ARNOLD, CALIFORNIA

Average Temperature

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		50.1		36.4		37.7		40.3		45		52.5		60.5		67.8		66.6		61.4		52.7		43.1		37.6

Average High Temperature

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		62.1		45.2		46.9		50.5		56.4		65.3		74.7		83.2		82		75.9		65.5		53.5		46.6

Average Low Temperature

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		38.1		27.6		28.5		30.1		33.6		39.8		46.3		52.3		51.1		46.9		39.9		32.6		28.7

Highest Recorded Temperature

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		107		78		82		82		88		93		100		107		106		106		94		90		79

Lowest Recorded Temperature

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-4		1		-4		8		15		10		21		32		32		28		20		9		---

Average Number of Days Above 90F/32C

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.8		---		---		---		---		---		1.3		5.1		4		1.3		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		48		---		---		---		---		1.4		6.6		17.2		15.9		6.2		0.8		---		---

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		119.6		---		---		---		2		9.3		20.6		29.3		29.4		21.2		7.7		0.1		---

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		175.3		0.4		1.1		2.7		9.5		20.1		27.3		30.8		30.9		27.3		19.7		5.1		0.3

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		248.4		8.3		8.1		14.5		19.1		27.1		29.6		31		31		29.6		27.4		16.1		6.5

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		318.1		20.6		18.7		24.8		26.2		30.2		30		31		31		30		30.6		25.1		19.9

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		358.9		31		28		31		30		31		29.8		27.7		28.8		29.5		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		287.4		31		28		31		30		28.2		19.2		6.9		7.7		16.5		27.9		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		204.3		30.8		27.7		29.7		24.9		14.7		3.5		0.3		0.1		2.8		12.9		26.2		30.7

Average Number of Days Below 32F/0C

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		129.6		24.7		21.4		21.4		13.8		4.9		0.6		---		---		0.5		4.3		15.1		23

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		8.4		2.4		2.2		0.7		0.2		---		---		---		---		---		---		0.7		2.3

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

Average Precipitation

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		54.4		10.4		9.4		8.1		4.6		2.2		0.6		0.1		0.2		0.7		2.9		5.8		9.4

Average Number of Days With Precipitation

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		67		10		10		10		7		5		2		---		1		2		4		7		9

Most Reported Precipitation in a Month

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		36.3		34		36.3		25.3		17.2		8.7		3.8		3.5		3.6		5.2		10.9		24		34.2

Least Reported Precipitation in a Month

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		0.5		---		---		---		---		---		---		---		---		---		---		---

Most Precipitation Reported in a Day

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		8.1		7.8		8.1		5.3		4.5		4.6		2.1		2.2		2.2		4.5		5.5		6.7		8

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		60.3		9.3		9.3		9.1		5.9		4		1.4		0.3		0.2		1.5		3.5		6.8		9

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

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		56		9		9		9		6		4		1		---		---		1		3		6		8

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

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31		6		5		5		3		2		---		---		---		---		2		3		5

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		33.7		6		5.4		5.2		3.1		1.9		0.4		---		---		0.6		2		3.7		5.4

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

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		20		4		3		3		2		1		---		---		---		---		1		2		4

Average Snowfall

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		129.3		29.6		23.6		27.3		16.1		2.1		0.1		---		---		---		0.4		8.2		21.9

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28.4		5.8		5.7		5.6		2.9		0.8		---		---		---		---		0.4		2.2		5

Average Snow Cover

Years on Record: 51

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		3		10		12		10		4		---		---		---		---		---		---		---		4

Most Snow Reported in a Month

Years on Record: 82

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		128.5		128.5		100		94.1		109.4		23		2.5		---		---		0.5		8		55.1		77.5

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		23.8		4.8		4.9		4.9		2.3		0.6		---		---		---		---		0.2		1.8		4.3

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		14		2.6		3.1		2.8		1.5		0.3		---		---		---		---		0.1		1		2.6

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		8.6		1.7		1.7		1.9		0.9		0.1		---		---		---		---		---		0.7		1.6

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		2.4		0.5		0.7		0.6		0.1		---		---		---		---		---		---		0.2		0.3

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5915		887		788		784		628		404		168		40		44		159		411		700		900

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		257		---		---		---		---		4		29		103		87		30		3		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2021		---		1		5		33		145		323		529		509		332		131		14		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.4		11.3		12.5		13.7		14.8		15.3		15		14		12.8		11.6		10.6		10

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.1		2.4		3.3		4.7		5.9		7.1		8		8		7.1		5.9		4.3		2.8		2.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.3		0.8		1		1.3		1.7		1.9		1.8		1.6		1.4		1.2		0.9		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		5.8		4		4.6		5.7		6.1		6.5		6.9		7.1		7		6.8		6.1		4.5		4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7		4.4		5.1		6.2		6.9		8		9.4		9.8		9		8.2		7		5		4.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.1		2.4		3.3		4.7		5.9		7.1		8		8		7.1		5.9		4.3		2.8		2.2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.9		1.2		1.5		2		2.3		2.3		2		1.7		1.5		1.1		0.9		0.8

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.8		5.2		5.6		6.9		7.1		7.6		7.6		7.8		7.8		7.5		7.1		5.4		5.4

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		8.9		6.1		6.7		8.2		8.9		11		11.5		11.8		11		9.6		8.7		6.4		6.5

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.4		2		2.7		4.1		4.8		5.7		6.8		7.1		6.4		5		3.7		2.4		1.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		0.9		0.6		0.8		1		1.4		1.3		1.3		1.1		1		0.9		0.7		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		4.8		3.1		3.4		4.8		4.8		5.3		5.9		6.3		6.3		5.7		5.1		3.6		2.9

Minimum 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		3.2		3.3		4.7		4.6		5.3		6.9		7.8		7.4		6.2		5.4		3.8		3