PALMDALE, CALIFORNIA

Average Temperature

Years on Record: 108

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.7		7.4		9.4		11.8		15		19.1		23.3		27.4		26.9		23.6		17.8		11.5		7.6

Average High Temperature

Years on Record: 108

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		25.1		14.7		16.7		19.7		23.3		27.7		32.3		36.4		36.1		33		26.7		19.7		14.8

Average Low Temperature

Years on Record: 108

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.4		0.2		2.1		4		6.7		10.6		14.4		18.5		17.7		14.2		8.9		3.4		0.4

Highest Recorded Temperature

Years on Record: 108

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		45		27.2		28.9		32.8		36.7		41.7		44.4		45		44.4		43.9		40.6		33.9		28.9

Lowest Recorded Temperature

Years on Record: 108

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-14.4		-14.4		-9.4		-10		-6.7		-2.2		1.7		6.1		3.3		1.1		-5		-10		-12.8

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		30.5		---		---		---		---		0.9		4.1		11.5		10.6		3.5		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 108

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		105.7		---		---		0.1		1.6		7.1		17.2		28.2		27.6		19.5		4.5		---		---

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		171.6		---		0.3		3.5		10.7		21.3		27.4		31		30.9		27.3		17.4		1.9		---

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		235.2		1.9		6.8		15.2		21		28.4		29.8		31		31		29.6		26.7		12.3		1.7

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		307.7		15.8		17		25.7		28.2		30.9		30		31		31		30		30.8		24.2		13.1

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		356.1		28		26.4		30.9		30		31		30		31		31		30		31		29.6		27.3

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		364.4		30.9		27.8		31		30		31		30		31		31		30		31		30		30.6

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		345.8		31		28		31		29.9		30.8		28.3		21.9		23.9		28.9		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		277.5		31		28		30.6		29.1		26.7		15		4.4		6.4		16.2		29.2		30		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		200.1		30.7		27.1		28.7		23.3		10.9		1.9		0.1		0.2		2.3		16.2		28.2		30.6

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		109.2		25.1		18		14.4		7.1		0.9		---		---		---		0.1		2.7		15.5		25.5

Average Number of Days Below 32F/0C

Years on Record: 108

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		54.8		16.3		9.3		5.1		1.1		0.1		---		---		---		---		0.4		6.9		15.8

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		1.1		0.3		0.1		---		---		---		---		---		---		---		---		---		0.6

Average Precipitation

Years on Record: 108

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		195		37		39		31		12		4		1		1		4		5		8		17		35

Average Number of Days With Precipitation

Years on Record: 108

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24		4		4		4		2		1		---		---		1		1		1		2		4

Most Reported Precipitation in a Month

Years on Record: 108

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		192		191		184		133		63		42		18		17		37		54		90		143		192

Most Precipitation Reported in a Day

Years on Record: 108

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		87.1		62		61.7		60.7		26.7		27.9		15.2		17.3		37.1		41.4		45.2		48		87.1

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		15.6		3.1		3.2		2.7		1		0.4		0.1		0.2		0.3		0.3		0.8		1.3		2.2

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

Years on Record: 108

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16		3		3		3		1		1		---		---		---		---		1		1		3

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

Years on Record: 108

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4		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		4.6		0.9		1.2		0.7		0.3		---		---		---		---		0.1		0.3		0.3		0.8

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		1.3		1		1		1		1.1		1.3		1.4		1.9		1.9		1.6		1.3		1.1		1

Average Snowfall

Years on Record: 108

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		3.6		2.3		0.5		---		---		---		---		---		---		---		---		0.2		0.5

Most Snow Reported in a Month

Years on Record: 108

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		48.3		48.3		10.2		5.1		---		---		---		---		---		---		---		25.4		10.2

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		42.3		55.1		57.3		51.1		45		38.1		32.6		28.2		27.8		33.5		39.5		45.5		54.2

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2551		561		415		314		176		52		7		---		---		8		87		346		586

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1991		---		---		6		40		156		331		532		510		326		88		3		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5332		31		71		185		320		569		774		996		975		768		467		149		27

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.6		11.4		12.4		13.5		14.5		14.9		14.7		13.8		12.8		11.7		10.8		10.3

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		18.7		32.5		35.9		26		21		15.6		6.9		8.2		7.7		9		13.1		19.6		27.5

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		15.2		26.1		31		22.2		18.3		11.1		5.2		6.6		5.3		8		10.8		15.8		22

Average Wind Speed

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		15.9		12.6		14.4		16.7		19.6		20.1		19.9		18		16.1		14.1		14.3		12.7		12.7

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.4		10.4		13.6		18.9		23.9		27.6		29.2		27		24.1		20.4		15.8		11.8		9.7

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.7		2.9		3.8		4.6		5.5		6		6.2		6.6		6		4.9		3.9		3		2.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.4		16.3		18.1		22.5		24.4		25.1		25.1		23.8		23.4		22.8		20.9		18		16.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		25.7		18.6		20.3		25.3		29.2		32.6		34.3		30.5		27.9		26.2		23.4		20.9		18.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.4		10.4		13.6		18.9		23.9		27.6		29.2		27		24.1		20.4		15.8		11.8		9.7

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		3.4		4.6		5.5		6.6		7.6		7.8		8.1		7.1		5.9		4.5		3.4		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		24.6		20.1		22.3		25.7		27.2		27.3		26.9		27.1		26.9		26.2		24.3		21.4		19.5

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		32		24.6		27.5		31.1		35.2		38.5		39.5		39.4		36		32.6		29		26.4		23.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.7		8.8		9.8		16.5		21.1		23.6		25.3		23.2		21.5		18		14.3		10.5		8.3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		3.5		2.2		2.8		3.6		4.2		4.7		5		4.7		4.4		3.7		3		2.2		2

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		12.8		11.8		19		21.4		21.5		22		20.7		20.8		19.7		18.4		15.2		12.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.3		13.3		10.7		19.5		23		24.1		26.1		22.7		22.2		20.4		19.2		16.6		13.7