MANCHESTER, NEW HAMPSHIRE

Average Temperature

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7.9		-6.1		-4.5		0.6		7		13.1		18.2		20.9		19.9		15.6		9.6		3.9		-3

Average High Temperature

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.5		0.3		2.1		6.7		13.7		20.1		25.1		27.7		26.7		22.6		16.6		9.7		2.7

Average Low Temperature

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1.4		-12.4		-11		-5.6		0.3		5.9		11.4		14.1		13.1		8.7		2.6		-1.9		-8.7

Highest Recorded Temperature

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37.8		19.4		21.1		30		34.4		35		36.7		37.8		37.2		35.6		31.1		32.8		23.9

Lowest Recorded Temperature

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-41.7		-37.2		-41.7		-30		-15.6		-7.2		-1.7		0.6		---		-6.7		-11.1		-20		-31.7

Average Number of Days Above 90F/32C

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9		---		---		---		0.1		0.4		2		3.4		2.6		0.5		---		---		---

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		61.2		---		---		---		0.8		4.3		12.2		20.4		16.8		5.9		0.6		---		---

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		124.9		---		---		0.3		3.7		13.7		23.7		29.6		29		19.3		5.1		0.5		0.1

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		180.4		0.1		0.3		2.4		11.5		24.8		28.9		30.9		30.7		28.5		16.8		4.6		0.8

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		232.4		1.7		2.2		8.8		22.5		30.1		30		31		31		29.9		27.8		13.7		3.6

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		289.9		7		9.9		21		29		31		30		31		31		30		30.8		26		13.2

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		360.6		31		28		31		30		31		29.4		29		29.4		29.8		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		319.1		31		28		31		30		29.7		21.1		14		17.5		25.3		30.6		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		252.6		31		28		31		28.9		21.4		6.3		2.4		2.9		13.1		27.3		29.4		31

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		194.7		31		27.9		30		20.6		6.8		0.3		0.1		0.1		4.3		17.8		25.3		30.6

Average Number of Days Below 32F/0C

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		166		30.2		27.5		27		15.4		3.4		0.1		---		---		1.7		10.9		20.9		29

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		69.5		23.1		17.9		9.9		0.9		---		---		---		---		---		0.2		2.9		14.5

Average Number of Days Below 10F/-12C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		30.3		13.4		8.8		2.7		0.1		---		---		---		---		---		---		0.1		5.1

Average Number of Days Below 0F/-17C

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16.4		7.6		5.1		1		---		---		---		---		---		---		---		---		2.8

Average Precipitation

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1020		73		64		75		83		86		97		92		90		84		93		97		84

Average Number of Days With Precipitation

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		123		10		8		10		11		12		12		10		10		9		10		11		10

Most Reported Precipitation in a Month

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		334		229		207		244		218		241		318		223		319		231		334		198		180

Least Reported Precipitation in a Month

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		6		---		16		12		16		21		9		9		6		6		24		16

Most Precipitation Reported in a Day

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		153.7		82.8		62.5		53.3		63.5		64.5		120.7		71.1		106.4		153.7		144.8		83.6		72.9

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		79.8		6.3		5.6		6.4		7		8.1		8.3		6.6		6.2		6.1		6.5		7		5.7

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

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		77		7		5		6		7		7		7		7		6		6		6		7		6

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

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		27		2		2		2		2		2		2		3		2		2		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		28		1.7		1.8		2		2.3		2.5		2.5		2.8		2.2		2.3		2.9		2.5		2.5

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

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11		1		---		1		1		1		1		1		1		1		1		1		1

Average Precipitable Water

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm.		1.8		0.9		0.8		1		1.3		1.9		2.8		3.1		3		2.5		1.7		1.3		1

Average Snowfall

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		125.2		37.6		30		21.1		4.1		---		---		---		---		0.2		---		5.8		26.4

Most Snow Reported in a Month

Years on Record: 69

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		120.7		120.7		110.5		97.3		40.6		---		---		---		---		10.9		2.5		44.5		96.8

Average Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		65		65.1		59.4		59.7		55.9		61.9		67.6		67.1		68.6		71.5		70		68.8		65.2

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6729		1325		1089		947		557		261		65		14		22		146		464		732		1108

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		568		---		---		---		2		22		111		208		167		54		3		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2556		---		---		4		61		247		497		659		611		364		97		16		1

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		11.1		12.5		13.9		15.2		15.9		15.5		14.4		12.9		11.5		10.2		9.6

Average Total Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		53.2		56.2		52.2		56.1		54.8		54.9		55		49.5		49		48.3		50.5		57.1		55

Average Opaque Sky Cover

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		49.6		52.6		48.7		52.7		52		51.7		50.7		44.4		44.5		44		47.1		54.2		52

Average Wind Speed

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		10.3		10.8		11.6		12.1		12		10.8		9.6		9.2		8.6		9		9.5		9.8		10.6

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.2		6.2		9.6		13.2		16.1		18.4		19.7		20.1		18.2		14.7		10.3		6.4		5.3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.4		2.4		3.4		5		6.9		8.3		8.9		8.5		7.2		5.6		4		2.8		2.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.1		11.8		14.8		16.5		16.6		16.9		17.2		17.9		17.9		16.8		14.4		10.7		10.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.2		11.9		15.4		16.5		15.9		16.1		17		18.4		18.2		17		14.4		10.7		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		13.2		6.2		9.6		13.2		16.1		18.4		19.7		20.1		18.2		14.7		10.3		6.4		5.3

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		2.5		3.6		5.3		7.1		8.5		9		8.7		7.5		5.9		4.1		2.8		2.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.9		14.7		17.9		19.2		20.2		19.6		19.4		20.4		20.4		19.9		17.4		12.1		13.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.7		15.6		19.7		20.7		22.3		21.5		21.8		24		23.2		22.1		18.6		12.7		14.6

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.2		5.5		8.2		11.4		13.1		15.4		16.3		17.2		15.8		12.7		8.6		5.3		4.2

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		2.2		3		4.6		6.3		7.9		8.5		7.8		6.7		5		3.6		2.7		1.9

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		9.7		12.1		13.6		13.1		14.1		14.3		15.4		15.4		14.1		11.4		8.1		7.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.9		9.2		11.3		12.3		10.4		11.2		11.4		13.4		13.8		12.9		10.3		7.5		6.7