OKLAHOMA CITY, OKLAHOMA

Average Temperature

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		60.2		37		41.8		50		60.2		68.7		77		81.9		81.2		73.1		62		49.3		39.9

Average High Temperature

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		71.2		47.6		53		61.6		71.7		79.2		87.5		93.1		92.6		84.2		73.5		60.4		50.4

Average Low Temperature

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		49.2		26.4		30.7		38.5		48.7		58.2		66.6		70.8		69.8		62.1		50.5		38.3		29.4

Highest Recorded Temperature

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		110		80		92		93		100		104		105		110		113		108		96		87		86

Average Number of Days Above 90F/32C

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		70		---		---		0.1		0.5		2.5		12.1		22.5		22.2		8.9		1.1		---		---

Average Number of Days Above 60F/15C

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		263		6		10		18		26		30		30		31		31		30		28		16		7

Average Number of Days Below 32F/0C

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		76.6		22.5		16.1		8.3		1		---		---		---		---		---		0.5		8.4		19.8

Average Number of Days Below 10F/-12C

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		2		1		---		---		---		---		---		---		---		---		---		1

Average Number of Days Below 0F/-17C

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.5		0.3		0.1		---		---		---		---		---		---		---		---		---		0.1

Average Precipitation

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		33.5		1.2		1.4		2.6		2.9		5.1		4.5		3		2.8		3.7		3.1		1.7		1.5

Average Number of Days With Precipitation

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		81		5		6		7		7		10		9		6		7		7		7		5		5

Most Reported Precipitation in a Month

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		14.7		5.7		4.6		8		7.3		12.1		14.7		11.9		9.9		11.8		13.2		5.7		8.1

Least Reported Precipitation in a Month

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		---		---		0.1		0.2		0.9		0.6		---		---		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		7.6		2.1		2.2		3.5		3.8		5.6		7.6		5.6		4.6		7.5		5.5		2.2		2.5

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

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		51		2		3		5		5		7		6		4		4		5		4		3		3

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

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22		1		1		2		2		3		3		2		2		2		2		1		1

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

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		---		---		1		1		1		1		1		1		1		1		---		---

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		0.9		0.4		0.5		0.6		0.7		1		1.3		1.5		1.5		1.2		0.8		0.6		0.5

Average Number of Rainy Days

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		83		6		6		7		8		10		9		6		7		7		6		5		6

Average Number of Days With Thunderstorms

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		50		1		1		3		5		9		9		6		6		5		3		1		1

Most Rain Reported in a Month

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		46.5		5.7		4.6		7.8		7.3		12.1		14.7		8.4		6.8		11.8		13.2		5.7		8.1

Least Recorded Rainfall

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		17.8		---		---		0.1		0.2		0.9		0.6		---		0.3		---		---		---		---

Average Snowfall

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		8.6		2.8		2		1.4		---		---		---		---		---		---		---		0.5		1.9

Most Snow Reported in a Month

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		16.8		16.8		12		13.9		0.8		---		0.1		---		---		---		0.1		7.5		14

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		66.1		65.7		63.1		62.5		64.1		70.6		70.4		64.1		63.8		68.2		67.4		67.1		67

Average Morning Relative Humidity

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		80		79		78		76		78		84		85		82		81		83		79		78		78

Average Evening Relative Humidity

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		49		53		52		47		46		53		52		45		44		48		46		48		52

Average Dew Point

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		46		25		29		35		45		56		64		66		65		59		48		36		28

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3663		884		648		446		197		43		1		---		---		30		152		482		780

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1907		---		1		7		38		145		360		527		497		271		58		3		---

Growing Degree Days

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4716.8		---		---		---		306		579.7		810		988.9		967.2		693		372		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.6		11.4		12.4		13.6		14.5		15		14.7		13.9		12.8		11.7		10.7		10.3

Average Number of Days With Fog

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		95		11		10		10		8		9		5		4		5		8		7		8		10

Average Number of Clear Days

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		139		11		9		10		9		9		10		15		14		13		14		12		12

Average Possibility of Sunshine

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		68		60		60		65		67		67		75		79		79		73		70		61		59

Average Number of Cloudy Days

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		130		14		12		13		13		12		9		7		7		9		10		11		13

Average Number of Partly Cloudy Days

Years on Record: 44

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		96		6		7		8		8		10		11		9		10		8		7		7		6

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		44.9		49		50.1		52.4		48		52.1		46.6		34.1		36.2		39		39.8		43.8		47.7

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		40		44.3		44.1		46.2		42.2		45.9		39		29.3		31.4		35		36.3		40.6		43.4

Highest Reported Hourly Wind Speed

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		74		47		45		52		67		53		49		74		46		52		43		48		49

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.5		2.6		3.3		4.3		5.4		5.9		6.4		6.8		5.9		4.9		3.8		2.8		2.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		0.9		1.2		1.6		2		2.3		2.3		2.1		2		1.7		1.3		1		0.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.9		4		4.3		5		5.5		5.4		5.6		6		5.7		5.3		4.8		4.1		3.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.2		4.3		4.4		4.9		5.5		5.4		6		7		6		5.5		4.9		4.4		4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.5		2.6		3.3		4.3		5.4		5.9		6.4		6.8		5.9		4.9		3.8		2.8		2.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		1		1.3		1.7		2.1		2.4		2.5		2.4		2.1		1.8		1.4		1.1		0.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6		5.2		5.6		6.1		6.5		6		6.2		6.6		6.5		6.5		6		5.6		4.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7		6.2		6.7		6.8		7.4		6.7		7.5		8.3		7.7		7.5		6.8		6.7		5.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.7		2.2		2.6		3.5		4.5		5.1		5.1		5.9		5.2		3.9		2.8		2.1		1.7

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		0.7		0.9		1.3		1.7		2.1		2.1		1.9		1.7		1.3		1		0.7		0.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.9		3.1		3.1		3.9		4.5		4.7		4.5		5.3		5		4.1		3.3		2.8		2.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.5		3.1		2.6		3.3		3.9		4		3.8		5.3		4.8		3.5		2.7		2.5		2.2