TILDEN, ILLINOIS

Average Temperature

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.6		0.3		2.2		7.7		13.7		18.8		23.7		25.8		25		21.2		15		7.9		2.1

Average High Temperature

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		19.7		5.2		7.6		13.7		20.1		25.1		30.1		32.3		31.6		28.1		21.9		13.6		6.8

Average Low Temperature

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.6		-4.7		-3.2		1.8		7.4		12.4		17.4		19.3		18.4		14.4		8.1		2.3		-2.7

Highest Recorded Temperature

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		45.6		25		27.8		32.2		34.4		37.2		41.7		45.6		44.4		40.6		35.6		29.4		24.4

Lowest Recorded Temperature

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-30.6		-28.9		-30.6		-21.1		-6.7		-2.2		4.4		8.9		5		-5.6		-7.2		-20		-27.2

Average Number of Days Above 90F/32C

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		50.4		---		---		---		0.1		1.7		9.6		17.2		14.4		6.7		0.6		---		---

Average Number of Days Below 32F/0C

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		96.9		24.3		20.3		13.4		2.8		0.1		---		---		---		0.1		2.4		11.9		21.6

Average Number of Days Below 0F/-17C

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.6		1.4		0.6		---		---		---		---		---		---		---		---		---		0.6

Average Precipitation

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1036		66		60		98		106		113		93		92		89		82		80		85		72

Average Number of Days With Precipitation

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		102		8		8		10		11		10		9		8		8		7		7		8		8

Most Reported Precipitation in a Month

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		383		302		144		327		288		308		275		339		336		209		383		291		269

Least Reported Precipitation in a Month

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		4		6		1		14		13		2		3		2		5		---		5		4

Most Precipitation Reported in a Day

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		159.8		104.7		81.8		132.1		127.5		96.5		115.1		104.4		159.8		79.5		127		105.7		135.9

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

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		69		5		5		7		7		7		6		6		5		5		5		6		5

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

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		27		2		2		3		3		3		2		2		2		2		2		2		2

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

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11		1		---		1		1		1		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		101.9		8.1		7.8		10		10.6		10.4		9		8		7.5		7.6		7.2		7.8		8.2

Most Rain Reported in a Day

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		150		100		80		130		120		90		110		100		150		70		120		100		130

Most Rain Reported in a Month

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1580		300		140		320		280		300		270		330		330		200		380		290		260

Least Rain Reported in a Month

Years on Record: 104

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		590		---		---		---		10		10		---		---		---		---		---		---		---

Average Snowfall

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		37.9		9.7		10.4		6.9		1		---		---		---		---		---		---		2		7.9

Most Snow Reported in a Month

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		64.5		53.9		49.5		64.5		25.4		2.5		---		---		---		---		8.9		22.1		41.9

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2776.1		618.3		477.2		361.7		183.3		71.1		3.9		---		3.3		31.1		150		338.9		537.2

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		690		---		---		---		5.6		53.9		140.6		215		186.7		76.7		11.7		---		---

Growing Degree Days

Years on Record: 116

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2243		---		---		---		111.7		272.1		411.7		490.8		465		336.7		155		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.4		11.3		12.4		13.7		14.8		15.3		15		14		12.8		11.6		10.6		10.1

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.6		7.3		10		13.6		17.4		19.7		21.5		22		19.7		17.1		12.5		8.1		6.5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		3.1		4.1		5.7		7.2		8.3		8.8		8.2		7.3		5.7		4.3		3.3		2.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.9		11.4		13.1		15.7		17.5		18		18.8		19.6		19.1		19.1		16.6		12		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		16.1		11.3		13		14.7		16.6		17.5		19.3		20.9		19.7		19.9		17		12.1		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		14.6		7.3		10		13.6		17.4		19.7		21.5		22		19.7		17.1		12.5		8.1		6.5

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6		3.2		4.3		5.8		7.5		8.6		9.1		8.7		7.8		6.3		4.7		3.5		2.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.8		14.4		15.7		18.2		21.8		21.6		20.7		21.9		20.6		22.6		19.2		16.1		13.1

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		15.8		16.9		18.5		24.4		24.9		23.5		26.2		22.5		26.2		20.8		18		14.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.9		5.9		7.8		10.3		14.4		16.5		17.7		19.4		17		14.2		9.3		5.7		5.3

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		2.8		3.9		5.4		6.3		7.5		8.3		7.5		7		4.8		4		3		2.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.5		8.6		9.5		11.3		14.3		15.2		15.7		17.4		16.4		15.3		11.4		7.3		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		10.7		7.4		8		8.5		11.3		12.2		13		16.3		14.7		13.8		9.5		6		7.1