TOPAWA, ARIZONA

Average Temperature

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		20.2		10.8		12.4		14.6		18.6		22.8		28.2		30.3		29		27.4		21.6		15.3		11.3

Average High Temperature

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		28.9		18.9		20.7		23.2		27.9		32.6		37.9		38.4		36.7		36.1		30.7		23.9		19.5

Average Low Temperature

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.5		2.7		4.1		5.9		9.4		13		18.3		22.3		21.3		18.7		12.5		6.5		3.2

Highest Recorded Temperature

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		46.7		31.7		33.3		36.1		38.9		43.3		46.1		46.7		45		44.4		39.4		36.7		30.6

Lowest Recorded Temperature

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-15.6		-12.2		-7.2		-7.8		-1.7		-0.6		1.7		12.2		6.1		6.7		-2.8		-5.6		-15.6

Average Number of Days Above 90F/32C

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		151.8		---		0.1		0.3		6.2		18.9		27.9		29.3		28.2		26.4		13.6		0.8		---

Average Number of Days Below 32F/0C

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21.4		7.2		4.1		1.3		0.1		---		---		---		---		---		0.1		1.9		6.6

Average Precipitation

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		299		20		16		19		9		4		8		65		65		31		22		16		25

Average Number of Days With Precipitation

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37		3		3		3		1		1		1		8		7		3		2		2		3

Most Reported Precipitation in a Month

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		208		82		84		77		46		26		55		208		141		172		152		98		184

Least Reported Precipitation in a Month

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		---		---		---		---		6		5		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		103.6		45.7		42.2		38.4		25.1		26.4		50.8		73.7		62.2		103.6		68.6		40.6		71.1

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

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25		2		2		2		1		---		1		5		5		2		2		1		2

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

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		1		---		---		---		---		---		2		2		1		1		---		1

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

Years on Record: 99

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

Average Snowfall

Years on Record: 99

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

Most Snow Reported in a Month

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		12.7		11.4		0.8		12.7		---		---		---		---		---		---		---		---		---

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2640.6		481.7		383.9		350		237.2		125.6		27.8		0.6		2.2		35		173.9		350		472.8

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		412.2		---		---		---		2.2		15.6		73.9		145.6		123.3		46.7		5		---		---

Growing Degree Days

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3769.1		25.8		69.1		142.9		258.3		396.1		545		628.6		589		521.7		358.2		160		41.3

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		14.3		14.7		14.4		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		19.3		12.2		15.2		20.5		24.9		26.6		26.5		23.5		20.9		19.7		16.5		13.4		11.1

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		3.9		4.5		5.4		6.6		7.4		8		7.5		5.7		4.2		3.1		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		21.1		18		20.3		23.8		25		24.1		23		20.9		20.1		21.2		20.9		19.1		17.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.2		21.1		22.4		27.3		30.2		29.6		28.1		22.8		20.4		22.9		23.1		22.7		20.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.3		12.2		15.2		20.5		24.9		26.6		26.5		23.5		20.9		19.7		16.5		13.4		11.1

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		3.7		4.6		5.4		6.4		7.8		8		8.5		7.7		6.3		4.9		3.5		3.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.5		20.7		23.2		25.9		27		25.5		24.7		22.4		21.8		25.1		24.5		21.2		19.8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		28.7		25.7		27.2		31.1		34.5		33		32.5		26.1		23.9		30.1		29.1		26.2		24.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.4		10.3		13.2		18.5		22.6		23.3		24.9		21.6		19.9		17.9		14.7		12.5		9.9

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		2.4		3.2		3.8		4.5		5.9		6.5		7.5		6.9		4.4		3.2		2.6		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		18.8		14.4		16.8		21.1		22.6		21.3		21.8		19.3		19		19.1		18		17.5		14.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.9		15.4		16.9		22.4		25.1		23		24.9		19.3		18.4		19		18.3		20.1		16