HAVANA, ILLINOIS

Average Temperature

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		53		26.8		29.7		40.8		53.1		63.8		73.1		77.2		75.3		68		56.3		42		30.5

Average High Temperature

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		63.8		35.7		38.9		51.1		64.6		75.6		84.6		89		87.1		80.1		68.2		52		39

Average Low Temperature

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		42.2		17.8		20.4		30.2		41.5		51.9		61.6		65.4		63.5		56		44.4		32		21.9

Highest Recorded Temperature

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		113		72		77		91		93		106		107		113		109		102		93		84		70

Lowest Recorded Temperature

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-26		-25		-26		-15		14		24		36		47		41		25		5		-2		-26

Average Number of Days Above 90F/32C

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		42.4		---		---		---		0.1		2.4		8.6		14.2		11.8		5.3		0.2		---		---

Average Number of Days Below 32F/0C

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		123.5		27.9		24.5		18.9		5.6		0.3		---		---		---		0.2		3.9		16.1		26.1

Average Number of Days Below 0F/-17C

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.6		3.4		2.1		0.2		---		---		---		---		---		---		---		---		1.8

Average Precipitation

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		34		1.9		1.6		2.8		3.6		3.8		3.9		3.6		3.1		3.6		2.3		2.1		1.7

Average Number of Days With Precipitation

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		99		7		7		9		11		11		10		8		7		8		7		7		7

Most Reported Precipitation in a Month

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		13.1		9.7		5.5		7.3		8		9.8		9.7		10.9		9		13.1		12.2		6.8		6

Least Reported Precipitation in a Month

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		---		---		0.3		0.9		0.4		0.4		0.2		0.5		0.1		0.1		---		0.3

Most Precipitation Reported in a Day

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		7.2		3		1.8		4.2		3.1		3.8		4.5		7.2		4.2		3.9		3		2.3		2.8

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

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		66		4		4		6		7		8		7		6		5		6		5		4		4

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

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23		1		1		2		3		3		3		2		2		2		2		1		1

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

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		---		---		1		1		1		1		1		1		1		---		1		---

Average Snowfall

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		21.6		5.6		5		4.4		0.7		---		---		---		---		---		0.1		1.2		4.6

Most Snow Reported in a Month

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		23.5		22.9		14.2		23.5		11.5		---		---		---		---		---		3.5		9.7		15.2

Heating Degree Days

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3503		876		716		456		153		23		---		---		---		8		104		406		761

Cooling Degree Days

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1255		---		---		2		16		91		258		379		322		158		28		1		---

Growing Degree Days

Years on Record: 74

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3576.6		---		---		---		93		427.8		693		843.2		784.3		540		195.3		---		---

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		15.6		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
kWh/m2		3.9		1.9		2.6		3.6		4.7		5.4		6.1		6.1		5.3		4.5		3.2		2		1.7

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		0.8		1.1		1.5		2		2.3		2.4		2.3		2		1.6		1.2		0.9		0.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.4		3.3		3.7		4.3		4.7		5		5.3		5.4		5.2		5.1		4.4		3.1		2.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.4		3.3		3.6		4.1		4.5		4.9		5.7		5.9		5.2		5.3		4.4		3.1		2.9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.9		1.9		2.6		3.6		4.7		5.4		6.1		6.1		5.3		4.5		3.2		2		1.7

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		0.8		1.1		1.6		2		2.4		2.5		2.4		2.1		1.7		1.3		0.9		0.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.3		4.1		4.7		5.6		5.5		6.1		5.9		6.1		5.6		6.5		5.1		4.7		3.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6		4.3		5.1		6.1		5.9		7.3		7.1		7.4		6		7.7		5.6		5.4		3.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.2		1.6		2.1		2.7		3.8		4.3		5.4		4.7		4.8		3.5		2.5		1.2		1.4

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		1		1.3		1.8		2		2.2		2.1		1.9		1.2		1.1		0.7		0.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.3		2.5		2.7		3		3.7		4		4.7		4.2		4.6		3.8		3.1		1.5		2.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.8		2.4		2.3		2.3		2.9		3.1		4.4		3.5		4.2		3.2		2.6		1.1		2