GRAYSON LAKE, KENTUCKY

Average Precipitation

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1098		79		67		89		90		124		103		126		94		74		72		80		99

Average Number of Days With Precipitation

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		129		12		10		12		12		12		11		11		9		8		9		11		12

Most Precipitation Reported in a Day

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm.		157.7		65.5		54.6		54.6		71.1		109.7		82.3		157.7		81.5		58.7		69.1		85.1		86.9

Avg. No. of Days w/Precip. Above 0.1in/2.5mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		83.1		6.5		5.8		7.8		8		9		7.9		7.5		6.4		4.8		5.3		6.9		7.2

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

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		82		7		6		8		8		9		8		8		6		5		5		6		7

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

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29		2		2		2		2		3		3		3		2		2		2		2		3

Avg. No. of Days w/Precip. Above 0.5in/13mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29.6		1.9		1.7		2.6		2.5		3.5		3		3.2		2.6		1.8		1.7		2.5		2.6

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

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10		1		---		1		---		1		1		1		1		1		1		1		1

Most Rain Reported in a Month

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1362		161		192		195		192		235		169		254		204		140		178		183		250

Least Rain Reported in a Month

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		791		14		15		26		21		41		14		75		27		7		6		16		31

Average Snowfall

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		35		13.7		11.2		5.8		---		---		---		---		---		---		---		1		3.3

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4		1.4		1.2		0.5		---		---		---		---		---		---		---		0.1		0.8

Most Snow Reported in a Month

Years on Record: 41

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		121.9		71.1		55.9		40.6		2.5		---		---		---		---		---		---		7.6		16.5

Avg. No. of Days w/Snow Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3.1		1		1		0.4		---		---		---		---		---		---		---		0.1		0.6

Avg. No. of Days w/Snow Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.7		0.3		0.4		---		---		---		---		---		---		---		---		---		---

Avg. No. of Days w/Snow Above 5in/12.7cm

Years on Record: 30

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

Avg. # of Days w/Snow Depth Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.6		2.5		2		0.6		0.1		---		---		---		---		---		---		0.1		1.3

Avg. # of Days w/Snow Depth Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.5		1		1.2		0.1		0.1		---		---		---		---		---		---		---		0.1

Avg. # of Days w/Snow Depth Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.1		0.3		0.7		0.1		---		---		---		---		---		---		---		---		---

Avg. # of Days w/Snow Depth Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.5		---		0.4		0.1		---		---		---		---		---		---		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.4		11.3		12.4		13.7		14.8		15.3		15		14		12.8		11.6		10.6		10

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.8		6.7		9.3		12.9		16.8		18		21.2		20.3		18.2		16.1		12.2		7.7		5.9

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		3.1		4.2		5.7		7.2		8.5		8.8		8.6		7.6		5.9		4.4		3.3		2.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.9		10.2		11.9		14.8		16.9		16.6		18.5		18.2		17.7		17.7		16		11.3		9.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.3		9.7		11.2		13.4		15.6		14.7		18.7		17.9		16.9		17.6		16.1		11.2		9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.8		6.7		9.3		12.9		16.8		18		21.2		20.3		18.2		16.1		12.2		7.7		5.9

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		3.2		4.3		5.8		7.5		8.6		9.1		8.8		7.8		6.3		4.8		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		18.2		12.7		14.2		18.4		19.8		20.3		21.3		20.6		20.5		21		20.3		17		12.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.8		13.2		14.4		18.9		20.5		21.9		24.9		23.1		22.3		23.3		22.6		19.5		13.3

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.3		5.6		6.7		10		13.2		14.3		18.6		18.4		15.7		13.8		8.9		5		5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		3		4.1		5.3		6.8		7.9		8.1		8		7		5.3		3.7		2.8		2.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.7		7.7		7.9		10.9		13.1		13.1		16.4		16.5		15.1		14.8		10.8		6.3		7.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.5		6.7		5.8		8		9.5		9		14.5		14.7		12.4		13.1		8.8		4.7		6.4