MARATHON, TEXAS

Average Temperature

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		61.7		45.5		48.7		54.9		62.4		69.8		75.4		76.3		75.4		70.5		62.5		52.4		46.4

Average High Temperature

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		77.8		62.2		65.8		72.7		80.2		86.4		90.9		90.4		89.8		84.9		78.6		69.3		63.1

Average Low Temperature

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		45.6		28.8		31.7		37.2		44.7		53.2		60		62.4		61.2		56.5		46.4		35.6		29.8

Highest Recorded Temperature

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		110		88		90		94		100		105		108		105		110		102		101		97		94

Lowest Recorded Temperature

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-6		-6		-3		9		19		32		40		49		43		35		17		---		-3

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		3.8		---		---		---		---		0.8		1.8		0.8		0.3		0.1		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		80.2		---		---		0.3		3.2		11.4		17.9		19.2		17.9		8		1.9		0.2		---

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		180.9		0.1		1.5		6.4		17.9		25.8		28.1		29.9		29.8		24.3		14.3		2.7		0.1

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		267.7		6.6		10.1		19.7		26.6		30.4		29.9		31		31		29.3		27.3		17.4		8.2

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		328.5		19.4		21.1		28.4		29.1		31		30		31		31		29.8		30.4		26.2		21.1

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		354.1		27.5		26		30.5		29.8		31		30		31		31		30		30.8		29.1		27.5

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		363		30.1		27.7		31		30		31		30		31		31		30		31		29.8		30.4

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		364.7		31		28		31		30		31		29.8		30.9		31		30		31		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		294.4		31		28		31		29.9		27.2		14.9		8.3		11.6		22.7		28.9		29.9		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		205.3		31		27.9		29.4		22.7		8.3		0.3		0.1		0.1		5.1		21.2		28.5		30.7

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		139.7		29.2		25.3		20.2		8.2		0.6		---		---		---		0.3		6.5		21.1		28.4

Average Number of Days Below 32F/0C

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		77.9		19.8		15.1		8.9		1.9		---		---		---		---		---		1.5		11.1		19.5

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		19.4		6.5		3.5		1.2		---		---		---		---		---		---		---		1.7		6.5

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		1.4		0.5		0.2		---		---		---		---		---		---		---		---		---		0.7

Average Number of Days Below 0F/-17C

Years on Record: 115

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

Average Precipitation

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		14.8		0.4		0.4		0.4		0.8		1.6		1.9		2.2		2.2		2.4		1.4		0.5		0.5

Average Number of Days With Precipitation

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		44		2		2		2		3		4		5		6		6		6		4		2		2

Most Reported Precipitation in a Month

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		11.1		1.9		3.4		2.2		5.1		7.1		5.5		7.7		8.6		11.1		6		2.8		3

Most Precipitation Reported in a Day

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		4.5		1.4		1.8		1.7		2		4.5		2.5		2.8		2.6		3.1		3		1.6		1.6

Avg. No. of Days w/Precip. Above 0.1in/2.5mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		27.2		1.3		1		0.8		1.5		2.6		4.1		3.7		3.6		3.9		2.6		1		1.1

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

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29		1		1		1		2		3		4		4		4		4		3		1		1

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

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9		---		---		---		1		1		1		2		1		2		1		---		---

Avg. No. of Days w/Precip. Above 0.5in/13mm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10		0.3		0.1		0.3		0.5		1		1.6		1.9		1.4		1.4		1.1		0.2		0.2

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

Years on Record: 115

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

Average Snowfall

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		1.7		0.6		0.3		0.4		---		---		---		---		---		---		---		0.2		0.2

Average Number of Days With Snow

Years on Record: 30

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

Most Snow Reported in a Month

Years on Record: 115

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		22		9.5		5.5		22		0.5		---		---		---		---		---		---		7		7

Avg. No. of Days w/Snow Above 1in/2.5cm

Years on Record: 30

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

Avg. No. of Days w/Snow Above 3in/7.5cm

Years on Record: 30

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

Avg. No. of Days w/Snow Above 5in/12.7cm

Years on Record: 30

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

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2713		637		479		325		124		17		---		---		---		17		118		381		614

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1429		---		---		5		41		182		312		339		329		179		41		2		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4811		26		55		185		376		629		762		804		794		613		394		136		37

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.9		11.6		12.4		13.4		14.1		14.5		14.3		13.6		12.7		11.8		11		10.7

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.2		3.3		4.2		5.5		6.3		6.7		6.7		6.6		6		5.2		4.4		3.7		3.1

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		1		1.2		1.4		1.8		2.1		2.3		2.2		2.1		1.8		1.3		1		0.9

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.5		4.6		5.3		6.2		6.3		6.1		5.9		5.9		5.7		5.5		5.4		5		4.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6		5.2		5.7		6.8		6.9		6.7		6.5		6.5		5.9		5.5		5.7		5.7		5.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.2		3.3		4.2		5.5		6.3		6.7		6.7		6.6		6		5.2		4.4		3.7		3.1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.8		1.1		1.4		1.7		2.1		2.4		2.5		2.4		2.2		1.9		1.6		1.1		1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.4		5.6		6.4		7.3		7.2		6.7		6.4		6.7		6.2		6.2		6.3		5.8		5.4

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		6.8		7.4		8.8		8.9		8.2		7.8		8.4		6.8		6.8		7.2		7		6.6

Minimum 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		2.9		3.7		4.8		5.5		5.6		5.9		6		5.3		4.6		3.1		3.2		2.6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.3		0.8		1		1.1		1.4		1.8		2		1.8		1.9		1.6		1.1		0.8		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		4.7		3.9		4.5		5.3		5.4		5.1		5.3		5.4		5.1		4.8		3.5		4.2		3.6

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.5		4.1		4.4		5.2		5.3		4.6		5.1		5.4		4.7		4.4		2.8		4.5		3.7