ZHAIDIAN, CHINA

Average Temperature

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		57		28		37		49		59		68		78		82		79		70		58		44		33

Average High Temperature

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		68		40		50		61		71		80		89		92		88		80		69		54		44

Average Low Temperature

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		46		17		25		37		47		56		67		73		70		60		47		35		23

Highest Recorded Temperature

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		106		61		70		82		91		99		106		104		102		93		90		75		59

Lowest Recorded Temperature

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		---		---		7		18		23		41		52		63		57		39		28		12		5

Average Number of Days Above 90F/32C

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		68.5		---		---		---		0.8		7		18.9		22.5		16.6		2.3		0.4		---		---

Average Number of Days Below 32F/0C

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		109.3		30.5		24		9.9		1.4		---		---		---		---		---		2		12.7		28.8

Average Number of Days Below 0F/-17C

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.3		0.3		---		---		---		---		---		---		---		---		---		---		---

Average Precipitation

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		20		0.4		0.5		0.6		1.4		1.5		2.5		5.7		5.3		0.8		0.7		0.4		0.2

Average Number of Rainy Days

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		58.8		3.3		3.5		3.1		5.6		6		6.5		11.3		10.8		2.8		2.4		1.3		2.2

Average Relative Humidity

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		62		50		50		56		60		60		56		69		72		70		67		71		65

Average Dew Point

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		42		9		17		31		43		51		59		70		68		57		45		34		20

Heating Degree Days

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4392.9		1131.5		776.9		496		180		---		---		---		---		---		217		615		976.5

Cooling Degree Days

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1609.5		---		---		---		---		93		390		542.5		434		150		---		---		---

Growing Degree Days

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4422.5		---		---		---		270		558		840		1007.5		899		600		248		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.6		11.4		12.4		13.5		14.5		15		14.7		13.9		12.8		11.7		10.8		10.3

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.1		2.9		3.6		4.3		5.2		5.7		5.5		5.2		4.7		3.8		3.4		2.9		2.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		0.8		1.1		1.6		2		2.3		2.5		2.4		2.2		1.8		1.4		0.9		0.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.6		4.7		4.7		4.9		5.2		5.2		4.9		4.7		4.5		4		4.2		4.3		4.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.6		5.3		5.1		4.8		5.1		5		4.5		4.1		3.8		3.4		3.9		4.7		5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.1		2.9		3.6		4.3		5.2		5.7		5.5		5.2		4.7		3.8		3.4		2.9		2.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		0.9		1.3		1.7		2.1		2.4		2.5		2.5		2.2		1.8		1.4		1.1		0.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.5		5.4		5.8		6		5.9		6.1		5.4		5.3		5.4		4.8		5.4		5.4		5.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6		6.4		7		6.6		6.3		7		5.5		5.2		5.5		4.6		5.8		6.5		6.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.4		2.5		2.8		3.7		4.4		4.8		4.8		4.1		3.6		3		2.7		2.3		1.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.7		0.9		1.4		1.9		2.1		2.4		2.4		2.1		1.8		1.2		0.7		0.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.7		3.8		3.6		4.1		4.4		4.4		4.3		3.7		3.4		3.1		3.2		3.2		2.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3		3.9		3.3		3.6		3.7		3.6		3.3		2.5		2.2		2		2.5		3		2.7