CHELAN FALLS, WASHINGTON

Average Temperature

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		50.5		27.8		33.7		41.8		50.5		59		66.4		73		72.3		62.9		50.7		38		29.4

Average High Temperature

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		59.8		32.8		40.6		51		61		70.2		77.5		85.3		85		75.1		61.2		44.3		33.9

Average Low Temperature

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		41.1		22.8		26.8		32.7		39.8		47.8		55.3		60.6		59.6		50.7		40.3		31.8		25

Highest Recorded Temperature

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		106		62		63		72		88		98		102		106		105		97		88		72		59

Lowest Recorded Temperature

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-18		-6		-2		9		26		32		33		37		42		26		13		-3		-18

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		0.9		---		---		---		---		---		---		0.6		0.3		---		---		---		---

Average Number of Days Above 90F/32C

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24.2		---		---		---		---		0.3		3.1		10.1		9.8		0.8		---		---		---

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		68.9		---		---		---		0.1		4.2		10.3		22.2		23		9		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		128.6		---		---		0.1		3.4		15		23.4		30		30.4		22.8		3.5		---		---

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		186		---		---		2.7		16.1		27.6		29.6		31		31		29.4		17.9		0.6		---

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		240.4		0.7		2.1		18.8		29		31		30		31		31		30		29		7.5		0.4

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		291.4		6.3		15.7		29		30		31		30		31		31		30		30.8		21.5		5.1

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		362.6		31		28		31		30		31		29.9		29.5		30.3		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		320.3		31		28		31		30		30.3		24.2		11.4		14.2		28.2		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		246.4		31		28		31		29.3		18.6		4.8		1.3		1		11.3		29.2		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		176.9		30.9		27.9		28.3		14.5		2.4		0.2		0.1		---		1.2		13.8		26.5		31

Average Number of Days Below 32F/0C

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		111.7		28		22.6		14.5		2.5		0.1		---		---		---		0.1		2.6		15		26.3

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		20.9		7.4		3.8		0.3		---		---		---		---		---		---		---		1.5		7.9

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		4.7		1.8		0.6		---		---		---		---		---		---		---		---		0.4		1.7

Average Number of Days Below 0F/-17C

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.9		0.5		---		---		---		---		---		---		---		---		---		0.1		0.4

Average Precipitation

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		11		1.5		1.1		0.8		0.7		0.8		0.7		0.3		0.4		0.4		0.7		1.6		1.8

Average Number of Days With Precipitation

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		72		10		7		7		5		5		5		3		3		3		5		9		10

Most Reported Precipitation in a Month

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		6.2		4		2.6		3.3		2.4		3.6		3.2		1.6		2.4		2.5		2.1		6.2		4.7

Least Reported Precipitation in a Month

Years on Record: 121

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

Most Precipitation Reported in a Day

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		1.9		1.4		1.1		0.7		1.1		1.8		1.9		1.2		1.5		1.2		0.9		1.3		1.5

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		35.1		5.2		3.7		3		2.1		2.8		2.2		1.1		1		1.1		2.2		4.9		5.8

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

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		34		5		4		3		2		2		2		1		1		1		2		5		6

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

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3		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		4.9		0.8		0.5		0.3		0.1		0.5		0.4		0.1		0.1		0.1		0.4		0.8		0.8

Average Snowfall

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		31		9.7		4.6		1.7		---		---		---		---		---		---		---		2.8		12.2

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14.6		4.8		2.1		0.6		---		---		---		---		---		---		---		1.4		5.7

Average Snow Cover

Years on Record: 109

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

Most Snow Reported in a Month

Years on Record: 121

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		44.5		28.8		23.2		16.3		1		---		---		---		---		---		0.3		15.8		44.5

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		8.9		3		1.2		0.3		---		---		---		---		---		---		---		0.9		3.5

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		2.7		0.8		0.4		---		---		---		---		---		---		---		---		0.3		1.2

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		0.7		0.2		0.1		---		---		---		---		---		---		---		---		0.1		0.3

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5865		1110		878		701		431		202		61		10		8		104		430		804		1127

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		684		---		---		---		1		24		94		260		246		59		1		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2776		---		---		5		74		291		483		714		704		406		96		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		9.5		10.8		12.5		14.3		15.8		16.6		16.2		14.8		13		11.3		9.8		9.1

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		1.4		2.3		3.5		4.7		5.6		6.1		6.6		5.8		4.4		2.7		1.4		1.1

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		1.2		1.7		2.1		2.5		2.6		2.6		2.3		1.9		1.3		0.8		0.7

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.2		2.3		3.5		4.4		4.9		5.2		5.3		5.9		5.8		5.2		3.7		2.4		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		4.2		2.1		3.1		3.9		4.8		5.3		5.7		6.7		6.2		5.1		3.5		2.1		1.8

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.8		1.4		2.3		3.5		4.7		5.6		6.1		6.6		5.8		4.4		2.7		1.4		1.1

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		0.9		1.3		1.9		2.1		2.5		2.7		2.9		2.4		2.1		1.5		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		4.9		2.6		3.9		5.2		5.6		6.2		6		6.7		6.3		6.1		4.6		2.9		2.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.1		2.4		3.5		5		5.9		7		7.1		7.8		6.9		6.1		4.6		2.6		2.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.2		1.2		1.9		3.1		3.8		4.7		5.4		5		5		3.6		2.3		1.2		0.9

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		1.7		1.2		0.8		0.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.5		2		2.8		3.8		3.9		4.3		4.7		4.4		5		4.1		3.2		2		1.6

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.1		1.8		2.4		3.2		3.1		3.7		4.6		3.9		4.9		3.8		3		1.7		1.4