ALLENDALE, TEXAS

Average Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		17		5		7		12		17		22		26		29		28		24		18		11		6

Average High Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		24		11		14		18		24		28		33		36		36		31		25		17		12

Average Low Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10		-1		---		4		10		15		20		22		21		17		11		4		---

Highest Recorded Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		47		30		33		37		38		40		47		45		45		42		38		31		31

Lowest Recorded Temperature

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-22		-20		-22		-14		-4		2		10		12		11		3		-6		-10		-21

Average Number of Days Above 90F/32C

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		104		---		---		1		2		8		21		27		27		15		4		---		---

Average Number of Days Above 70F/21C

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		236		4		6		14		23		29		30		31		31		29		25		11		4

Average Number of Days Below 32F/0C

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		65		21		13		7		1		---		---		---		---		---		---		7		17

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		2		1		---		---		---		---		---		---		---		---		---		---		1

Average Precipitation

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		710		20		30		40		70		110		80		50		50		80		70		30		30

Average Number of Days With Thunderstorms

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		46		1		1		3		5		9		7		5		5		4		3		2		1

Most Rain Reported in a Month

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1050		110		110		130		210		330		210		300		190		250		200		140		170

Least Recorded Rainfall

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		400		---		---		---		---		---		---		---		---		---		---		---		---

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		85		83		78		78		83		81		79		78

Average Evening Relative Humidity

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		44		48		47		42		42		47		44		38		38		44		43		44		47

Average Dew Point

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8		-2		---		2		8		14		17		18		17		15		10		3		-1

Heating Degree Days

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1851.2		421.9		306.1		206.7		33.3		---		---		---		---		---		---		216.7		370.3

Cooling Degree Days

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1216.8		---		---		---		---		111.9		250		344.4		327.2		183.3		---		---		---

Growing Degree Days

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3052		---		---		51.7		216.7		370.3		500		602.8		585.6		433.3		258.3		33.3		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.7		11.4		12.4		13.5		14.4		14.9		14.6		13.8		12.8		11.7		10.8		10.4

Average Number of Days With Fog

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		77		9		9		8		7		7		4		2		3		6		6		7		9

Average Wind Speed

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		19		20		20		22		22		20		20		19		17		17		19		19		17

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.6		9.7		12.2		16		19.9		21.2		23.3		24.4		21.3		18		13.9		10.4		8.8

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		3.4		4.4		5.8		7		8.2		8.3		7.7		7.2		5.9		4.6		3.6		3.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18		14.2		15.9		18.1		19.9		19.4		20.4		21.7		20.5		19.5		17.6		14.7		13.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.9		15.2		16.1		17.9		20.3		19.5		22.2		24.9		21.7		20.2		18		15.7		14.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.6		9.7		12.2		16		19.9		21.2		23.3		24.4		21.3		18		13.9		10.4		8.8

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.3		3.7		4.8		6.2		7.7		8.7		9.1		8.4		7.7		6.7		5.2		3.9		3.4

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.6		18.8		21.6		22.4		23.2		21.6		23.2		23.2		23.2		22.5		22.3		20.3		17.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.3		22.4		24.7		24.9		26.5		24.1		28.8		28.4		27.3		25.4		25.5		24.6		20.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.5		7.7		9.8		12.4		16.2		18.5		18.4		22		19.1		13.9		9.7		8.3		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		4.9		2.6		3.4		4.8		6		7.7		7.3		7.1		6.2		5.2		3.7		2.6		2.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.1		10.4		12.1		13.5		16.1		17		16.3		19.7		18.3		14.5		11.2		10.8		9.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.5		9.7		10.4		10.8		13.5		14.7		13.6		20.3		17.4		11.9		8.8		10		8.3