DELAWARE, OHIO

Average Temperature

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.4		-2.7		-1.7		3.8		9.8		15.7		20.8		23		21.9		18.3		11.7		5		-0.8

Average High Temperature

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.5		2.1		3.3		9.6		16.4		22.6		27.6		29.9		28.8		25.4		18.7		10.3		3.7

Average Low Temperature

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.3		-7.4		-6.8		-1.9		3.2		8.8		14		16.2		15.1		11.1		4.8		-0.3		-5.3

Highest Recorded Temperature

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		43.3		22.8		22.8		29.4		33.3		36.1		38.9		43.3		41.7		40		33.9		26.7		23.3

Lowest Recorded Temperature

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-33.3		-33.3		-31.7		-22.8		-11.7		-5		0.6		5		2.2		-2.8		-8.9		-20		-32.8

Average Number of Days Above 90F/32C

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.1		---		---		---		0.1		0.9		4.8		8.8		5.8		2.6		0.1		---		---

Average Number of Days Below 32F/0C

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		134		27.4		24.6		21.4		9.5		1.2		---		---		---		0.4		6.4		17.6		25.4

Average Number of Days Below 0F/-17C

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.1		3.2		2.3		0.2		---		---		---		---		---		---		---		---		1.4

Average Precipitation

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		946		70		54		83		87		95		102		102		84		71		60		70		67

Average Number of Days With Precipitation

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		124		11		10		12		12		12		10		10		9		8		9		10		11

Most Reported Precipitation in a Month

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		293		264		161		249		196		236		270		293		243		224		184		266		226

Least Reported Precipitation in a Month

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		13		6		6		21		16		24		7		4		8		---		5		7

Most Precipitation Reported in a Day

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		124		65.8		54.9		71.6		69.8		95		124		82.5		113.5		99.1		98.3		80.5		63.5

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

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		78		7		5		7		8		8		7		7		6		5		5		6		7

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

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25		2		1		2		2		2		3		3		2		2		2		2		2

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

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7		---		---		1		1		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		125.9		11.6		9.8		12		12.2		12.1		10.4		10.1		8.8		8.4		9		10.6		11.2

Most Rain Reported in a Day

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		120		60		50		70		50		90		120		80		110		90		90		80		40

Most Rain Reported in a Month

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1320		260		160		240		190		230		270		290		240		220		180		260		220

Least Rain Reported in a Month

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		500		10		---		---		20		10		20		---		---		---		---		---		---

Average Snowfall

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		61.2		19.1		14.2		9.4		2		---		---		---		---		---		0.2		3.3		12.9

Most Snow Reported in a Month

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		83.8		83.8		75.4		55.1		30.7		---		---		---		---		---		9.7		21.8		44.5

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3432.2		687.2		572.2		461.1		268.3		122.8		19.4		1.1		10		54.4		231.1		408.9		595.6

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		410.6		---		---		---		0.6		31.7		85.6		137.8		114.4		35		5.6		---		---

Growing Degree Days

Years on Record: 106

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1574		---		---		---		---		175.7		323.3		403		370.3		248.3		53.4		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.2		11.2		12.5		13.8		15		15.5		15.2		14.2		12.9		11.6		10.4		9.9

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.5		6.4		9.2		12.1		16.2		18.8		20.5		20.9		18.5		15.6		11.2		6.8		5.3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		2.9		3.9		5.5		7.2		8.4		8.9		8.4		7.4		5.8		4.3		3.1		2.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.7		10.4		12.5		14		16.3		17.2		17.9		18.7		18		17.5		15.1		10.1		8.7

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		10.1		12.2		12.5		15		16.2		17.9		19.3		17.8		17.6		14.9		9.8		8.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.5		6.4		9.2		12.1		16.2		18.8		20.5		20.9		18.5		15.6		11.2		6.8		5.3

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		2.9		4		5.7		7.3		8.6		9.1		8.8		7.7		6.2		4.5		3.2		2.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.6		13		15.6		18.4		19.2		20.2		20.3		20.6		20		19.9		17.9		15		11

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.9		13.4		16.5		19.1		19.8		22.1		23		23.5		21.6		21.6		19.1		16.6		10.9

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		5.4		8		10		13.2		15.9		18.2		16.7		16.7		12.5		8.9		4.5		4.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		2.7		3.7		5.1		6.8		7.8		8.4		8		7		5.4		3.9		2.8		2.5

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		10.3		11.1		13.1		14.6		16		14.9		16.2		13.4		11.2		5.7		6.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.8		7.2		9.2		8.4		9.9		11.6		14		12.2		14.6		11.3		9.6		4.2		5.4