NATIONAL FOREST, WASHINGTON

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Elevation: 2107 feet Latitude: 48 44N Longitude: 121 03W

WEATHER

Monthly - Summary

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Climate Summary

CURRENT CONDITIONS

Sunrise/Set

08:39 am

11:22 pm
Local Time
2:45 am EDT
3 May, 2024

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MONTHLY - ALL WEATHER AVERAGES [ Show Summary ]

[ °C ] °F

TEMPERATURE

Average Temperature

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48.6		33.2		36.4		40.2		46.3		53.5		59.6		65.3		66.1		59.4		49.5		39.5		34.1

Average High Temperature

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		56.6		37.5		42.1		47.6		55.3		63.6		69.8		76.9		77.4		69.5		56.8		44.1		38.1

Average Low Temperature

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		40.6		28.8		30.6		32.9		37.3		43.5		49.4		53.8		54.8		49.4		42.1		34.9		30

Highest Recorded Temperature

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		103		57		61		71		82		97		100		103		101		97		86		64		57

Lowest Recorded Temperature

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-10		-2		-2		10		27		27		36		37		40		34		16		2		-10

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		0.2		---		---		---		---		---		---		0.1		---		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.5		---		---		---		---		0.1		1		3.5		3.6		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		39.8		---		---		---		0.1		2		5.7		13.4		13.6		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		88.2		---		---		---		2.2		8.6		13.7		22.9		24.3		14.7		1.7		---		---

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		147.9		---		---		1.8		8.9		19.1		24.4		29.7		29.9		24.9		9		0.1		---

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		215.6		0.4		1.2		12.3		21.9		29.2		30		31		31		29.8		24.6		4		0.3

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		304.4		12.1		18.4		27.4		29.8		31		30		31		31		30		30.9		23.2		9.7

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		359.1		31		28		31		30		31		29.8		28.5		28		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		275.6		31		28		31		30		27.6		16.1		3.9		2.8		15.2		29		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		180.6		30.5		27.9		29.8		21.2		6.1		0.1		---		---		0.6		9.7		24.1		30.7

Average Number of Days Below 32F/0C

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		80.4		19.4		17		13		3.7		0.2		---		---		---		---		0.7		7.8		18.6

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		8		2.6		1.6		0.4		---		---		---		---		---		---		---		0.7		2.6

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		1.3		0.3		0.2		0.1		---		---		---		---		---		---		---		0.1		0.5

Average Number of Days Below 0F/-17C

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.3		0.1		0.1		---		---		---		---		---		---		---		---		---		0.2

PRECIPITATION

Average Precipitation

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		57.2		9.3		6		5.3		3		2		1.6		1.1		1.3		2.4		5.8		10.1		9.3

Average Number of Days With Precipitation

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		163		18		15		17		14		11		10		7		7		10		15		20		19

Most Reported Precipitation in a Month

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		28.4		18		13.5		12.5		7.1		5.3		4.9		4.5		4		6.4		19.7		28.4		18.6

Least Reported Precipitation in a Month

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		0.6		1.1		0.3		0.3		0.4		0.2		---		---		0.2		0.2		1.2		1.3

Most Precipitation Reported in a Day

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		6.8		4.1		5.4		3.6		2.8		2.5		2.2		2		1.6		2.3		6.8		5.4		4.5

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		104.1		13.9		9.9		11.2		8.2		5.7		5		3		3.6		5		10.1		15.4		13.1

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

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		105		14		10		11		8		6		5		3		4		5		10		15		14

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

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		37		6		4		3		2		1		1		1		1		1		4		7		6

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		36.4		6.3		4		3		1.6		1		0.7		0.6		0.7		1.1		4.2		7.3		5.9

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

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13		3		2		1		---		---		---		---		---		---		1		3		3

PRECIPITATION - SNOW

Average Snowfall

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		51.4		16.7		8.8		5.2		0.3		---		---		---		---		---		0.1		4.8		15.5

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16.1		4.4		2.9		2.1		0.1		---		---		---		---		---		0.1		1.7		4.8

Average Snow Cover

Years on Record: 39

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		1		6		4		1		---		---		---		---		---		---		---		---		3

Most Snow Reported in a Month

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		72		55		46.5		40.1		7		---		---		---		---		---		2.6		45.5		72

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		14.8		4.1		2.7		1.8		0.1		---		---		---		---		---		0.1		1.6		4.4

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		6.9		2.1		1.2		0.8		---		---		---		---		---		---		---		0.7		2.1

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		3.3		1		0.7		0.3		---		---		---		---		---		---		---		0.2		1.1

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		1.1		0.4		0.2		---		---		---		---		---		---		---		---		0.1		0.4

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		50		15.4		11.8		5.7		0.1		---		---		---		---		---		---		3.2		13.8

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		36.1		12.6		9		3.6		---		---		---		---		---		---		---		1.6		9.3

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		26.3		10.4		7.5		2.1		---		---		---		---		---		---		---		0.8		5.5

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		15		6.9		4.8		1		---		---		---		---		---		---		---		0.3		2

DEGREE DAYS

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6103		955		805		746		545		344		184		67		58		182		484		766		967

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		265		---		---		---		---		6		28		98		106		26		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1867		---		---		2		34		160		296		496		513		298		66		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		9.4		10.8		12.5		14.3		16		16.8		16.3		14.8		13.1		11.3		9.7		9

SOLAR RADIATION

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.5		1.2		2.2		3.3		4.6		5.4		5.6		5.9		5.2		3.9		2.3		1.4		1

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		0.8		1.1		1.7		2.1		2.5		2.7		2.6		2.2		1.8		1.2		0.8		0.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.9		2.2		3.4		4.2		4.8		4.9		4.8		5.3		5.2		4.6		3.2		2.3		2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		2		3		3.7		4.7		4.9		4.8		5.6		5.3		4.4		3		2		1.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.5		1.2		2.2		3.3		4.6		5.4		5.6		5.9		5.2		3.9		2.3		1.4		1

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.8		0.8		1.2		1.9		2.1		2.5		2.7		2.9		2.3		2		1.4		0.9		0.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.8		2.7		3.9		5.2		5.6		6.1		5.8		6.8		6		5.8		4.2		2.9		2.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.9		2.4		3.5		5		5.9		6.9		6.8		7.8		6.5		5.8		4.1		2.5		2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.8		1.1		1.7		2.8		4		4.4		4.2		4.5		4.5		2.9		1.9		1.1		0.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		0.7		1		1.6		2.1		2.5		2.6		2.5		2.2		1.6		1		0.7		0.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.1		1.9		2.5		3.5		4.1		4		3.7		4		4.4		3.2		2.5		1.8		1.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.6		1.7		2.1		2.8		3.5		3.3		2.7		3.1		4		2.6		2.2		1.5		1.2

NEARBY - MAP

NEARBY - LIST

Marblemount, Washington (4 mi / 7 km)
Concrete, Washington (9 mi / 15 km)
Newhalem, Washington (9 mi / 15 km)
Marblemount - Olson Creek, Washington (22 mi / 36 km)
Mazama, Washington (29 mi / 47 km)

GEOBA.SE

National Forest, Washington