OLD TOWN, MAINE

Average Temperature

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.1		-6.9		-5.9		-0.4		6		12.4		17.4		20.4		19.3		15		9.2		2.9		-4.4

Average High Temperature

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12.7		-1.7		-0.3		4.8		11.7		19		23.7		26.5		25.4		20.7		14.7		7.3		0.1

Average Low Temperature

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1.5		-12.2		-11.6		-5.6		0.3		5.9		11.2		14.4		13.3		9.2		3.8		-1.4		-9

Highest Recorded Temperature

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		38.9		15		15		25.6		31.7		33.3		34.4		38.9		37.8		33.3		28.9		21.7		16.7

Lowest Recorded Temperature

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-35.6		-35.6		-33.3		-27.8		-17.8		-5		0.6		5.6		2.2		-2.8		-9.4		-18.3		-33.9

Average Number of Days Above 90F/32C

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.4		---		---		---		---		0.2		0.8		1.8		1.4		0.2		---		---		---

Average Number of Days Below 32F/0C

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		156.4		29.6		27.2		26.4		14.7		1.9		---		---		---		0.9		7.7		19.6		28.5

Average Number of Days Below 0F/-17C

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		19.2		7.8		6.5		1.4		---		---		---		---		---		---		---		---		3.5

Average Precipitation

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1007		82		66		83		87		79		87		79		75		92		98		100		80

Average Number of Days With Precipitation

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		130		12		11		11		11		11		11		10		10		10		10		12		11

Most Reported Precipitation in a Month

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		268		209		134		183		182		184		255		190		169		268		200		241		148

Least Reported Precipitation in a Month

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		5		10		28		31		20		14		28		23		24		29		5		11		24

Most Precipitation Reported in a Day

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		127.8		52.6		38.4		56.4		86.1		53.6		127.8		61.2		46.2		106.2		73.2		68.6		52.1

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

Years on Record: 36

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

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

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26		2		2		2		2		2		2		2		2		2		3		3		2

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

Years on Record: 36

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

Average Number of Rainy Days

Years on Record: 12

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

Average Snowfall

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		172.2		45		42.7		29.2		9.7		0.5		---		---		---		---		0.8		10.9		33.5

Most Snow Reported in a Month

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		96.5		96.5		91.4		94		36.1		8.9		---		---		---		---		7.6		54.1		81.3

Average Relative Humidity

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		75		75		73		70		71		69		73		74		76		79		78		79		77

Average Dew Point

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1		-11		-10		-6		---		5		11		13		13		10		3		---		-8

Heating Degree Days

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2785.6		611.1		528.3		407.8		206.7		52.2		4.4		---		---		20.6		124.4		296.7		533.3

Cooling Degree Days

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		178.9		---		---		---		---		3.9		30		75.6		56.1		12.8		0.6		---		---

Growing Degree Days

Years on Record: 36

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1062.2		---		---		---		---		75.8		223.3		323.8		289.3		150		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.8		11		12.5		14.1		15.5		16.2		15.8		14.5		13		11.4		10.1		9.4

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.5		5.8		9.2		13.2		15.9		17.9		19.4		18.7		17.2		13.5		8.9		5.4		4.8

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		2.2		3.1		4.7		6.7		8.2		8.9		8.5		7.2		5.5		3.8		2.6		1.9

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.6		12.1		15.2		17.5		16.6		16.4		16.9		16.7		17		15.6		12.5		9.3		9.6

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.6		12.3		15.8		17.6		16.3		15.8		16.9		16.4		17.2		15.5		12.1		9.1		10.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.5		5.8		9.2		13.2		15.9		17.9		19.4		18.7		17.2		13.5		8.9		5.4		4.8

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		2.3		3.4		5		6.9		8.3		9		8.7		7.4		5.7		3.9		2.6		1.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.5		14.5		18.7		20.6		19.8		19.8		19.3		18.8		19.4		18		15.5		10.9		14

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.2		15.5		20.8		22		22.1		22.4		21.9		20.8		21.6		19.3		16.6		11.1		16.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.5		5.1		7.8		11.4		12.6		15		14.9		16.8		14.4		11.6		7.2		4.9		4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.9		2		2.6		4.3		6.2		7.7		8.5		8.2		6.8		5.2		3.6		2.5		1.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.9		9.8		12.1		14.4		12.7		13.7		13.1		14.9		14		12.9		9.3		8		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		10.4		9.5		11.7		13.4		10		10.9		9.8		13.1		11.9		11.4		8		7.5		7.6