ALEDO, ILLINOIS

Average Temperature

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		50.4		22.7		26.6		38.2		50.9		61.6		70.9		75		72.9		65.3		53.9		39.9		27.1

Average High Temperature

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		60.9		31.3		35.6		48.2		62.3		73.2		82.1		86.4		84.3		77.1		65.3		49.3		35.3

Average Low Temperature

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		39.9		14		17.6		28.2		39.5		50.1		59.6		63.6		61.6		53.5		42.5		30.4		18.9

Highest Recorded Temperature

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		113		69		72		94		93		103		104		113		106		102		92		81		70

Lowest Recorded Temperature

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-30		-25		-30		-15		10		23		36		44		38		24		9		-6		-22

Average Number of Days Above 100F/38C

Years on Record: 30

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

Average Number of Days Above 90F/32C

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24.9		---		---		---		0.1		1		5		9.5		6.7		2.6		0.1		---		---

Average Number of Days Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		78.4		---		---		0.1		1.7		5.9		17.1		23.1		19.5		9.6		1.4		---		---

Average Number of Days Above 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		145.7		---		---		1.8		7		17.9		27.8		30.3		30		21.6		8.1		1.1		---

Average Number of Days Above 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		195.1		0.2		0.6		5.4		17		27.4		29.9		31		31		28.7		18.6		5		0.4

Average Number of Days Above 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		238		1.3		3		12.7		25.1		30.7		30		31		31		30		27.4		13.7		2.2

Average Number of Days Above 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		279.8		5.4		8.8		22.2		29		31		30		31		31		30		30.6		21.6		9.1

Average Number of Days Below 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		358.3		31		28		31		30		30.9		29.1		27.9		28.8		29.6		31		30		31

Average Number of Days Below 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		301.2		31		28		31		29.7		27.9		15.3		9.7		13.1		24.3		30.3		30		31

Average Number of Days Below 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		237		31		28		30.3		27.6		17.9		2.7		---		1.1		11.8		26.2		29.4		30.9

Average Number of Days Below 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		183.4		30.9		27.8		28.3		18.3		4.6		---		---		---		2		15.1		25.9		30.5

Average Number of Days Below 32F/0C

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		134.8		29.3		25.5		21.2		7.4		0.5		---		---		---		0.3		4.9		18.1		27.7

Average Number of Days Below 20F/-6C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		63		20		14.8		6.6		0.4		---		---		---		---		---		0.1		5		16.1

Average Number of Days Below 10F/-12C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31.4		12.3		8.2		1.8		---		---		---		---		---		---		---		0.7		8.4

Average Number of Days Below 0F/-17C

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12.5		5.9		3.3		0.3		---		---		---		---		---		---		---		0.1		3

Average Precipitation

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		35.2		1.4		1.3		2.5		3.6		4.1		4.5		3.8		3.6		3.8		2.8		2.1		1.7

Average Number of Days With Precipitation

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		96		6		6		8		10		11		10		8		8		8		7		7		7

Most Reported Precipitation in a Month

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		13.4		4.7		4		6.6		10		11.6		12		12.5		12		13.4		10.1		6.2		5.8

Least Reported Precipitation in a Month

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		0.1		0.1		0.1		0.7		0.4		0.1		0.1		0.2		---		---		0.1		0.2

Most Precipitation Reported in a Day

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		6.9		2.2		1.8		2.9		4.9		4.8		3.7		4.1		6.9		5.2		5.2		2.6		2.7

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		70		3.7		4.1		5.5		7.4		8.5		7.3		6.4		6.7		5		5.7		5.1		4.6

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

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		68		4		4		6		7		8		7		6		6		6		5		5		4

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

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24		1		1		2		2		3		3		3		2		3		2		1		1

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		24.8		0.7		0.8		1.9		2.8		2.8		3.3		2.7		2.8		2.3		2		1.5		1.2

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

Years on Record: 111

		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		98		6.8		6		8.8		9.9		10.8		9.6		8.7		8.2		8.1		7.2		7.1		7.1

Most Rain Reported in a Day

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		6.9		2.2		1.7		2.9		4.9		3.5		3.7		4.1		6.9		5.2		5.2		2.6		2.7

Most Rain Reported in a Month

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		55.9		4.7		3		6.6		10		10		12		12.5		12		13.4		10.1		6.2		5.8

Least Rain Reported in a Month

Years on Record: 96

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		19.4		0.1		0.1		0.1		0.7		0.5		0.1		0.1		0.2		---		---		0.1		0.2

Average Snowfall

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		24.3		7.1		5.1		4		0.8		---		---		---		---		---		0.2		1.4		5.7

Most Snow Reported in a Month

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		31		26.9		19.2		18		11		---		---		---		---		---		5		12		31

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6565		1350		1102		861		468		195		28		4		11		117		417		788		1226

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		800		---		---		---		7		44		178		264		217		80		8		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3047		---		1		23		111		328		600		725		671		419		145		23		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		10.1		11.2		12.5		13.9		15.1		15.7		15.3		14.2		12.9		11.5		10.4		9.8

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		2.7		3.6		4.5		5.4		6.1		6.1		5.2		4.4		3.1		1.9		1.6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.7		1		1.5		2		2.3		2.4		2.3		2		1.5		1.2		0.8		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		4.3		3.3		3.8		4.3		4.6		5		5.3		5.4		5.1		5		4.2		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		3.4		3.9		4.1		4.4		5		5.7		5.9		5.2		5.2		4.3		3.1		3

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		2.7		3.6		4.5		5.4		6.1		6.1		5.2		4.4		3.1		1.9		1.6

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		1.5		2		2.4		2.5		2.4		2.1		1.7		1.2		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		5		5.9		5.3		6		6.1		5.9		5.8		6.4		5		4.2		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		4.2		5.4		6.6		5.6		7.2		7.5		7.1		6.5		7.6		5.4		4.7		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		3.1		1.6		2.2		2.9		3.6		3.9		5.3		4.4		4.7		3.2		2.4		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		0.9		1.2		1.9		2		2.2		2.1		1.9		1.2		1.1		0.7		0.6

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		2.8		3.3		3.6		3.6		4.7		3.9		4.5		3.4		3.1		1.6		2.3

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		2.6		2.6		2.7		2.5		4.4		3		4.2		2.7		2.7		1.2		2.2