWITZERLAND

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.5		-1.1		0.6		4.1		8.2		12.7		15.9		17.9		17		13.9		9		3.5		---

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.3		1.8		4.6		9		13.4		18.2		21.4		23.9		23.1		20.1		14		6.9		2.6

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.4		-3.7		-2.6		0.1		3.5		7.6		10.8		12.4		11.9		9.1		5.1		0.6		-2.5

Average Number of Days Above 86F/30C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.4		---		---		---		---		0.1		0.9		3.4		1.9		0.1		---		---		---

Average Number of Days Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		42.7		---		---		---		0.1		3.1		8.6		14.6		11.8		4.3		0.2		---		---

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		20.3		8.4		4.2		0.2		---		---		---		---		---		---		---		1.6		5.9

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1073		93		87		79		79		90		102		92		102		71		75		100		102

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		118		12.3		10.5		11.4		11.2		12.6		11.4		10.6		11.1		8.6		8.5		10.5		11.6

Average Number of Days With Frost

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		76.5		24.7		20.6		14.6		4.2		0.4		---		---		---		---		2.1		12.4		22.2

Average Number of Days With Ice

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13.8		8.9		4.9		0.3		0.1		---		---		---		---		---		---		2.1		6.4

Average Relative Humidity

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Percent		78.2		86.8		81.9		76.4		72		70.7		70		69.3		74.4		79.3		84.6		86.4		87.1

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3920.5		598.5		489.7		427.1		296.7		167.9		67.5		6.1		25.8		111.7		272.1		437.5		566.6

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		896		---		---		---		---		90.4		182.5		252.3		232.5		138.3		---		---		---

Average Station Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		965.1		965.9		964		963.8		962		963.5		965.3		966.4		965.9		967.1		966.8		965.2		965.6

Average Vapor Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		9.1		5.3		5.6		6.5		7.8		10.3		12.4		13.6		13.4		11.9		9.5		6.9		5.6

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.5		10.8		12.5		14.2		15.8		16.6		16.2		14.8		13.1		11.3		9.8		9.1

Average Percent of Cloud Cover

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Percent		67		80		72		66		62		63		61		55		58		58		70		79		81

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.3		4.1		6.9		10.6		14.5		17.9		19.2		19.3		16.7		11.9		7.1		4.2		3.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		2.6		3.8		5.8		7.6		9		9.6		9.2		8.1		6.1		3.8		2.6		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		12.1		6.6		10.1		12.7		14.9		16.4		16.7		17.1		16.4		13.5		9.4		6.5		5.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.9		6		8.9		10.7		12.8		15		15.8		16.7		15.2		11.9		8.3		5.5		4.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.3		4.1		6.9		10.6		14.5		17.9		19.2		19.3		16.7		11.9		7.1		4.2		3.2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.2		2.9		4.5		6.4		7.7		9.1		9.7		9.4		8.2		6.9		4.5		3.1		2.4

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.4		8.7		14		17.1		18.1		21.7		19.4		19.4		19.4		19.1		12.4		8.9		6.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.5		7.9		12.5		15.9		17.8		24.5		21.3		21		20.2		19		11.6		7.9		6.2

Minimum 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		3.4		5.2		7.9		10		14.6		14.9		16.6		14.5		8.1		5.1		3.1		2.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		2.2		3.2		5.2		6.8		8.8		9.3		9.1		8		5.3		3.2		2.2		1.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.1		5.2		7.1		8.8		9.8		13.3		13.1		14.8		14		8.5		6.4		4.4		3.6

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.7		4.5		5.9		5.9		5.8		9.6		9.2		12.1		11.2		5.7		5		3.2		2.8