TRENTON, NORTH DAKOTA

Average Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5.1		-13.2		-8.7		-3		5.8		12.6		17.3		20.7		19.8		13.7		7.4		-2.1		-8.9

Average High Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		12.4		-6.9		-2.6		3.3		13		20.2		24.9		29.3		28.8		22.1		15.3		4.2		-2.8

Average Low Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-2.2		-19.5		-14.8		-9.3		-1.3		4.9		9.6		12.2		10.9		5.3		-0.5		-8.3		-15

Highest Recorded Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		42.2		13.3		17.8		26.1		35		40.6		38.3		41.7		42.2		41.7		35.6		24.4		17.2

Lowest Recorded Temperature

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-45		-45		-44.4		-34.4		-28.9		-9.4		-1.7		1.1		-1.1		-10.6		-17.8		-33.9		-40

Average Number of Days Above 90F/32C

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23		---		---		---		0.1		0.8		2.5		8.8		9		1.7		0.1		---		---

Average Number of Days Below 32F/0C

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		190.4		30.5		27.8		28.6		18.6		4.8		0.3		---		0.2		4.4		17		27.9		30.3

Average Number of Days Below 0F/-17C

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		47.7		17.4		10.7		5.1		0.2		---		---		---		---		---		---		3.4		10.9

Average Precipitation

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		354		8		9		12		31		58		70		48		44		37		18		11		9

Average Number of Days With Precipitation

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		83		6		6		7		7		9		11		8		7		7		4		5		6

Most Reported Precipitation in a Month

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		217		22		31		32		76		217		146		103		174		118		97		65		21

Least Reported Precipitation in a Month

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		---		4		2		23		9		3		2		---		1		---

Most Precipitation Reported in a Day

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		88.4		13.5		15.5		27.9		45		67.6		48.5		46.7		88.4		63.5		44.2		52.6		10.9

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

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31		1		1		1		3		5		6		4		3		3		2		1		1

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

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7		---		---		---		1		1		2		1		1		1		---		---		---

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

Years on Record: 31

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

Average Snowfall

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		71.9		15		13.7		12.9		4.3		---		---		---		---		---		2.3		9.9		13.7

Average Snow Cover

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2		12		12		7		---		---		---		---		---		---		---		2		5

Most Snow Reported in a Month

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		49.5		49.5		45.7		47.8		25.1		---		---		---		---		---		18.5		34.8		34.3

Heating Degree Days

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3524.4		803.3		606.1		488.9		215.6		63.3		5		0.6		1.7		44.4		176.1		446.1		673.3

Cooling Degree Days

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		217.8		---		---		---		0.6		8.9		30.6		90		75		12.2		0.6		---		---

Growing Degree Days

Years on Record: 31

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1044.7		---		---		---		---		79.2		218.3		332.4		304.8		110		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.5		10.8		12.5		14.3		15.9		16.7		16.2		14.8		13		11.3		9.8		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		13.3		4.7		8		12.4		17.4		20.4		21.8		23.1		19.2		14.1		9.3		5.5		4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.1		2.8		4.2		6.2		7.6		8.9		9.5		9.2		8		6.5		4.6		3.2		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		14.9		8.1		12.5		16		18.3		18.8		18.9		20.6		19.1		16.3		12.8		9.6		7.5

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		7.3		10.9		13.8		18		19.4		20.2		23.1		19.7		15.5		12.1		8.3		6.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.3		4.7		8		12.4		17.4		20.4		21.8		23.1		19.2		14.1		9.3		5.5		4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.4		3.1		4.5		6.7		7.7		9.1		9.7		9.5		8.1		6.9		5		3.5		2.7

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		9.4		14.1		19.2		21.5		20.3		22.2		22.8		20.9		19.1		14.5		11.1		8.8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.5		8.7		12.6		17.4		22.8		22.2		26.4		26.7		22.7		19		13.9		10.1		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		10.8		4		6.8		9.3		15		17.7		17.8		16.9		16.3		11		7.8		4.9		2.7

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		2.5		3.7		5.5		7.5		8.8		9.4		9.1		7.9		5.9		4.1		2.9		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		11.8		6.5		10.4		11.6		15.4		16.2		15.4		15		15.9		12.3		10.6		8.3		4.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.2		5.7		8.8		8.4		13.5		14.5		13.3		12.6		14.4		10.3		9.7		7		3.5