NORTH QUINCY, ILLINOIS

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.3		-4.1		-0.9		5.3		11.7		17.2		22.2		24.6		23.4		19.2		12.8		5.4		-1.3

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.5		0.4		3.7		10.5		17.3		22.7		27.7		30		28.9		25.1		18.6		10.1		2.9

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6.1		-8.5		-5.6		0.2		6		11.7		16.8		19.2		17.9		13.3		7		0.7		-5.6

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		34.4		8.2		10.4		13.8		21.1		26.8		30.8		34.4		34		28.8		21.6		16.1		7.1

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-16.4		-16.4		-13.6		-3.9		3.1		8.9		14.4		16.3		14.4		9.6		3.2		-4.3		-13.6

Average Number of Days Above 90F/32C

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		45.6		---		---		---		0.1		1.9		9		16.4		13.1		4.8		0.2		---		---

Average Number of Days Below 32F/0C

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		112.1		27.1		23.1		16.9		4.1		0.1		---		---		---		---		2.6		13.7		24.4

Average Number of Days Below 0F/-17C

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.5		3.3		1.6		0.1		---		---		---		---		---		---		---		---		1.5

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		976		35		47		77		96		123		92		98		87		98		82		82		60

Average Number of Days With Precipitation

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		97		7		6		8		10		11		10		8		8		8		7		7		7

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		337		93		131		291		228		337		215		335		258		267		193		284		219

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		2		2		10		22		25		11		24		2		7		9		16		7		4

Most Precipitation Reported in a Day

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		129.3		79.2		68.3		57.1		107.2		106.2		125.2		129.3		127		110.5		94.7		72.1		65.5

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

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		64		4		4		6		7		7		7		5		5		6		5		4		4

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

Years on Record: 77

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

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

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9		---		---		1		1		1		2		1		1		1		1		---		---

Average Snowfall

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		52.3		15		11.4		8.9		2.3		---		---		---		---		---		0.2		2.8		11.7

Most Snow Reported in a Month

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		54.9		44.2		54.9		51.6		33		---		---		---		---		---		9.1		20.3		45.2

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3156.1		693.9		539.4		402.2		205.6		83.3		7.2		0.6		7.2		41.1		176.7		388.9		610

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		607.8		---		---		---		4.4		46.7		123.9		196.1		165		66.1		5.6		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1871.4		---		---		---		50		222.2		366.7		452.9		416.8		275		87.8		---		---

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		14.9		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		14.2		7.1		9.5		13.2		16.8		19.6		21.9		21.9		19.1		16.3		11.6		7.3		6

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		2.8		3.9		5.4		7.1		8.2		8.6		8.2		7.3		5.6		4.2		3.1		2.5

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.8		12		13.1		15.6		17.1		17.9		19.1		19.5		18.6		18.5		15.7		11.4		10.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16		12.1		12.9		14.9		16.2		17.7		20.3		21.2		19.1		19.3		15.8		11.6		10.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.2		7.1		9.5		13.2		16.8		19.6		21.9		21.9		19.1		16.3		11.6		7.3		6

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		5.6		7.3		8.6		9.1		8.8		7.6		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		19.1		14.4		17.2		19.9		20.2		21.5		21.3		21.7		20.8		23.4		18.8		16.7		13.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.6		15.3		18.6		21.7		21.6		25.1		25.4		26.1		23.2		27.9		20.4		19		15

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.4		6		7.6		9.8		13.8		15.3		19		16.9		17.2		12.9		8.8		4.5		4.9

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		2.6		3.5		4.8		6.5		7.5		8		7.6		6.8		4.3		3.8		2.6		2.3

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.1		9.4		9.5		10.8		13.7		14.1		16.7		15.2		16.7		14		10.9		5.8		7.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.3		9		8.2		8.1		10.8		10.7		15.2		12.5		15.5		12.1		9.2		4.4		7.2