PHOENIX, ARIZONA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		75.1		56.4		59.7		65.2		72.7		82.1		90.8		94.8		93.6		88.4		76.7		64.1		55.4

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		86.7		67.2		70.7		76.9		85.2		94.8		103.9		106.1		104.4		99.8		88.5		75.5		66

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		63.5		45.6		48.7		53.5		60.2		69.4		77.7		83.5		82.7		76.9		64.8		52.7		44.8

Highest Recorded Temperature

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		122		88		92		100		105		113		122		121		117		118		107		96		88

Lowest Recorded Temperature

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		17		17		22		25		32		40		50		61		60		47		34		25		22

Average Heat Index Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		75.2		55.7		59.4		65.4		73.2		82.9		91.5		95.6		94.2		88.5		76.4		63.7		54.9

Average Wind Chill Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		74.9		55.1		58.9		65.2		73.2		82.9		91.5		95		93.4		88.2		76.4		63.5		54.2

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		103.3		---		---		0.1		0.7		7.5		23.3		27.7		26		16.1		2.1		---		---

Average Number of Days Above 90F/32C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		168.8		---		0.1		1.5		9.7		23.6		29.4		30.8		30.6		27.9		14.4		0.9		---

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		225.1		0.6		3.4		12		21.9		29.7		29.9		31		30.9		29.8		26.3		9.4		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		292.1		10.6		14.5		24.1		28.1		30.9		30		31		31		30		30.3		22.2		9.3

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		351		26.4		25.8		30.3		29.9		31		30		31		31		30		31		29.3		25.4

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		364.4		30.8		27.8		31		30		31		30		31		31		30		31		30		30.7

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		224.2		31		28		30.9		28.1		15.8		2.2		0.1		0.1		3.3		23.7		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		166.5		30.9		27.7		27.2		14.3		2.1		---		---		---		0.1		7		26.3		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		87.1		24.3		16.7		7.9		1.8		---		---		---		---		---		0.6		9.8		26

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		13.1		4.7		1.3		0.2		---		---		---		---		---		---		---		0.9		6

Average Number of Days Below 32F/0C

Years on Record: 30

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

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		8		0.9		0.9		1		0.3		0.1		---		1.1		1		0.6		0.6		0.7		0.9

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		36.6		4.1		4.4		3.9		1.7		1		0.5		4.2		5		2.8		2.5		2.6		3.9

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		18.7		2.4		2.2		2.2		0.8		0.4		0.1		2.2		2.2		1.3		1.3		1.4		2.2

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		4.5		0.5		0.4		0.6		0.1		---		---		0.6		0.7		0.3		0.3		0.4		0.6

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

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.3		0.1		0.1		0.2		---		---		---		0.3		0.1		0.2		0.1		0.1		0.1

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		0.7		0.4		0.4		0.4		0.5		0.6		0.7		1.2		1.3		1		0.7		0.5		0.4

Average Number of Rainy Days

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		36		4		4		4		2		1		1		4		5		3		3		3		4

Average Number of Days With Thunderstorms

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24		---		1		1		1		1		1		6		7		4		1		1		---

Most Rain Reported in a Month

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		15.2		5.2		2.2		3.2		1.9		1.1		1.7		5.1		5.6		3.4		4.4		3		4

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

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		33.4		45.6		43.9		37.7		26.2		20.6		17.9		29.1		34.6		31.1		31.4		36.7		46.2

Average Morning Relative Humidity

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		52		68		63		57		45		37		33		46		53		50		52		59		66

Average Evening Relative Humidity

Years on Record: 48

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		24		34		28		25		17		14		12		21		24		23		23		28		35

Average Dew Point

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		40.4		32.9		34		34.5		32.8		35.3		39.3		55.1		59		52		41.8		35.1		32.8

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		935		269		163		81		20		1		---		---		---		---		6		97		298

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4608		2		15		87		251		531		774		924		885		700		367		70		1

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9176		209		275		472		681		995		1224		1389		1350		1150		826		424		181

Average Sea Level Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
InHg		29.9		30.1		30		29.9		29.9		29.8		29.7		29.8		29.8		29.8		29.9		30		30.1

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		14.4		14.8		14.6		13.8		12.8		11.7		10.9		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		7		2		1		1		---		---		---		---		---		---		---		1		2

Average Number of Clear Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		211		14		12		14		17		21		23		17		18		22		20		18		15

Average Possibility of Sunshine

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		86		78		80		84		89		93		94		85		85		89		88		84		78

Average Number of Cloudy Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		70		10		9		9		6		3		2		4		4		3		5		6		10

Average Number of Partly Cloudy Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		85		7		7		8		7		7		5		10		9		5		6		6		6

Average Percent Chance - Clear Skies

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		37.9		34.9		29		35		42.4		47.2		54.2		23		21.4		42.5		47.1		42.6		35.1

Average Percent Chance - Scattered Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		13.5		11.2		11.4		11.8		11.3		12.1		12.1		20.2		21.7		15.9		12		10.4		11.1

Average Percent Chance - Few Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		17.2		15.1		15.3		16.9		18.4		17.6		17		17.9		19.6		19.5		17		16.6		15.6

Average Percent Chance - Broken Clouds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		21.6		22.7		25.7		22.3		19.4		17.8		13.6		31.9		29.1		16.9		17.9		19.6		22.3

Average Percent Chance - Overcast Skies

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		9.8		16.2		18.6		14		8.5		5.3		3.1		7		8.2		5.1		6		10.9		15.9

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		30.9		36.7		42.3		33.2		25.3		21.5		18.2		37		39.5		26.7		25		29.1		36.4

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		24.1		29		32.8		26.6		18.2		13.7		13.3		29.1		32.2		22.1		20.6		23		29.1

Average Wind Speed

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		6.1		5.1		5.6		6.4		7		7		6.7		7		6.7		6.2		5.5		5		4.8

Highest Reported Hourly Wind Speed

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		54		43		38		43		51		44		45		51		54		39		37		35		43

Average Percent Chance - Calm Winds

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		11.2		16.5		12.7		10		8.3		7.5		8.1		6.8		7.3		9.8		12.9		16.7		17.7

Average Primary Wind Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		208.4		180.7		192.4		202		221.2		233.3		239.9		239.8		218.5		205.6		193.4		188.5		184.2

Average Secondary Wind Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		226.7		214		210.8		220.9		231.9		244.1		253.2		233.8		233.1		230.1		220.6		216.1		211.4

Average Wind Vector Direction

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		166		141.2		155.6		166.8		182.2		192		192.9		186.8		168.3		160.9		153.1		149.8		142.7

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.5		3.3		4.1		5.5		7		7.7		7.8		7		6.2		5.8		4.6		3.6		3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		0.8		1.1		1.3		1.4		1.7		1.9		2.1		1.9		1.4		1.1		0.8		0.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6		4.9		5.5		6.5		7.1		7		6.8		6.2		6		6.4		6		5.3		4.8

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7.1		5.7		6.1		7.4		8.8		9.1		8.8		7.3		6.6		7.3		6.8		6.3		5.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.5		3.3		4.1		5.5		7		7.7		7.8		7		6.2		5.8		4.6		3.6		3

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		1		1.3		1.6		1.8		2.1		2.2		2.3		2.1		1.6		1.3		0.9		0.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.8		5.8		6.6		7.4		7.9		7.6		7.4		6.7		6.7		7.2		7.1		6.1		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		8.7		7.1		7.9		9.1		10.4		10.6		10.5		8.6		8.2		8.9		8.7		7.6		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		4.9		2.8		3.5		4.7		6.3		6.6		7		6.4		5.8		5.3		4.2		3.4		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		1.1		0.6		0.8		1		1.1		1.3		1.5		1.8		1.6		1.1		0.8		0.6		0.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.3		3.9		4.5		5.3		6.3		6		6.1		5.7		5.6		5.8		5.3		4.8		3.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.7		4.1		4.5		5.3		7.1		6.6		7.1		6.1		5.7		6.1		5.6		5.5		4.1