ROLLA, KANSAS

Average Temperature

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.2		0.8		3		6.8		12.6		17.8		23.1		26		25.1		20.6		14.1		6.7		1.7

Average High Temperature

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		21.3		8.6		11.2		15.3		21.1		25.9		31.3		34.1		33.1		28.8		22.7		14.8		9.3

Average Low Temperature

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5.1		-7.1		-5.1		-1.6		4		9.6		14.9		17.9		17.1		12.4		5.6		-1.4		-5.9

Highest Recorded Temperature

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		43.3		28.3		30.6		32.8		35.6		40		43.3		43.3		42.2		40.6		35.6		32.8		29.4

Lowest Recorded Temperature

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-30		-30		-27.8		-27.8		-13.3		-6.1		0.6		7.2		6.1		-3.9		-14.4		-21.7		-27.8

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		73.2		---		---		---		0.6		4.4		14.7		23		20.1		9.2		1.1		---		---

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		130.4		28.7		24.1		19.3		6.3		0.4		---		---		---		0.2		4.1		19		28.3

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		3.7		1.6		0.8		0.2		---		---		---		---		---		---		---		0.1		1.1

Average Precipitation

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		451		11		15		27		41		62		63		68		60		42		32		16		15

Average Number of Days With Precipitation

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		56		2		3		4		5		7		7		7		6		5		4		3		3

Most Reported Precipitation in a Month

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		259		59		104		127		179		212		259		250		197		183		191		94		130

Least Reported Precipitation in a Month

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		---		---		4		2		3		---		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		172.7		34.5		78.7		64.3		72.4		118.1		149.9		172.7		171.4		155.4		77.5		45.7		70.1

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		37		1		2		3		3		5		5		5		4		3		2		2		2

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		12		---		---		1		1		2		2		2		2		1		1		---		---

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		4		---		---		---		---		1		1		1		1		---		---		---		---

Average Snowfall

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		49.5		9.7		10.9		10.4		1.8		0.2		---		---		---		---		1		4.8		10.7

Most Snow Reported in a Month

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		104.1		41.9		104.1		78.7		35.6		10.9		---		---		---		7.6		22.9		56.9		68.6

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2745		573.9		445		358.3		197.8		71.1		6.7		---		1.1		25.6		153.3		373.9		538.3

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		727.8		---		---		---		6.1		43.3		155		237.8		203.9		78.3		3.3		---		---

Growing Degree Days

Years on Record: 111

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2121.2		---		---		---		76.7		241.1		393.3		496		468.4		318.3		127.4		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.4		11.3		12.4		13.6		14.7		15.2		14.9		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		17.1		9.1		11.8		16.4		20.7		23.6		25.1		25.1		22		18.7		14.3		10.3		8.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		2.9		3.9		5.2		6.5		7.5		7.8		7.4		6.8		5.3		4		3		2.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19		14.7		15.9		19.4		21.1		21.6		21.8		22.2		21.4		21		19.4		16		14

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.3		16.1		17.2		20.5		22.8		24.7		26		26.7		23.9		23.1		21.1		18		15.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.1		9.1		11.8		16.4		20.7		23.6		25.1		25.1		22		18.7		14.3		10.3		8.2

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		3.2		4.4		5.8		7.3		8.4		8.6		8.1		7.5		6		4.7		3.5		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		22.1		19.8		20.8		23.5		23.7		24.1		24.3		23.9		23		23.2		22.4		20.3		16.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		26.9		24		25.1		27.3		28		30.4		32.5		31		27.3		27.1		25.8		24.7		19.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.6		7.6		8.3		13.7		17.7		20.1		22.6		22.7		19.4		16.7		11.6		8		6.6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.5		2.1		3		4.2		5.7		6.5		6.7		6.6		6.2		4.7		3.4		2.3		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		15.6		11.5		10.1		15.7		17.8		18.4		19.8		20.2		18.7		18.4		14.8		11.3		10.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.4		11.3		8.5		14.4		16.9		17.9		21.1		22.1		18.6		18.6		14.1		11.1		10.2