AMBLER, PENNSYLVANIA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.4		-3.7		-2.2		2.5		8.8		14.8		19.5		21.8		20.9		16.6		10.3		4.7		-0.8

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.4		0.3		2.2		7.6		14.6		20.6		24.9		27.1		26.2		21.7		15.6		8.9		2.8

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.5		-7.6		-6.7		-2.7		3.1		9		14.1		16.5		15.6		11.4		5		0.5		-4.4

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		30.4		6.2		7		11.8		17.4		24.8		27.2		30.4		28.9		25.6		18.8		12.5		7.6

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-15.2		-15.2		-12.7		-6.2		-0.2		6.2		11.9		14.7		13.1		9.3		2.1		-2.3		-10.1

Average Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1204		91.4		73.7		106.7		104.1		101.6		111.8		119.4		99.1		111.8		96.5		88.9		101.6

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		91.4		8.3		7.6		7.6		9.2		9.2		7		8.5		6.8		6.6		6.1		6.7		7.8

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		326		193		146		173		216		162		326		151		181		280		190		189		151

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		9		12		16		24		9		39		23		31		10		30		16		17		14

Most Precipitation Reported in a Day

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		172.7		82.8		56.1		54.6		74.2		94		78.7		97.8		124.5		172.7		99.3		99.1		80.8

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		66.6		6.3		5.9		6.3		6.1		6.3		4.9		6.4		5		4.8		4.2		4.8		5.6

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

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		71		7		6		6		7		7		6		6		5		5		5		5		6

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

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		34		3		2		3		3		3		3		3		3		3		2		3		3

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		32.4		2.9		2.3		2.9		3.1		2.7		2.5		3.1		2.6		2.8		2		2.9		2.6

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

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14.3		0.8		0.6		1.1		1.2		1.5		1		1.7		1.4		1.4		1.2		1.3		1.1

Average Snowfall

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		57.4		20.1		19.3		8.6		3.3		---		---		---		---		---		---		1		5.1

Most Snow Reported in a Month

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		74.9		74.9		63		39.4		30.5		---		---		---		---		---		---		10.2		29.2

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3525		682.2		576.1		491.7		285		127.8		25.6		5.6		10		68.9		250.6		408.3		593.3

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		298.9		---		---		---		---		18.3		60.6		112.8		88.9		16.1		2.2		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1344.5		---		---		---		---		149.8		285		365.1		337.6		196.7		10.3		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.2		11.2		12.5		13.8		15		15.5		15.2		14.2		12.9		11.6		10.4		9.9

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		7		10		13.4		16.5		18.9		20.4		20		18		15.2		11.4		7.5		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		5.7		2.8		3.8		5.4		7.1		8.3		8.9		8.5		7.5		5.8		4.3		3.1		2.5

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.3		11.5		13.9		15.9		16.7		17.3		17.9		17.9		17.5		16.9		15.3		11.7		10.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.1		11.7		14.3		15.3		15.6		16.5		17.8		17.8		16.9		16.8		15.3		11.9		10.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.7		7		10		13.4		16.5		18.9		20.4		20		18		15.2		11.4		7.5		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		5.9		2.9		4		5.6		7.3		8.6		9.1		8.8		7.7		6.2		4.5		3.2		2.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		14.1		17		18.7		19		20.9		20.4		20.2		20.1		20.2		19.2		14.8		13.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.8		14.9		18.8		19.6		19.6		23.7		23.2		22.5		21.7		22.2		21.1		16.2		14.3

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.4		6		8.6		12		14.3		13.1		16.1		17.4		16.2		12.5		10.1		6		4.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		2.7		3.5		5		6.8		7.6		8.3		8.1		7		5.3		3.7		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		12.4		9.2		11.2		13.8		14.3		12		14.2		15.6		15.7		13.4		13.1		8.6		7.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.6		8.7		10.5		12.2		11.6		7.7		10.9		13.3		13.8		11.3		12.2		7.7		6.8