CHUR, SWITZERLAND

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.7		0.4		1.5		5.7		9.4		14		16.9		18.9		18.2		14.6		10.6		4.9		1.5

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15		4.7		6.4		11.2		15.1		19.9		22.7		24.8		24		20		16		9.4		5.3

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5.2		-3		-2.4		1.3		4.2		8.6		11.5		13.4		13.3		10		6.2		1.4		-1.7

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		9.9		---		---		---		---		0.4		2.4		4.3		2.7		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		49.8		---		---		---		0.5		4.7		10.8		15.9		13.2		4		0.7		---		---

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		12.5		4.5		2.9		0.3		---		---		---		---		---		---		---		0.9		3.9

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		848.6		50.7		47.2		54.7		49.2		71.2		92.5		108.9		112.3		81.3		56		69.7		54.9

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		104.6		7.3		6.6		8.1		7.5		9.9		11.2		11		11.2		8.4		7		8.5		7.9

Average Number of Days With Frost

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		77.8		24.9		19.7		13		4.7		0.5		---		---		---		---		2.1		13.8		24

Average Number of Days With Ice

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9.9		5.6		2.7		0.6		---		---		---		---		---		---		---		1		5.6

Average Relative Humidity

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		70		74.1		70.4		65.5		63.9		64.6		67.4		68.6		71.3		72.1		71.9		73.8		76.2

Heating Degree Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3785		564.9		463		403		289.2		167.9		74.2		16.4		33.6		112.5		246.3		414.2		555.4

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17.7		---		---		---		---		---		---		17.7		---		---		---		---		---

Growing Degree Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		882.6		---		---		---		---		90.4		175.8		242		224.8		137.5		12.1		---		---

Average Station Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		952.3		954.6		952.9		951.6		948.9		950.5		952.2		953		952.8		953.2		952.9		952.3		953

Average Vapor Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		9		4.7		4.8		5.9		7.2		10.1		12.7		14.6		14.7		12.1		9.3		6.5		5.2

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		14.7		13		11.4		9.9		9.2

Average Monthly Sunshine

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hr		1692.5		96.7		111.8		139.5		147.4		168.9		177.4		202.9		184.9		155.1		134.5		92.9		80.5

Average Possibility of Sunshine

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		51.6		50.9		52.6		51.5		48.8		47.5		49.1		55.6		56.3		56.4		54.8		47.6		45.1

Average Wind Speed

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		9.7		9		9.4		10.4		11.5		10.8		10.1		9.7		9		8.6		8.6		9		9

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		5.2		8.2		12.2		15.6		18.7		19		19.1		16.5		12.3		8.4		5.2		4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.1		3		4.2		6.2		7.7		9		9.5		9.2		8.1		6.2		4.3		3.1		2.5

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.3		9		12.5		15.1		16		17.1		16.5		17		16.2		13.9		11.3		8.3		7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.1		7.9		11.1		13.2		14.3		16.2		15.4		16.2		14.6		12.3		10.4		7.2		6.3

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		5.2		8.2		12.2		15.6		18.7		19		19.1		16.5		12.3		8.4		5.2		4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.4		3.4		4.8		6.7		7.7		9.1		9.6		9.3		8.2		7		5.2		3.5		2.8

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		11.4		15.7		18.9		18.9		19.6		18.7		19.7		18.7		19.6		15.5		10.8		8.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.1		10.1		14.3		17.2		19		20.8		19.8		21.5		19		19.5		15.1		9.5		8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.6		4.2		6.5		10.6		12.7		15.9		15.5		16.4		14.1		7.5		5.7		3.4		3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		2.6		3.6		5.8		7.5		8.8		9.4		9		7.9		5.2		3.4		2.3		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		10.2		6.9		9.2		12.6		12.7		14.5		13.6		14.6		13.6		7.6		7.1		4.8		4.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.9		5.8		8		10.4		9.2		11.6		9.9		11.8		10.3		4.6		5.8		3.6		4