WHITE RIVER JUNCTION, VERMONT

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		44.7		18.3		21.3		31.6		43.2		55.4		64.1		69		67.1		58.4		47.1		36.5		24.1

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		55.8		28.8		32.7		42.2		54.8		68.2		76.4		81.4		78.8		69.8		58.1		45		33.2

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		33.5		7.7		9.9		20.9		31.6		42.5		51.7		56.6		55.3		47		36		27.9		14.9

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		84.4		36.6		40.4		48.3		60.7		75.2		81.5		84.4		83		75.1		64.6		52.2		40.8

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-5.9		-3.7		0.3		14.9		26		39.1		47.3		53.4		51.1		41.1		29.5		23.5		-5.9

Average Number of Days Above 90F/32C

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.3		---		---		---		0.1		0.3		1.7		3		1.9		0.3		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		172.4		30.2		27.4		27.5		17.3		5.1		0.1		---		---		1.8		12.4		21.6		29

Average Number of Days Below 0F/-17C

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26.8		10.7		8.1		1.8		---		---		---		---		---		---		---		0.1		6.1

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		36.2		2.8		2		2.6		2.8		3.5		3		3.3		3.5		3.4		3.1		3.2		2.8

Average Number of Days With Precipitation

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		128		11		10		11		11		12		11		10		10		9		9		12		12

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		10		6		6.6		3.6		5.1		8.9		6.5		6		10		7.3		6.5		6.8		7.1

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		0.1		0.5		0.1		0.7		0.7		1.2		1		1.6		1.7		1.6		0.7		1.4		1

Most Precipitation Reported in a Day

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		3.8		1.5		2.2		1.5		1.9		2.5		3.1		3.8		3.8		3.5		3.3		2.2		2.2

Avg. No. of Days w/Precip. Above 0.2in/5mm

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		74		6		5		6		7		7		6		6		6		6		6		7		6

Avg. # of Days w/Precip. Above 0.4in/10mm

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22		1		1		2		2		2		2		2		2		2		2		2		2

Avg. No. of Days w/Precip. Above 1in/25mm

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		---		---		---		---		1		---		1		1		1		---		1		---

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		0.6		0.3		0.3		0.4		0.5		0.7		1		1.1		1.1		0.9		0.6		0.5		0.3

Average Snowfall

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		71.9		19.1		16.9		12		3.5		0.1		---		---		---		---		0.2		4.4		15.7

Most Snow Reported in a Month

Years on Record: 42

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		46.8		44		46.8		37.6		12		3.8		---		---		---		---		3		23.3		41.8

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		71.1		71.4		66		64.8		61.2		65.8		72.9		74.9		76.6		78		74.4		73.2		72.8

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7694		1450		1223		1038		653		308		82		14		34		207		558		858		1269

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		307		---		---		---		---		9		54		138		98		8		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1961.5		---		---		---		---		167.4		423		589		530.1		252		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		9.9		11		12.5		14		15.3		16		15.6		14.4		12.9		11.5		10.2		9.5

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		61.1		65.1		58.8		60.4		59.9		58.3		58.6		57.4		58.2		60.2		62.7		68.1		66.6

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		57.9		62.9		56.3		57.3		57.1		55.5		55		52.5		53.3		56.4		59.4		65.1		63.8

Average Wind Speed

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		4.6		4.5		5		5.2		5.5		5		4.4		4.2		3.8		4.1		4.3		4.5		4.4

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.5		1.7		2.6		3.6		4.4		4.9		5.4		5.3		4.8		3.8		2.5		1.5		1.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.6		0.9		1.4		1.9		2.3		2.5		2.4		2		1.6		1.1		0.7		0.6

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		3.3		4.1		4.7		4.5		4.5		4.7		4.7		4.7		4.3		3.5		2.5		2.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.9		3.3		4.3		4.6		4.3		4.1		4.6		4.7		4.7		4.2		3.3		2.4		2.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.5		1.7		2.6		3.6		4.4		4.9		5.4		5.3		4.8		3.8		2.5		1.5		1.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.7		1		1.4		1.9		2.3		2.5		2.4		2.1		1.6		1.1		0.8		0.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.9		4.1		5		5.9		5.4		5.6		5.5		5.2		5.5		4.8		4.5		3		3.8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.3		4.4		5.5		6.3		5.9		6.5		6.4		5.7		6.1		5.1		4.7		3.1		4.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.9		1.5		2.3		3.1		3.4		3.8		4.4		4.7		4.2		3.2		1.7		1.4		1.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		0.6		0.8		1.2		1.8		2.1		2.3		2.3		1.9		1.5		1		0.7		0.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.2		2.7		3.5		3.9		3.4		3.4		3.9		4.2		4.1		3.5		2.1		2.1		1.9

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.8		2.6		3.4		3.5		2.6		2.4		3.1		3.7		3.6		3		1.6		1.9		1.9