OOLOGAH, OKLAHOMA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.1		2.2		4.1		9.2		14.9		19.8		24.4		27.7		27.3		22.4		15.8		9.7		3.4

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		20.6		7.3		9.9		15.1		20.5		24.8		29.4		32.7		32.9		27.8		21.7		15.4		8.7

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.7		-3.1		-1.7		3.3		9.3		14.8		19.4		22.6		21.7		16.9		9.9		4.1		-1.9

Highest Recorded Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		42.8		23.9		30.6		33.3		38.3		33.3		37.8		42.8		42.2		40		35.6		31.7		26.1

Lowest Recorded Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-23.9		-23.9		-22.2		-16.7		-8.9		1.7		8.9		7.8		10.6		1.7		-6.7		-13.9		-22.2

Average Number of Days Above 100F/38C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3.7		---		---		---		---		---		---		1.2		2.5		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		47.4		---		---		---		0.7		0.3		5.2		19		18.4		3.8		---		---		---

Average Number of Days Above 80F/26C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		123.3		---		---		0.5		3		11		24.8		30.4		29.8		19.1		4.7		---		---

Average Number of Days Above 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		194.1		0.7		2.5		6.2		15.3		26		30		31		31		28.4		17.4		5		0.4

Average Number of Days Above 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		250.6		4.9		6.6		15.5		24.7		30.7		30		31		31		30		26.9		15.2		4.1

Average Number of Days Above 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		300.2		11.3		12.6		24.1		29.2		31		30		31		31		30		30.9		24.8		14.4

Average Number of Days Above 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		337.2		19.7		21		29.5		30		31		30		31		31		30		31		29.4		23.5

Average Number of Days Below 70F/21C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		310		31		28		31		29.8		30.7		22.5		7.4		11.2		26.5		30.9		30		31

Average Number of Days Below 60F/15C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		235.9		31		28		30.7		27.8		18		1.5		---		0.4		10.6		26.9		30		31

Average Number of Days Below 50F/10C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		180.4		30.7		27.8		28		16		3		---		---		---		1.7		16		26.6		30.6

Average Number of Days Below 40F/4C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		125.6		29		24.8		19.2		5.7		0.1		---		---		---		---		3.1		16.4		27.3

Average Number of Days Below 32F/0C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		76.6		22.4		18.8		7.6		0.7		---		---		---		---		---		0.4		6.2		20.6

Average Number of Days Below 20F/-6C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		18.4		7.3		4.1		0.8		---		---		---		---		---		---		---		0.4		5.7

Average Number of Days Below 10F/-12C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.5		1.7		0.2		---		---		---		---		---		---		---		---		---		0.6

Average Number of Days Below 0F/-17C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.7		1.3		0.1		---		---		---		---		---		---		---		---		---		0.3

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1027		30		48		75		102		130		122		70		99		121		97		88		47

Average Number of Days With Precipitation

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		85		5		6		7		9		10		9		7		6		8		6		6		6

Most Reported Precipitation in a Month

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		329		88		92		212		208		284		329		282		189		249		265		174		106

Least Reported Precipitation in a Month

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		2		2		2		9		30		27		10		4		6		10		4		7		3

Most Precipitation Reported in a Day

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		155.4		50.8		47.5		48.3		99.1		70.4		87.4		151.1		155.4		116.3		104.1		94		60.2

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

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		58		3		3		5		6		8		6		5		5		6		4		4		3

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

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25		1		1		2		2		4		3		2		2		3		2		2		1

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

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10		---		---		1		1		2		1		1		1		1		1		1		---

Average Snowfall

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		22.1		5.1		6.9		4.6		0.2		---		---		---		---		---		---		0.5		4.8

Most Snow Reported in a Month

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		34.3		34.3		29.2		29.2		3.3		---		---		---		---		---		---		4.8		27.9

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3902		904		717		516		217		43		1		---		---		18		187		467		832

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1792		---		---		4		31		125		328		519		499		237		47		2		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4820		12		25		103		289		548		777		984		963		669		336		100		16

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.5		11.3		12.4		13.6		14.6		15.1		14.8		13.9		12.8		11.7		10.7		10.2

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.7		8.6		11.2		14.9		18.6		20.5		22		23.6		20.9		17.4		13.2		9.3		7.7

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		3.2		4.2		5.7		7.1		8.3		8.6		7.9		7.2		5.9		4.5		3.4		2.9

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17		13		14.5		17.1		18.7		18.8		19.3		21		20.2		19		17.2		13.5		12.2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.6		13.6		14.8		16.5		18.4		18.6		20.1		23.7		21.5		19.6		17.6		14.2		12.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.7		8.6		11.2		14.9		18.6		20.5		22		23.6		20.9		17.4		13.2		9.3		7.7

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.2		3.4		4.5		6		7.6		8.6		9.1		8.6		7.7		6.5		5		3.7		3.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.9		18.2		18.7		21.7		23.4		21.8		22		22.9		22.8		23.1		21.7		19		15.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.4		21.5		21.5		24.1		27.4		24.8		26.2		28.3		26.8		26.9		24.7		22.6		18.3

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.8		7.3		8.5		12.6		14.8		16.1		18		20.9		18.7		13.7		10.6		7.2		5.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		2.5		3.6		4.8		5.8		7.5		7.8		7.1		6.3		4.8		3.6		2.7		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		13.5		10.3		10.1		14		14.7		14.8		16		18.7		18		14.5		12.9		9.5		8.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.8		9.8		8.5		11.8		11.6		11.3		13.2		18.6		17.1		12.2		11.3		8.5		7.3