OLDTOWN, IDAHO

Average Temperature

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		45.1		24.8		29.4		36.9		45.2		53.3		59.6		65.8		64.3		55.9		45.2		34		27.2

Average High Temperature

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		58		31.6		38.3		48.2		59.3		68.7		75.5		85.2		84.2		73.3		58.2		40.9		32.9

Average Low Temperature

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		32.2		17.9		20.5		25.5		31.1		37.9		43.6		46.4		44.4		38.4		32.3		27.2		21.4

Highest Recorded Temperature

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		107		56		61		75		93		96		99		107		106		99		85		62		60

Lowest Recorded Temperature

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-41		-41		-39		-14		6		17		25		27		25		11		-1		-14		-37

Average Number of Days Above 90F/32C

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23		---		---		---		---		0.4		1.9		10.6		8.7		1.4		---		---		---

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		60.8		---		---		---		0.1		3.1		8.7		20.3		20.5		8		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		109.6		---		---		---		3.2		10.6		19.3		28.4		27.9		17.7		2.4		---		---

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		160.5		---		---		1.9		10.8		23.3		27.9		30.8		30.8		26.3		8.7		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		210.5		---		1.1		10.6		22.9		30.2		29.9		31		31		29.4		22		2.4		---

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		265.3		2.4		9.8		26.1		29.4		31		30		31		31		30		29.6		13.1		2

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		362.8		31		28		31		30		31		29.7		29.6		30.5		30		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		330.4		31		28		31		29.9		28.6		22.8		18.2		21.2		28.1		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		27.9		30.3		25.9		16.4		5.6		1.7		4		15.8		25.9		29		31

Average Number of Days Below 32F/0C

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		183.2		29		26		25.9		18.4		7.8		1.3		0.3		0.9		6.3		16.2		22.6		28.4

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		48.7		12.4		10.2		4.4		1.1		---		---		---		---		0.1		2.1		5.5		12.8

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		15.9		4.3		3.6		0.7		---		---		---		---		---		---		0.3		1.7		5.2

Average Number of Days Below 0F/-17C

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.4		4		2		0.4		---		---		---		---		---		---		---		0.4		1.8

Average Precipitation

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		26		3.2		2.3		2.3		1.8		2.1		1.9		0.9		1		1.4		2.1		3.5		3.6

Average Number of Days With Precipitation

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		114		13		10		11		9		10		9		5		5		6		9		13		14

Most Reported Precipitation in a Month

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		8.3		7.9		5.9		5.5		4.5		5.7		4.8		5.1		3.6		7.9		8.2		8.3		6.9

Least Reported Precipitation in a Month

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		---		---		---		0.1		0.3		0.3		0.4		---		---		---		0.1		0.5		0.8

Most Precipitation Reported in a Day

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		3.5		1.6		1.7		2.5		1.3		2.9		1.8		1.6		1.5		1.8		2.1		2		3.5

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		68.3		7.7		5.7		6.9		5.5		5.8		5.5		3		2.5		3.2		5.2		8.7		8.6

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

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		72		9		6		7		5		6		5		3		3		4		6		9		9

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

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14		2		1		1		1		1		1		---		1		1		1		2		2

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		16.2		2.1		1.2		1.3		1.2		1.2		1.2		0.8		0.6		0.7		1.2		2.2		2.5

Average Snowfall

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		58		18.9		10.2		4.4		0.4		---		---		---		---		---		0.4		6.3		17.4

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22.5		6.3		3.7		1.8		0.2		---		---		---		---		---		0.1		2.2		8.2

Average Snow Cover

Years on Record: 72

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		3		10		10		5		---		---		---		---		---		---		---		1		5

Most Snow Reported in a Month

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		73		73		38.8		23		5		---		---		---		---		2		10		30.4		48

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		15.7		4.5		2.6		1.2		---		---		---		---		---		---		---		1.3		6.1

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		7.1		2.4		1.2		0.2		---		---		---		---		---		---		---		0.4		2.9

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		2.8		0.9		0.5		0.1		---		---		---		---		---		---		---		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		0.2		---		0.1		---		---		---		---		---		---		---		---		---		0.1

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7521		1212		1001		863		614		370		184		60		80		276		659		967		1235

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		195		---		---		---		---		4		23		89		70		8		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1648		---		---		1		26		145		294		495		456		206		26		---		---

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		15.9		16.7		16.2		14.8		13		11.3		9.8		9

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.7		1.3		2.3		3.5		4.6		5.5		6		6.7		5.8		4.3		2.6		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		2.7		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		5.2		5.9		5.8		5.1		3.6		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		4.1		2		3.1		3.9		4.6		5		5.5		6.7		6.2		4.9		3.4		1.9		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		3.7		1.3		2.3		3.5		4.6		5.5		6		6.7		5.8		4.3		2.6		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		1.9		0.9		1.3		1.8		2.1		2.5		2.7		3.2		2.5		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		5.5		6		5.9		7		6.5		6.1		4.5		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		5		2.3		3.5		4.7		5.7		6.7		6.9		7.8		7		6.2		4.5		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		3		1.2		1.7		3.1		3.9		4.5		5.1		4.5		4.8		3.2		2		1.1		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		1.1		0.7		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		3.3		2		2.5		3.9		4		4.1		4.4		4		4.7		3.6		2.7		1.6		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		2.8		1.8		2.1		3.3		3.2		3.3		3.9		3.1		4.4		3.1		2.4		1.3		1.3