DIXON, ILLINOIS

Average Temperature

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.5		-6.1		-4.2		2.3		9.7		15.7		20.9		23.3		22.2		18		11.4		3.7		-3.4

Average High Temperature

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.3		-1.1		0.9		7.8		16.1		22.2		27.4		29.8		28.7		24.6		17.9		8.9		1.2

Average Low Temperature

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3.6		-11		-9.2		-3.1		3.3		9.2		14.5		16.8		15.7		11.4		4.9		-1.5		-7.9

Highest Recorded Temperature

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		43.3		18.3		21.7		30.6		33.9		40.6		41.1		43.3		39.4		38.9		35		27.2		20

Lowest Recorded Temperature

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-35.6		-35.6		-32.8		-25		-13.3		-4.4		1.1		6.1		2.8		-5.6		-13.9		-22.2		-31.7

Average Number of Days Above 90F/32C

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24.1		---		---		---		0.1		1		4.8		8.9		6.4		2.8		0.1		---		---

Average Number of Days Below 32F/0C

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		143.2		29.7		26.3		23		9.1		0.9		---		---		---		0.4		6.6		19.2		28.1

Average Number of Days Below 0F/-17C

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		15.7		7		4.6		0.4		---		---		---		---		---		---		---		0.1		3.6

Average Precipitation

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		881		40		35		62		83		102		109		96		95		91		67		57		45

Average Number of Days With Precipitation

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		101		8		6		9		10		11		10		8		8		8		8		8		7

Most Reported Precipitation in a Month

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		316		103		104		142		223		284		289		263		316		296		241		191		158

Least Reported Precipitation in a Month

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		5		---		5		9		12		6		4		8		1		1		1		5

Most Precipitation Reported in a Day

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		129		47.5		45.5		56.4		67.1		124		119.1		129		104.1		125.7		118.6		73.7		79.2

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

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		67		4		4		5		7		8		7		6		6		6		5		5		4

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

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26		1		1		2		2		3		3		3		3		3		2		2		1

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

Years on Record: 117

		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		101.8		7.5		6.3		8.7		10.4		11.1		9.7		8.5		8.5		8.7		7.7		7.8		7.3

Most Rain Reported in a Day

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		120		40		40		50		60		120		110		120		100		120		110		70		50

Most Rain Reported in a Month

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1200		100		80		140		220		280		280		260		310		290		240		190		120

Least Rain Reported in a Month

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		460		---		---		---		---		10		---		---		---		---		---		---		---

Average Snowfall

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		79		22.6		16		13.5		2.8		---		---		---		---		---		0.5		4.6		19.1

Most Snow Reported in a Month

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		118.1		118.1		64.3		67.3		39.4		2		---		---		---		---		13.7		41.9		77

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3943.9		813.9		647.8		508.9		290		133.3		20.6		6.1		21.1		74.4		251.1		468.9		707.8

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		382.2		---		---		---		1.7		32.2		76.7		130		109.4		28.9		3.3		---		---

Growing Degree Days

Years on Record: 117

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1582.7		---		---		---		---		177.4		328.3		413.3		378.9		240		44.8		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.1		11.1		12.5		13.9		15.1		15.7		15.4		14.3		12.9		11.5		10.3		9.7

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		6.5		9.5		12.6		16.3		19.4		21.7		21.5		18.5		15.3		10.6		6.6		5.5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		2.6		3.6		5.2		7		8.2		8.6		8.2		7.2		5.5		4.1		2.8		2.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.4		11.9		14.2		15.1		16.7		17.8		18.9		19.1		18.2		17.5		14.7		10.7		10.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.7		12.1		14.4		14.4		15.9		17.8		20.3		20.8		18.6		18.1		14.6		10.8		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		13.7		6.5		9.5		12.6		16.3		19.4		21.7		21.5		18.5		15.3		10.6		6.6		5.5

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		2.6		3.8		5.4		7.1		8.5		9		8.7		7.6		6		4.3		3		2.3

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		14.8		18.2		21.9		19.6		22.9		21.9		21.2		20.7		22.4		17.8		15.3		13.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22		15.8		19.9		25.3		21		28.8		27.3		25.4		23.5		26.5		19		17		14.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.7		5.7		6.5		9.7		12.8		14.7		18.9		16.2		15.9		11.2		8.1		4.4		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		4.8		2.3		3.1		4.1		6.5		6.8		7.7		7.7		6.7		4.4		3.7		2.6		2.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.4		9.7		8.8		10.9		12.8		13.4		16.5		14.5		15.4		12		10.2		6		7.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.5		9.2		6.9		8.5		9.7		10		15.4		11.7		13.7		9.6		8.6		4.8		6.4