UNDERWOOD, NORTH DAKOTA

Average Temperature

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5.2		-12.6		-9.8		-2.8		5.8		12.6		17.8		21.1		20.3		14.2		7.2		-2.3		-9.6

Average High Temperature

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.6		-7.3		-4.3		3		12.6		19.8		24.6		28.3		28.1		21.6		13.9		2.9		-4.6

Average Low Temperature

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-1.2		-17.8		-15.3		-8.6		-1.1		5.4		11		13.7		12.6		6.9		0.5		-7.5		-14.6

Highest Recorded Temperature

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		41.1		12.8		18.3		23.9		34.4		36.1		41.1		40.6		41.1		38.9		34.4		25.6		15

Lowest Recorded Temperature

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-38.3		-38.3		-37.8		-32.2		-22.8		-11.1		-0.6		3.3		0.6		-7.8		-21.1		-30		-37.8

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		0.6		---		---		---		---		---		0.1		0.3		0.2		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		18.4		---		---		---		0.1		0.5		2.1		6.9		7.2		1.5		0.1		---		---

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		58.1		---		---		---		0.8		3		9.1		18.7		18.6		7		0.9		---		---

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		116.3		---		---		0.1		3.8		12.5		22.4		28.8		27.8		16.1		4.7		0.2		---

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		161.4		---		---		1.2		10.4		22.7		28.5		30.9		30.9		24.4		11.2		1.2		---

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		199.9		---		0.7		5.3		19.3		28.4		29.9		31		31		29		20.1		5		0.1

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		240.4		1.9		4.6		13.3		26.1		30.5		30		31		31		29.8		27.3		11.8		3.1

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		364.1		31		28		31		30		31		29.8		30.6		30.7		30		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		343.2		31		28		31		30		30.6		26.2		21.1		24		29.3		31		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		278.4		31		28		31		29.7		25.5		11.1		2.5		6.3		21.9		30.5		30		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		222.1		31		28		30.8		26.3		11.2		0.8		---		0.3		7.4		25.6		29.8		31

Average Number of Days Below 32F/0C

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		187.1		30.8		27.9		29.1		19		4.6		0.1		---		---		2.2		15		27.9		30.7

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		115		27.7		22.3		16.2		3.8		0.1		---		---		---		---		2.8		15.6		26.4

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		70.6		21.6		16.2		7.6		0.6		---		---		---		---		---		0.4		6.7		17.5

Average Number of Days Below 0F/-17C

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		45.7		16		11.8		4.2		0.2		---		---		---		---		---		---		2.5		11

Average Precipitation

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		444		14		12		17		41		62		94		63		45		40		26		16		14

Average Number of Days With Precipitation

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		88		6		5		6		7		10		12		9		7		8		6		5		7

Most Reported Precipitation in a Month

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		219		42		51		48		142		159		190		219		194		132		167		70		58

Least Reported Precipitation in a Month

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		1		---		5		16		13		---		4		---		---		---

Most Precipitation Reported in a Day

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		76.2		13.7		20.1		34.5		46.2		54.6		70.1		54.4		76.2		75.2		56.4		37.1		16.5

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		41.9		2.2		1.4		2.3		3.6		5.5		7		5.5		3.9		3.6		2.9		2.1		1.9

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

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		43		2		2		2		4		6		7		5		4		4		3		2		2

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

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11		---		---		---		1		2		3		2		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		10.4		0.1		0.1		0.2		1		1.9		2.7		1.8		0.9		0.6		0.6		0.4		0.1

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

Years on Record: 57

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

Average Snowfall

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		86.1		16		12.9		11.9		7.1		1.5		---		---		---		---		4.3		11.2		21.1

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.4		4.7		4.6		3.1		0.8		0.3		---		---		---		---		0.9		2.8		6.2

Most Snow Reported in a Month

Years on Record: 57

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		95.8		53.6		36.8		41.9		50.8		28.7		---		---		---		5.1		38.1		79.8		95.8

Avg. No. of Days w/Snow Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.9		2.7		1.9		1.3		0.7		0.2		---		---		---		---		0.5		1.3		3.3

Avg. No. of Days w/Snow Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		1.3		0.7		0.4		0.3		0.1		---		---		---		---		0.2		0.6		1.4

Avg. No. of Days w/Snow Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.1		0.5		0.1		0.2		0.1		---		---		---		---		---		0.1		0.5		0.6

Avg. No. of Days w/Snowfall Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.3		0.1		---		---		---		---		---		---		---		---		---		0.1		0.1

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9129		1705		1407		1181		683		342		108		25		45		244		665		1140		1584

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		459		---		---		---		1		14		75		177		157		34		1		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2180		---		---		2		43		197		420		617		577		270		53		2		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.6		10.9		12.5		14.2		15.8		16.6		16.1		14.7		13		11.3		9.9		9.1

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.5		5.1		8.2		12.3		17.2		20.4		22.1		23		19.4		14.2		9.6		5.9		4.4

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		3		4.2		6.2		7.6		8.9		9.4		9.1		8		6.5		4.7		3.4		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		15		8.9		12.6		15.7		18		18.8		19.1		20.4		19.3		16.3		13.1		9.9		8

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		7.7		11		13.3		17.5		19.2		20.6		22.9		19.8		15.3		12.3		8.6		7.2

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.5		5.1		8.2		12.3		17.2		20.4		22.1		23		19.4		14.2		9.6		5.9		4.4

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		3.2		4.6		6.5		8		9.1		9.7		9.4		8.2		7		5.1		3.8		2.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.4		10.1		14.2		18.2		22.3		21.2		22.9		22.6		21.7		19.4		15		12.2		8.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.9		8.8		12.7		15.8		23.6		23.7		27.3		26.3		23.5		19.3		14.5		11.3		8.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.7		4.4		7		9.1		14.8		17.1		17.9		15.8		15.3		10.8		8		5.2		3.5

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		2.7		3.8		5.5		7.5		8.8		9.3		9		7.9		5.9		4.1		3		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		11.8		7.4		10.4		11.1		15.2		15.6		15.6		14.1		14.9		11.9		10.6		8.6		6

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.8		6.3		8.8		7.7		12.8		13.4		13.5		10.9		12.5		9.7		9.7		7.2		5.2