MONTPELIER, CALIFORNIA

Average Temperature

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		16		7		10		12		15		18		22		25		25		22		18		12		8

Average High Temperature

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		23		11		15		17		21		26		31		34		33		31		25		17		11

Average Low Temperature

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10		3		5		7		8		11		14		16		16		14		11		6		3

Highest Recorded Temperature

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		46		23		25		30		36		41		43		46		43		43		38		30		24

Lowest Recorded Temperature

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-8		-6		-5		-2		---		2		6		8		7		5		---		-3		-8

Average Number of Days Above 90F/32C

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		76		---		---		1		5		12		23		20		13		2		---		---		---

Average Number of Days Below 40F/4C

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		60		18		10		6		2		---		---		---		---		---		1		7		16

Average Number of Days Below 32F/0C

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		15		6		2		1		---		---		---		---		---		---		---		1		5

Average Precipitation

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		530		100		90		70		30		10		---		---		---		---		20		60		80

Average Number of Rainy Days

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		59		10		9		9		5		3		1		1		1		1		3		7		9

Average Number of Days With Thunderstorms

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12		1		1		1		1		1		1		1		1		1		1		1		1

Most Rain Reported in a Day

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		120		70		120		50		70		60		30		30		10		50		90		70		70

Most Rain Reported in a Month

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1130		320		320		250		130		70		30		30		10		80		160		210		400

Least Rain Reported in a Month

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		180		---		---		---		---		---		---		---		---		---		---		---		---

Deepest Snow Cover Reported

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2		---		2		---		---		---		---		---		---		---		---		---		---

Most Snow Reported in a Day

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		6		2		---		---		---		---		---		---		---		---		---		---		2

Most Snow Reported in a Month

Years on Record: 50

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2		---		2		---		---		---		---		---		---		---		---		---		---

Average Morning Relative Humidity

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		74		88		85		80		73		65		61		60		64		68		73		82		87

Average Evening Relative Humidity

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		46		70		61		56		43		37		33		32		32		35		38		50		68

Average Dew Point

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		7		4		6		7		7		8		10		11		11		10		8		5		3

Average Wet Bulb

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11		6		8		10		11		13		15		16		16		15		13		8		5

Heating Degree Days

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1342.8		315.6		207.8		175		92.8		29.4		3.3		---		---		2.2		34.4		175.6		306.7

Cooling Degree Days

Years on Record: 55

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		841.1		---		---		0.6		13.3		62.8		142.2		228.9		203.9		146.1		42.8		0.6		---

Growing Degree Days

Years on Record: 56

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2582.9		---		15.7		86.1		166.7		275.6		383.3		482.2		465		383.3		258.3		66.7		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.3		11.3		12.5		13.7		14.8		15.4		15.1		14.1		12.8		11.6		10.5		10

Average Number of Days With Fog

Years on Record: 47

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		91		21		12		7		2		1		1		1		1		1		6		16		22

Average Possibility of Clouds

Years on Record: 10

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		34		59		52		50		44		36		21		9		9		11		22		36		57

Average Wind Speed

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		17		8		9		9		9		9		12		9		8		6		6		8		8

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.3		8		11.3		16.4		21.1		25.4		29		29.6		26.6		21		14.9		9.1		7.3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.4		2.8		3.7		4.8		6.1		6.7		6.2		5.3		4.5		4		3.4		2.9		2.4

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.4		13.3		15.8		20.1		21.7		23.2		24.9		26.1		26.3		24.6		21.4		14.8		13.2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.9		14.4		17.1		21.9		24.6		28.9		34.7		37.3		35.2		30.1		24.4		16.3		14.4

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.3		8		11.3		16.4		21.1		25.4		29		29.6		26.6		21		14.9		9.1		7.3

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		3		4.1		5.7		7.1		8.4		7.9		6.5		5.4		5.2		4.1		3.3		2.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24		17.3		19.8		24.2		24.9		27.2		27.6		28		28.8		27		24.4		20.1		18.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		31.6		20.2		23.5		28.7		31.1		39		42.8		42.7		41.3		34.7		29.3		24.3		21.6

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.5		6.4		8.4		12.9		17.5		19.5		25		27.2		24.9		18.3		12.8		7.3		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		3.3		2.3		3		3.8		5		4.7		4.4		4		3.1		3.1		2.6		2.1		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		16.6		9.7		10.7		14.9		17.7		17.9		21.7		24		24.6		20.9		17.5		10.8		9.4

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.1		9.3		9.7		13.6		17		17.1		26		31.7		31.1		23.2		18.4		10.6		9.2