IRONTON, OHIO

Average Temperature

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.3		1.4		2.4		7.7		13.3		18.4		22.8		24.7		23.9		20.6		14.1		7.6		2.7

Average High Temperature

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		19.9		6.8		8.3		14.4		20.7		25.9		29.8		31.4		30.7		27.6		21.5		13.8		7.9

Average Low Temperature

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.7		-3.9		-3.4		1		5.8		10.8		15.7		17.9		17.3		13.6		6.7		1.3		-2.6

Highest Recorded Temperature

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		41.7		27.2		26.1		33.3		35.6		36.7		38.9		41.7		41.1		39.4		34.4		30		26.1

Lowest Recorded Temperature

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-31.1		-26.1		-21.1		-21.1		-11.1		-3.3		2.8		4.4		5		-2.2		-8.3		-17.2		-31.1

Average Number of Days Above 90F/32C

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		44.8		---		---		---		0.6		3.9		9.8		13.9		11.1		5.4		0.3		---		---

Average Number of Days Below 32F/0C

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		103.3		23		20.3		15.1		5.2		0.4		---		---		---		0.1		3.4		14.2		21.6

Average Number of Days Below 0F/-17C

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.9		1.1		0.5		---		---		---		---		---		---		---		---		---		0.3

Average Precipitation

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1068		91		74		104		92		99		109		117		95		72		62		71		81

Average Number of Days With Precipitation

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		123		12		11		12		11		12		10		11		9		7		8		9		11

Most Reported Precipitation in a Month

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		311		311		195		213		202		226		231		235		238		201		161		184		269

Least Reported Precipitation in a Month

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1		16		9		12		8		14		21		27		15		11		1		5		11

Most Precipitation Reported in a Day

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		108.7		59.2		58.4		78.7		74.2		71.9		93.2		108.7		99.6		74.2		71.6		62.7		80

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

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		84		8		7		8		8		8		8		8		6		5		5		6		7

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

Years on Record: 83

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

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

Years on Record: 83

		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

Average Snowfall

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		38.4		11.9		10.7		5.6		0.5		---		---		---		---		---		---		2.8		6.9

Most Snow Reported in a Month

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		54.1		54.1		49.5		38.4		10.2		---		---		---		---		---		0.8		38.9		40.4

Heating Degree Days

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1422.2		353.9		295		178.9		57.8		7.8		---		---		---		1.7		40.6		170.6		316.1

Cooling Degree Days

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		688.3		---		---		2.2		12.8		55.6		138.9		197.8		175.6		91.7		13.3		0.6		---

Growing Degree Days

Years on Record: 83

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2072.8		---		---		---		98.3		260.1		383.3		454.7		432.3		316.7		127.4		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.3		11.3		12.4		13.7		14.8		15.3		15		14.1		12.8		11.6		10.5		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		13.6		6.5		9.1		12.4		16.5		18		21		20.7		18.4		15.8		11.7		7.2		5.7

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		3		4.1		5.7		7.2		8.5		8.8		8.5		7.5		5.9		4.3		3.2		2.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.8		10.1		12		14.3		16.7		16.5		18.4		18.5		17.8		17.6		15.7		10.7		9

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		11.4		12.8		15.4		14.8		18.5		18.8		17.4		17.6		15.7		10.5		8.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		6.5		9.1		12.4		16.5		18		21		20.7		18.4		15.8		11.7		7.2		5.7

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.9		3		4.2		5.7		7.4		8.6		9.1		8.8		7.7		6.3		4.6		3.3		2.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.7		12.3		14.7		18.9		19.5		19.7		20.8		20.4		20.1		20.2		18.9		15.2		11.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.1		12.7		15.4		19.9		20.2		20.8		24.1		22.9		21.6		22		20.5		16.8		12.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.2		5.5		7.4		9.9		13.6		14.8		18.4		17.8		16.7		13.2		8.5		4.4		4.6

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		2.9		3.9		5.1		6.8		8		8.2		8		7.1		5.4		3.9		2.9		2.6

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		8		9.1		10.9		13.5		13.5		16.2		15.9		16.2		14.2		10.2		5.4		6.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.6		7		7.5		8.1		10.3		9.8		14.1		13.8		14.4		12.3		8.2		3.8		5.9