MATTYDALE, NEW YORK

Average Temperature

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48		23.8		24.9		33.7		46		57.2		66.7		71.3		69.6		62.2		51.2		40.6		28.8

Average High Temperature

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		57.2		31.7		33.1		42.1		55.9		68		77.2		81.6		79.8		72.2		60.6		48.1		35.8

Average Low Temperature

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		38.8		16		16.8		25.3		36.2		46.5		56.1		61		59.5		52.1		41.7		33.2		21.8

Highest Recorded Temperature

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		102		70		69		87		92		96		100		102		101		97		87		81		70

Lowest Recorded Temperature

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-41		-26		-26		-41		7		15		34		44		40		25		18		1		-26

Average Number of Days Above 90F/32C

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9.2		---		---		---		---		0.3		2		3.7		2.4		0.8		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		133.9		28.2		25.9		23.8		10.6		0.7		---		---		---		0.2		4.1		14.5		25.8

Average Number of Days Below 0F/-17C

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.9		3.7		2.5		0.5		---		---		---		---		---		---		---		---		1.3

Average Precipitation

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		38		2.7		2.5		3.1		3.2		3.1		3.5		3.6		3.5		3.3		3.2		3.3		3

Average Number of Days With Precipitation

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		171		19		16		17		14		13		12		11		11		11		13		16		18

Most Reported Precipitation in a Month

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		15.9		6.3		5.4		6.8		8.1		7.8		15.9		10.1		8.4		8.8		8.3		7.8		6.5

Least Reported Precipitation in a Month

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		0.2		1		0.6		0.7		0.8		0.6		0.6		0.3		1		0.5		0.2		1.2		0.8

Most Precipitation Reported in a Day

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		4.8		2.3		2.3		1.4		2.4		2.4		4.8		4.3		4.2		2.7		3.5		3.6		2.4

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

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		89		8		7		8		8		8		7		7		6		7		7		8		8

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

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21		1		1		2		2		2		2		2		2		2		2		2		1

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

Years on Record: 89

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

Average Number of Rainy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		174.5		19.7		17.1		17.3		14.8		13		11.5		10.9		10.7		11.3		12.5		16.5		19.1

Most Rain Reported in a Day

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		4.8		2.3		2.3		1.5		2.4		2.4		4.8		3.9		3.3		2.5		3.6		3.6		2.4

Most Rain Reported in a Month

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		58.3		6.3		5.4		6.9		8.1		7.4		15.9		9.5		8.4		8.8		8.3		7.8		6.6

Least Rain Reported in a Month

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		27		1		0.7		0.7		1.2		0.6		0.6		0.3		1.2		0.5		0.2		1.2		0.9

Average Snowfall

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		101		26		23.1		15.7		3.6		0.1		---		---		---		---		0.5		8.1		23.9

Most Snow Reported in a Month

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		75.3		72.2		75.3		54.4		16.4		2.1		---		---		---		---		5.7		34.2		72.8

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6803		1296		1131		959		579		258		66		10		25		158		460		748		1113

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		551		---		---		1		4		29		105		203		158		48		3		---		---

Growing Degree Days

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2395.3		---		---		---		---		223.2		501		660.3		607.6		366		37.2		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10		11.1		12.5		14		15.3		15.9		15.5		14.4		12.9		11.5		10.2		9.6

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		1.6		2.4		3.4		4.2		5.1		5.6		5.7		5		3.8		2.6		1.5		1.3

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		0.7		1		1.4		1.9		2.3		2.5		2.3		2		1.6		1.1		0.8		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		3.9		2.8		3.7		4.2		4.3		4.7		4.9		5		4.9		4.3		3.5		2.4		2.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		2.7		3.6		3.9		4		4.5		5		5.2		4.9		4.2		3.3		2.2		2.2

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		1.6		2.4		3.4		4.2		5.1		5.6		5.7		5		3.8		2.6		1.5		1.3

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		0.7		1		1.5		2		2.4		2.5		2.4		2.1		1.6		1.2		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		4.7		3.6		4.9		5.1		5.2		5.6		5.5		5.5		5.6		5.3		4.2		3		3.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.1		3.7		5.4		5.2		5.5		6.4		6.3		6.2		6.4		5.7		4.3		3		3.1

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		1.3		2		3		3.1		3.9		4.7		5		4.5		2.9		1.9		1.1		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		0.7		0.9		1.3		1.8		2.1		2.3		2.3		1.9		1.4		1.1		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		3.1		2.1		2.8		3.6		3.1		3.6		4.1		4.4		4.4		3.2		2.3		1.5		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		2.6		1.8		2.5		3.1		2.2		2.6		3.5		4		4		2.5		1.7		1.2		1.7