LONG VALLEY, SOUTH DAKOTA

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Elevation: 815 meters Latitude: 43 28N Longitude: 101 30W

WEATHER

Monthly - Summary

Nearby

Forecast

Monthly - All Data

Climate Summary

CURRENT CONDITIONS

Sunrise/Set

05:17 am

08:07 pm
Local Time
11:26 am MDT
18 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.3		-4.8		-2.4		1.6		8.3		14.2		19.5		24		23.1		17.4		10.7		2.3		-2.8

Average High Temperature

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16.8		2.1		4.6		8.6		15.9		21.7		27.1		32.3		31.5		25.9		18.7		9.3		3.9

Average Low Temperature

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		1.7		-11.6		-9.3		-5.4		0.8		6.6		11.9		15.7		14.7		8.9		2.7		-4.7		-9.6

Highest Recorded Temperature

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		46.1		22.8		23.9		31.1		35		38.9		42.2		46.1		45		41.1		36.1		29.4		23.9

Lowest Recorded Temperature

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-38.9		-36.1		-34.4		-32.2		-20.6		-10		-0.6		2.8		-0.6		-8.3		-17.8		-28.3		-38.9

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		5.2		---		---		---		---		---		0.4		2.7		1.8		0.3		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		45.5		---		---		---		0.2		1.4		6		16.6		15.2		5.6		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		96.4		---		---		0.3		2.3		6.9		16.7		26.2		26.3		14.2		3.5		0.1		---

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		150.6		0.1		0.3		2.8		8.3		17.3		26.6		30.5		30.3		22.6		10.1		1.8		---

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		200.9		1.2		2.9		8.4		15.8		26		29.4		31		30.9		28		19.4		6.7		1.4

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		251.7		6.4		8.2		16		24.1		30.1		29.9		31		31		29.5		26		13.4		6.1

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		299.3		15.2		15.1		22.4		28.1		31		30		31		31		29.9		29.8		20.7		15

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		29.7		28.7		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		323.9		31		28		31		29.9		30.3		24.3		14.3		16.7		26.6		30.8		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		261.8		31		28		30.7		28.9		23.3		8.1		1.9		3.5		16.7		28.8		29.8		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		203.8		30.7		27.7		29.2		22.8		8.7		0.7		---		0.2		5		19.8		28.3		30.8

Average Number of Days Below 32F/0C

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		160.8		29.2		25.7		25.4		13.8		2.7		0.1		---		---		1.5		9.8		23.9		28.7

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		75.7		19.6		15.1		9.3		2.1		0.1		---		---		---		---		1.6		9.5		18.4

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		36.2		11		7.6		3.3		0.1		---		---		---		---		---		0.2		4.1		10

Average Number of Days Below 0F/-17C

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20		8.1		4.4		1.7		---		---		---		---		---		---		---		1		4.7

PRECIPITATION

Average Precipitation

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		453		9		12		31		54		75		79		58		47		32		32		14		8

Average Number of Days With Precipitation

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		68		4		4		6		8		9		9		6		5		5		5		4		3

Most Reported Precipitation in a Month

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		220		47		51		111		144		220		181		170		148		128		126		46		38

Least Reported Precipitation in a Month

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		---		---		2		3		2		1		---		5		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		101.6		38.1		33.5		53.3		69.8		61.7		101.6		101.6		78.7		58.4		58.7		27.9		19.3

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		45.8		1.6		2		3.8		5.1		6.5		6.6		5.2		3.9		3.6		3.3		2.6		1.6

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

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		41		1		2		3		5		6		6		5		4		3		3		2		1

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

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11		---		---		1		1		2		2		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		12.3		0.1		0.3		0.8		1.5		2.1		1.9		2		1.3		1.1		0.9		0.3		---

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

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3		---		---		---		---		1		1		1		---		---		---		---		---

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		92.2		12.2		14		22.9		11.9		1.5		---		---		---		0.5		3.8		12.9		12.4

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21.1		3.5		3.8		3.9		2		0.1		---		---		---		---		0.7		3.2		3.9

Most Snow Reported in a Month

Years on Record: 84

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		129.5		49.5		50.8		129.5		91.4		38.6		---		---		---		25.4		35.6		71.1		78.7

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		16.6		2.5		3		3.1		1.8		0.1		---		---		---		---		0.6		2.6		2.9

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		5.4		0.5		0.7		1.3		1		---		---		---		---		---		0.2		1		0.7

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		1.4		0.1		0.1		0.5		0.4		---		---		---		---		---		0.1		0.2		---

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		0.1		---		---		---		0.1		---		---		---		---		---		---		---		---

Avg. # of Days w/Snow Depth Above 1in/2.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		67.9		16.3		13.5		9.1		2.7		---		---		---		---		---		0.9		9.1		16.3

Avg. # of Days w/Snow Depth Above 3in/7.5cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		40.8		9.8		7.5		5.8		1.4		---		---		---		---		---		0.4		5.9		10

Avg. # of Days w/Snow Depth Above 5in/12.7cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22.6		5.6		3.9		3.5		0.6		---		---		---		---		---		---		3.3		5.7

Avg. # of Days w/Snow Depth Above 10in/25cm

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.6		0.6		0.4		0.9		0.2		---		---		---		---		---		---		0.8		1.7

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6653		1214		1018		867		536		251		57		7		15		139		473		878		1200

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		852		---		---		---		5		30		132		306		278		92		8		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2964		1		2		22		88		270		526		764		728		417		128		17		1

SKY CONDITIONS

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.9		11.1		12.5		14		15.3		16		15.6		14.4		12.9		11.5		10.2		9.6

SOLAR RADIATION

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.8		6.6		9.6		13.1		17.5		21.2		23.5		23.7		21.1		16.5		11.4		7.2		5.8

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.1		2.3		3.4		5		6.6		7.8		8.2		7.6		6.5		5.1		3.7		2.6		2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.1		12.9		14.7		16.3		18.2		19.5		20.4		21.1		21		19.4		16.7		12.8		12.3

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.7		13.4		15.4		16.3		18.7		21.5		24.1		25.5		24.3		21.4		17.7		13.5		12.9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.8		6.6		9.6		13.1		17.5		21.2		23.5		23.7		21.1		16.5		11.4		7.2		5.8

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.5		2.5		3.7		5.3		7.1		8.4		8.7		8.5		7		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		19.8		15.4		18.5		19.3		22.9		22.2		22.2		22.7		23		21.3		19.1		16		15.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23.4		16.8		20.5		21.1		27.6		27.4		28.6		29.4		28.6		24.6		21.2		18.1		16.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.3		5.5		7.6		11		14		15.7		21.4		19.7		19.3		13		9.9		5.6		4.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.5		2.1		3		4.6		5.5		7.1		7.6		7		5.8		4.6		3.4		2.3		1.8

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		9.9		11		13.4		14.1		14.3		18.6		17.6		19		14.4		13.8		9		8.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.9		9.4		9.9		11.4		11.9		11.6		19.9		17.7		20.4		13.3		13.5		8.2		7.8

NEARBY - MAP

NEARBY - LIST

Black Eyes, South Dakota (18 mi / 29 km)
Martin - Airport, South Dakota (23 mi / 38 km)
Tuthill, South Dakota (23 mi / 38 km)
Kadoka - Airport, South Dakota (25 mi / 40 km)
White River, South Dakota (25 mi / 41 km)

GEOBA.SE

Long Valley, South Dakota