IRAAN, TEXAS

Average Temperature

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		19.2		7.9		10.6		14.8		19.8		24.2		28.1		29.1		28.7		25.1		19.8		12.9		8.7

Average High Temperature

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		26.6		15.7		18.6		23.2		28.1		32		35.1		35.7		35.4		31.8		26.9		20.5		16.5

Average Low Temperature

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.7		0.1		2.5		6.5		11.6		16.6		20.9		22.4		21.9		18.4		12.7		5.4		0.9

Highest Recorded Temperature

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		45		31.1		33.3		37.2		39.4		42.8		45		44.4		45		42.2		39.4		33.3		32.8

Lowest Recorded Temperature

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-18.9		-18.9		-18.3		-11.1		-3.3		1.7		6.7		15.6		12.8		3.3		-3.3		-11.1		-14.4

Average Number of Days Above 90F/32C

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		127		---		0.1		1.1		7.5		16.5		25.1		27.9		27.3		17.1		4.4		0.1		---

Average Number of Days Below 32F/0C

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		48.7		16.2		9.1		3.6		0.4		---		---		---		---		---		0.2		4.9		14.3

Average Precipitation

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		357		14		15		13		21		43		44		34		47		50		43		16		16

Average Number of Days With Precipitation

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		43		3		3		2		3		5		4		4		4		5		4		3		3

Most Reported Precipitation in a Month

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		537		63		74		71		111		135		172		185		221		350		537		102		114

Most Precipitation Reported in a Day

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		231.9		42.7		59.4		46.7		91.7		85.1		89.9		76.2		219.5		170.2		231.9		76.7		38.1

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

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		27		2		2		1		2		3		3		2		3		3		3		1		2

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

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6		---		---		---		---		1		1		1		1		1		1		---		---

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

Years on Record: 79

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

Average Snowfall

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		3.8		1.5		0.8		0.2		---		---		---		---		---		---		---		0.8		0.5

Most Snow Reported in a Month

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		22.9		22.9		11.4		5.1		---		---		---		---		---		---		2.5		14		10.2

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1153.9		311.7		206.7		113.9		35		6.7		---		---		---		2.8		26.1		161.7		289.4

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1455		---		1.7		14.4		70.6		183.3		276.7		322.8		303.3		198.9		72.2		11.1		---

Growing Degree Days

Years on Record: 79

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3458.9		---		15.7		149.8		295		440.9		541.7		590.7		578.7		453.3		304.8		88.3		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.8		11.5		12.4		13.4		14.2		14.6		14.4		13.6		12.7		11.8		11		10.6

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.3		11.3		14.2		19.1		22.2		23.9		24.9		24.6		21.8		18.9		15.3		12.5		10.6

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		3.5		4.5		5.3		6.5		7.6		7.9		7.6		7.3		6.1		4.8		3.6		3.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.6		15.8		18.1		21.7		22		21.8		21.8		21.9		20.9		20.2		18.8		17		15.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.4		17.5		18.8		23.5		24.1		24.1		24.9		24.9		21.9		20.8		19.6		19.1		17.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.3		11.3		14.2		19.1		22.2		23.9		24.9		24.6		21.8		18.9		15.3		12.5		10.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.4		4		5		6.3		7.6		8.5		8.7		8.7		7.8		6.8		5.5		4.2		3.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.8		19.1		23.3		25.6		26.4		24.8		23.5		23.5		22.1		22.6		22.8		20.1		19.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		27.2		22.9		27.4		30.5		33.1		31		29.1		28.8		24.4		25.3		26		24.2		23.6

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		9.2		12		15.8		18.5		20.3		22.2		20.4		19.8		15.7		10.9		10.4		8.6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		2.9		3.2		4.1		4.8		6.3		7.2		6.9		6.8		5.4		3.9		3		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		16		12.1		14.7		17.4		18.1		18.6		19.6		18.4		19		16.4		12.4		13.4		11.7

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		11.8		13.7		16.1		16.7		17.4		19.8		17.2		18.1		14.4		9.9		13.4		11.6