MATTYDALE, NEW YORK

Average Temperature

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.9		-4.6		-3.9		0.9		7.8		14		19.3		21.8		20.9		16.8		10.7		4.8		-1.8

Average High Temperature

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14		-0.2		0.6		5.6		13.3		20		25.1		27.6		26.6		22.3		15.9		8.9		2.1

Average Low Temperature

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3.8		-8.9		-8.4		-3.7		2.3		8.1		13.4		16.1		15.3		11.2		5.4		0.7		-5.7

Highest Recorded Temperature

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		38.9		21.1		20.6		30.6		33.3		35.6		37.8		38.9		38.3		36.1		30.6		27.2		21.1

Lowest Recorded Temperature

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-40.6		-32.2		-32.2		-40.6		-13.9		-9.4		1.1		6.7		4.4		-3.9		-7.8		-17.2		-32.2

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
mm		966		69		62		79		82		79		89		91		88		84		81		85		77

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
mm		404		161		137		174		206		199		404		257		214		224		211		198		166

Least Reported Precipitation in a Month

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		5		25		16		17		21		14		14		8		26		13		5		30		22

Most Precipitation Reported in a Day

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		121.7		58.4		58.7		36.8		61.5		59.9		121.7		109		106.9		67.6		90.2		90.4		59.7

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
mm		120		50		50		30		60		50		120		90		80		60		90		90		50

Most Rain Reported in a Month

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1470		160		130		170		200		180		400		240		210		220		210		190		160

Least Rain Reported in a Month

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		680		20		10		10		30		10		10		---		20		10		---		20		20

Average Snowfall

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		256.5		66		58.7		39.9		9.1		0.2		---		---		---		---		1.3		20.6		60.7

Most Snow Reported in a Month

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		191.3		183.4		191.3		138.2		41.7		5.3		---		---		---		---		14.5		86.9		184.9

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3779.4		720		628.3		532.8		321.7		143.3		36.7		5.6		13.9		87.8		255.6		415.6		618.3

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		306.1		---		---		0.6		2.2		16.1		58.3		112.8		87.8		26.7		1.7		---		---

Growing Degree Days

Years on Record: 89

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1330.7		---		---		---		---		124		278.3		366.8		337.6		203.3		20.7		---		---

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
Mj/m2		12.6		5.6		8.8		12.1		15.2		18.4		20.3		20.3		17.8		13.8		9.2		5.5		4.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		2.5		3.5		5.2		7		8.2		8.8		8.4		7.3		5.7		4.1		2.8		2.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.1		10.1		13.3		14.9		15.6		16.9		17.6		18.1		17.5		15.6		12.5		8.5		8.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		9.7		13.1		13.9		14.3		16.2		18		18.9		17.5		15.2		11.7		7.8		8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.6		5.6		8.8		12.1		15.2		18.4		20.3		20.3		17.8		13.8		9.2		5.5		4.6

Maximum 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		2.5		3.7		5.3		7.1		8.5		9		8.7		7.5		5.9		4.2		2.8		2.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17		12.8		17.7		18.3		18.8		20.3		19.8		19.7		20.3		19		15.1		10.6		11.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.3		13.2		19.3		18.7		19.7		23		22.7		22.2		22.9		20.6		15.4		10.7		11.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.3		4.5		7.2		10.9		11.3		14		17		17.8		16.2		10.6		6.7		4		3.9

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.1		2.4		3.1		4.8		6.6		7.7		8.4		8.1		6.7		5.2		3.9		2.6		2.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.1		7.4		10.2		13.1		11.2		12.8		14.9		15.9		15.7		11.3		8.2		5.5		6.7

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.2		6.4		8.8		11.2		7.7		9.2		12.5		14.4		14.4		8.9		6.3		4.3		6