OIGAWA, JAPAN

Average Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		62		44		45		50		59		65		72		78		80		75		66		57		48

Average High Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		68		52		52		57		66		72		77		83		86		81		72		65		56

Average Low Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		55		36		36		42		51		58		66		72		74		69		59		49		40

Highest Recorded Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		97		68		73		77		84		90		97		97		97		97		88		79		73

Lowest Recorded Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		23		23		23		27		34		45		54		61		64		55		43		34		27

Average Number of Days Above 90F/32C

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16		---		---		---		---		---		---		5		8		2		---		---		---

Average Number of Days Above 70F/21C

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		182		---		---		1		9		23		29		31		31		29		23		6		---

Average Number of Days Below 32F/0C

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24		11		9		2		---		---		---		---		---		---		---		---		3

Average Number of Days With Precipitation

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		277		28		25		26		23		22		21		22		20		23		24		22		21

Average Number of Rainy Days

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		273		26		23		26		23		22		21		22		20		23		24		22		21

Average Number of Days With Thunderstorms

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		32		2		2		1		2		2		2		5		6		4		2		2		2

Average Number of Days With Snow

Years on Record: 14

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

Average Morning Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		82		69		70		75		82		84		89		91		91		89		84		80		74

Average Evening Relative Humidity

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		61		46		48		56		61		64		73		74		72		71		64		57		50

Average Dew Point

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		51		29		30		37		48		56		65		71		73		68		57		46		35

Heating Degree Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2686.8		651		593.3		480.5		195		---		---		---		---		---		---		240		527

Cooling Degree Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1363		---		---		---		---		---		195		387.5		465		300		15.5		---		---

Growing Degree Days

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4588		---		---		---		255		465		645		852.5		930		750		480.5		210		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		10.6		11.4		12.4		13.5		14.5		14.9		14.7		13.9		12.8		11.7		10.8		10.3

Average Number of Days With Fog

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		198		9		9		12		16		19		22		24		22		20		17		15		13

Average Number of Days With Smoke/Haze

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		130		6		8		9		11		13		13		13		13		10		10		11		13

Average No. of Days With Vision Obstruction

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		238		13		14		17		20		22		24		25		24		21		19		19		20

Average Wind Speed

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		12		14		14		13		13		11		11		10		8		11		9		12		13

Average No. of Days With Blowing Dust/Sand

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		238		13		14		17		20		22		24		25		24		21		19		19		20

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4		2.7		3.5		4.3		5.1		5.2		4.7		4.7		4.9		3.7		3.4		2.8		2.6

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		0.9		1.1		1.6		2		2.4		2.5		2.4		2.2		1.8		1.4		1		0.8

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.4		4.1		4.6		4.9		5.1		4.7		4.2		4.3		4.7		3.9		4.2		4.1		4.1

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		4.5		5		4.8		4.9		4.2		3.2		3.5		4.1		3.1		4.1		4.4		4.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4		2.7		3.5		4.3		5.1		5.2		4.7		4.7		4.9		3.7		3.4		2.8		2.6

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		1		1.3		1.7		2.1		2.4		2.5		2.5		2.2		1.8		1.4		1.1		0.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.1		4.8		5.7		5.5		5.8		5.1		4.9		5.2		5.6		4.6		5.2		4.5		4.9

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.4		5.5		6.7		5.7		6.2		4.8		4.5		5.1		5.8		4.3		5.5		5.1		5.7

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.3		2.4		3.1		3.8		4.1		4.6		4.2		3.5		3.7		3		2.7		2.3		2.3

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		0.8		0.9		1.5		1.9		2.4		2.5		2.3		2		1.8		1.2		0.9		0.7

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.6		3.5		3.8		4.2		4		4.2		3.8		3.2		3.6		3		3.1		3		3.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.9		3.6		3.8		3.7		3.1		3.2		2.5		1.8		2.4		2		2.5		2.9		3.7