SWAN VALLEY, IDAHO

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Elevation: 1866 meters Latitude: 43 22N Longitude: 111 14W

WEATHER

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CURRENT CONDITIONS

Sunrise/Set

08:28 am

10:17 pm
Local Time
2:23 am EDT
23 April, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °F ] °C

TEMPERATURE

Average Temperature

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		6		-6		-4		---		5		10		15		19		18		13		7		---		-5

Average High Temperature

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13		-1		1		5		12		18		23		28		27		22		15		5		---

Average Low Temperature

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		---		-11		-9		-6		-1		3		6		10		9		5		---		-4		-8

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		31.8		2.7		5.8		12.4		19.2		23		28.7		31.8		31.5		28.1		21.1		11.8		3.3

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-15.6		-15.6		-13.4		-10.8		-4.1		1		5.7		7.7		7.9		3.5		---		-8.7		-14.4

Average Number of Days Above 90F/32C

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		---		---		---		---		---		0.6		4.6		2.5		0.3		---		---		---

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		64.8		---		---		---		0.4		1.8		8.5		21.2		23.3		9.2		0.4		---		---

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		116.7		---		---		0.2		2.2		10.3		19.8		29.7		29.5		21.2		3.8		---		---

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		159		---		---		1.1		9.9		19		26.7		30.9		30.8		26.5		13.6		0.4		---

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		204.4		0.1		0.8		6.7		18.9		27.9		29.5		31		31		29		23.5		6		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		258.6		2.6		7.3		20.7		27.3		30.9		30		31		31		29.9		28.5		16.1		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		365		31		28		31		30		31		30		31		31		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		361.1		31		28		31		30		31		29.7		29.3		29.3		29.8		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		314.2		31		28		31		29.9		30.4		22.7		10.6		12.5		26.3		30.8		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		244.6		31		28		30.9		28.8		19.8		7.7		1		1.2		11.2		25		29.2		30.9

Average Number of Days Below 32F/0C

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		184.9		29.5		26.5		28.2		20.1		7.1		1.3		0.1		0.3		4.3		14.2		24		29.2

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		83.9		22.3		18.7		11.7		3.4		0.1		---		---		---		0.2		1.4		7.9		18.3

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		36.1		11.7		10		3.3		0.3		---		---		---		---		---		0.2		1.9		8.7

Average Number of Days Below 0F/-17C

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16.7		7		4.1		2		---		---		---		---		---		---		---		0.7		3

PRECIPITATION

Average Precipitation

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		500		40		40		30		30		50		40		20		30		30		30		40		40

Average Number of Days With Precipitation

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		124		14		11		12		11		13		10		7		7		7		8		11		13

Most Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		132		96		101		82		108		132		77		88		89		100		82		92		104

Least Reported Precipitation in a Month

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		8		6		20		8		2		10		2		1		---		1		2		5

Most Precipitation Reported in a Day

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		48.3		23.9		44.2		30.5		32.3		34.5		36.3		27.2		38.4		35.8		30		22.4		48.3

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

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		59		6		5		5		5		7		5		3		3		4		4		6		6

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

Years on Record: 47

		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

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		195.1		53.3		37.6		27.9		8.9		1.3		---		---		---		---		2.5		18.5		45

Average Snow Cover

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		10		30		35		25		2		---		---		---		---		---		---		2		12

Most Snow Reported in a Month

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		127		98		83.1		127		53.3		15.2		---		---		2.5		---		20.3		62.2		123.2

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8029		1375		1146		1000		693		445		199		42		40		237		605		958		1289

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		259		---		---		---		---		1		26		110		103		18		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1793		---		---		1		19		111		293		533		529		263		45		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		12.7		9.9		11.1		12.5		14		15.3		15.9		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		15.9		7.3		10.8		15.3		19		21.9		25.2		25.6		22.3		17.4		12		7.7		6.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		2.2		3		4.5		6.3		7.7		7.7		6.9		6		4.8		3.5		2.5		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		19		15.1		17.7		20.7		20		20.1		21.8		22.8		22.3		20.8		17.9		14.3		14.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.6		16.2		19.3		21.9		21.9		22.8		27.5		29.7		27.1		23.7		19.5		15.2		15.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.9		7.3		10.8		15.3		19		21.9		25.2		25.6		22.3		17.4		12		7.7		6.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		2.4		3.5		5		6.8		8.2		8.5		8		6.6		5.7		4		2.7		2.1

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22		17.4		20.6		22.9		22.4		23.5		24.7		25.8		24.6		24.2		23.3		18		16.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		27.1		19.4		23.5		25.1		26.6		30.4		35.2		37.5		32.2		29.8		27.6		20.2		17.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14		6.5		9.2		13.4		17.4		19.4		22.4		22.4		20.6		14.3		10.3		6.8		5.8

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		1.9		2.6		4		5.6		6.5		6.3		5.4		5.1		3.8		2.5		2.1		1.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.2		12.6		14.1		17.4		18		17.8		19.4		19.9		20.4		16.3		14.6		12		12.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.9		12.9		14.1		16.9		18.2		17.8		21.8		22.8		23.2		16.2		14.7		12.1		12.5

NEARBY - MAP

NEARBY - LIST

Palisades, Idaho (4 mi / 6 km)
Irwin, Idaho (8 mi / 14 km)
Alpine, Wyoming (15 mi / 25 km)
Gray, Idaho (24 mi / 38 km)
Jackson, Wyoming (24 mi / 39 km)

GEOBA.SE

Swan Valley, Idaho