FORT YUMA, ARIZONA

Average Temperature

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		21.9		11.9		14.2		16.9		20.4		24.4		28.8		32.8		32.6		29.4		23.1		16.4		12.4

Average High Temperature

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		30.8		19.9		22.8		25.9		29.9		34.2		38.8		41.2		40.5		38.2		32.3		25.2		20.3

Average Low Temperature

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.1		3.9		5.5		7.8		10.8		14.7		18.9		24.4		24.6		20.7		13.9		7.7		4.7

Highest Recorded Temperature

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		51.1		31.1		33.9		38.3		41.1		46.1		50		51.1		48.3		47.8		43.3		36.7		31.7

Lowest Recorded Temperature

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-7.2		-7.2		-6.1		-2.8		1.1		1.7		10		13.3		11.1		6.1		0.6		-3.3		-5

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		103.4		---		---		---		0.8		6.6		19.8		28.3		26.8		18.1		3		---		---

Average Number of Days Above 90F/32C

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		172.2		---		0.2		2.4		10.5		22.5		28.3		30.7		30.4		28.2		18		1		---

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		231.6		0.6		4.1		13.6		23.2		29.4		30		31		31		29.7		27.9		11		---

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		304.3		13.2		17.7		26.7		29.3		31		30		31		31		30		30.8		24.2		9.4

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		356.3		28.6		26.8		30.9		30		31		30		31		31		30		31		29.7		26.3

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		364.7		31		27.9		31		30		31		30		31		31		30		31		30		30.8

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		365		31		28		31		30		31		30		31		31		30		31		30		31

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		278		31		28		31		30		29.1		19.6		4		2.8		12		29.5		29.9		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		212.8		31		27.9		30.7		26.6		15.4		2.2		---		---		1.8		17		29.1		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		139.1		29.4		24.3		20.4		10		1.4		---		---		---		---		3.4		20.5		29.6

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		37.1		11.3		7.3		2.3		0.3		---		---		---		---		---		0.1		3.2		12.7

Average Number of Days Below 32F/0C

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9.7		4.4		1.9		0.3		---		---		---		---		---		---		---		0.3		2.8

Average Precipitation

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		88		10		8		7		4		1		---		6		14		12		9		5		12

Average Number of Days With Precipitation

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		15		2		2		2		1		---		---		1		2		1		1		1		2

Most Reported Precipitation in a Month

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		139		65		53		41		36		11		9		89		139		129		98		41		100

Most Precipitation Reported in a Day

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		109		37.6		32		21.6		24.9		10.4		8.1		89.2		109		76		63.5		35.3		49.5

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		8.5		1.2		1.1		1.1		0.4		0.1		0.1		0.6		1.3		0.7		0.5		0.3		1.1

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

Years on Record: 87

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7		1		1		1		---		---		---		---		1		1		1		---		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		1.4		0.2		---		---		---		---		---		0.1		0.3		0.2		0.1		0.1		0.4

Most Snow Reported in a Month

Years on Record: 87

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

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1129		305		204		101		31		3		---		---		---		---		10		129		346

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3811		1		6		55		162		380		600		812		821		633		298		43		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8197		173		230		419		581		842		1050		1277		1286		1083		753		365		140

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		11.5		12.4		13.5		14.3		14.7		14.5		13.7		12.7		11.8		10.9		10.5

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.1		11.4		14.4		19.3		23.6		26.5		27.5		25.3		22.1		19.7		15.8		12.6		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		5.2		3.1		4		4.9		5.9		6.6		6.9		7.4		7		5.6		4.3		3.2		2.8

Average 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		17		19.3		22.4		23.8		24.1		23.8		22.5		21.3		21.5		20.2		18.2		16.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.1		19.6		20.9		24.9		27.7		29.7		30.4		26.6		23		23.3		21.9		21.2		19.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.1		11.4		14.4		19.3		23.6		26.5		27.5		25.3		22.1		19.7		15.8		12.6		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		5.8		3.5		4.5		5.5		6.7		7.6		7.8		8.3		7.4		6.1		4.8		3.6		3.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23		19.4		21.2		24.6		25.4		26.3		26.5		24.4		23.8		24.5		21.8		19.7		18.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		28.4		23.4		23.9		28.7		31.1		35.2		37.9		31.6		28.3		29.1		24.6		23.6		23

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.4		10.2		13.1		17.8		21.7		23.8		25.3		22.3		21		18.2		14.4		11.4		9.1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.4		2.6		3.6		4.2		5.2		5.4		5.3		6.4		6.1		4.5		3.9		2.8		2.3

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.7		14.6		17		20.3		21.8		21.7		22.1		19.9		20.2		19.6		17.9		16		13.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20		15.8		17.3		21.3		23.5		24.1		25.8		20.7		20.7		20.1		18.2		17.6		14.5