HAZELWOOD, MISSOURI

Average Temperature

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.4		-0.8		1.7		7.1		13.6		19		24.1		26.3		25.4		21.1		14.7		7.6		1.3

Average High Temperature

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		18.7		3.9		6.7		12.5		19.4		24.7		29.6		31.7		30.9		26.8		20.4		12.6		5.8

Average Low Temperature

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.1		-5.5		-3.3		1.6		7.8		13.4		18.7		21		19.9		15.3		8.9		2.6		-3.1

Highest Recorded Temperature

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		46.1		25		29.4		31.7		33.9		36.7		40.6		46.1		41.7		40		34.4		29.4		24.4

Lowest Recorded Temperature

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-27.8		-27.8		-24.4		-20.6		-5.6		-0.6		6.1		10.6		8.3		2.2		-5		-17.2		-26.7

Average Number of Days Above 90F/32C

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		42.9		---		---		---		0.3		1.5		8.9		14.9		12.4		4.5		0.3		---		---

Average Number of Days Below 32F/0C

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		95.8		25.6		20.3		13.3		2.1		---		---		---		---		---		1.2		10.7		22.5

Average Number of Days Below 0F/-17C

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.5		1.5		0.4		---		---		---		---		---		---		---		---		---		0.6

Average Precipitation

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		953		53		55		85		91		105		102		102		70		74		73		80		62

Average Number of Days With Precipitation

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		110		9		8		11		11		11		10		9		8		7		8		9		9

Most Reported Precipitation in a Month

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		328		229		127		213		262		328		314		322		164		248		314		253		199

Least Reported Precipitation in a Month

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		2		6		21		25		20		11		15		2		---		5		3		1

Most Precipitation Reported in a Day

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		142		105.7		59.9		62.5		121.7		142		100.3		118.9		68.1		116.3		67.8		80		70.1

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

Years on Record: 70

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

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

Years on Record: 70

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

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

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10		---		---		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		115.9		8.5		8.2		11.2		11.5		11		9.6		8.9		7.9		7.6		8.1		9.2		9

Most Rain Reported in a Day

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		140		100		50		60		120		140		100		110		60		70		60		80		70

Most Rain Reported in a Month

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1390		200		120		190		260		320		260		320		160		230		180		250		190

Least Rain Reported in a Month

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		520		---		---		20		20		20		10		10		---		---		---		---		---

Average Snowfall

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		46.7		13.5		10.7		9.4		1		---		---		---		---		---		---		3		9.1

Most Snow Reported in a Month

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		66.8		60.7		52.8		56.6		16.5		1.5		---		---		---		---		---		28.7		66.8

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2643.3		609.4		468.9		340.6		163.3		43.9		3.3		---		0.6		25.6		136.7		323.9		527.2

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		867.2		---		---		3.9		17.8		63.3		175.6		256.1		220		108.9		20		1.7		---

Growing Degree Days

Years on Record: 70

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2272.1		---		---		---		108.3		279		423.3		506.3		478.8		331.7		144.7		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.3		11.3		12.4		13.7		14.8		15.4		15.1		14.1		12.8		11.6		10.5		10

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.3		7		9.4		13.2		17		19.6		21.5		22.2		19.5		16.7		12.1		7.6		6.2

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		4		5.5		7.1		8.3		8.8		8.2		7.3		5.7		4.3		3.2		2.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.7		11.2		12.5		15.3		17.2		18		18.8		19.8		18.9		18.8		16.2		11.5		10.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.8		11.1		12.2		14.3		16.2		17.5		19.4		21.6		19.5		19.6		16.5		11.6		10.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.3		7		9.4		13.2		17		19.6		21.5		22.2		19.5		16.7		12.1		7.6		6.2

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		3		4.2		5.7		7.4		8.6		9.1		8.8		7.7		6.3		4.6		3.3		2.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.7		14.4		15.6		18.5		20.7		21.4		20.9		21.7		20.6		22.8		18.7		16.3		12.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.9		15.8		16.3		19.2		22.4		24.7		24.2		26		22.7		26.6		20.1		18.5		13.8

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		5.7		6.8		9.1		14		15.8		18.9		18.2		16.8		13.1		9.1		4.6		5.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.2		2.7		3.8		5.2		6.5		7.5		8.2		7.6		6.9		4.6		4		2.8		2.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.9		8.6		8.2		9.8		13.9		14.5		16.7		16.3		16.2		14		11.3		5.9		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		7.5		6.4		6.8		10.9		11.2		15		14.5		14.5		12.1		9.6		4.3		7.3