OTHO, IOWA

Average Temperature

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.6		-8.2		-5.8		1.1		9		15.4		20.7		23.3		22		17.3		10.8		2.2		-5.2

Average High Temperature

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.6		-2.9		-0.3		6.6		15.5		22.1		27.2		29.8		28.4		24.1		17.4		7.6		-0.3

Average Low Temperature

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		2.5		-13.4		-11.2		-4.5		2.4		8.7		14.3		16.8		15.5		10.5		4.2		-3.2		-10.1

Highest Recorded Temperature

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		43.3		27.8		19.4		31.1		37.8		41.1		40		43.3		42.8		39.4		35		26.7		19.4

Lowest Recorded Temperature

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-37.2		-37.2		-34.4		-30		-14.4		-6.1		1.1		1.7		1.7		-6.7		-20		-22.8		-37.2

Average Number of Days Above 90F/32C

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.5		---		---		---		0.1		1.1		4.8		8.8		6.3		2.2		0.1		---		---

Average Number of Days Below 32F/0C

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		155.7		30.6		27.3		25		11		1.5		---		---		---		0.8		7.8		22		29.8

Average Number of Days Below 0F/-17C

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.4		9.9		6.6		1		---		---		---		---		---		---		---		0.5		5.4

Average Precipitation

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		819		23		25		49		75		106		124		100		105		89		56		40		25

Average Number of Days With Precipitation

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		98		6		6		8		9		11		11		10		9		9		7		6		6

Most Reported Precipitation in a Month

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		373		68		83		156		216		262		321		287		373		347		195		181		73

Least Reported Precipitation in a Month

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		---		1		2		1		9		16		16		5		12		7		1		---		---

Most Precipitation Reported in a Day

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		165.1		29.2		31.8		66.3		82		83.3		165.1		108		111.8		160		83.8		58.7		37.6

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

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		61		3		3		4		6		8		8		6		6		6		4		4		3

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

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		19		---		---		1		2		3		3		2		3		2		2		1		---

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

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7		---		---		---		1		1		1		1		1		1		1		---		---

Average Number of Rainy Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		97.1		5.7		5.4		7.8		9.1		11.3		11		9.7		9.3		9		6.9		6.2		5.6

Most Rain Reported in a Day

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		160		20		30		70		80		80		140		100		110		160		80		50		30

Most Rain Reported in a Month

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1230		60		80		220		200		240		300		280		280		340		150		180		70

Least Rain Reported in a Month

Years on Record: 98

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		520		---		---		---		---		10		10		---		10		---		---		---		---

Average Snowfall

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		89.4		19.3		19.6		19.1		4.3		---		---		---		---		---		0.8		8.1		18.3

Most Snow Reported in a Month

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		97.8		61.5		69.8		81.3		39.4		2.5		---		---		---		---		15.2		49.5		97.8

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4173.9		855		676.1		535		303.9		125.6		19.4		5		17.2		83.3		262.8		520.6		770

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		414.4		---		---		---		1.1		32.8		88.9		143.9		112.8		33.9		1.1		---		---

Growing Degree Days

Years on Record: 112

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1514.8		---		---		---		---		167.1		321.7		411.6		372		218.3		24.1		---		---

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		11.1		12.5		13.9		15.2		15.8		15.5		14.3		12.9		11.5		10.3		9.7

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		6.3		9.3		12.5		16.2		19.4		21.6		21.6		18.8		14.9		10.6		6.6		5.3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.3		2.4		3.5		5.1		6.9		8.1		8.6		8.1		7.1		5.5		3.9		2.7		2.1

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.6		12		14.3		15.4		16.7		17.8		18.8		19.3		18.5		17.1		15.1		11.2		10.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16		12.1		14.5		14.8		16.1		18		20.4		21.4		19.6		17.6		15.4		11.3		10.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		6.3		9.3		12.5		16.2		19.4		21.6		21.6		18.8		14.9		10.6		6.6		5.3

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		2.5		3.6		5.3		7.1		8.5		9		8.7		7.5		5.9		4.1		2.8		2.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.8		14.7		17.2		19.8		20.9		20.7		22.2		21.3		21.1		20.9		18.9		14.7		13.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.4		15.6		18.6		21.1		23.6		24.1		28.6		26		24.5		23.9		21		16.3		14.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.8		5.6		7.3		9.1		13		14.8		18		16.8		16.1		11.8		7.6		5.1		3.8

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.8		2.2		3.1		4.6		6.2		7.6		7.6		7.6		6.5		4.8		3.4		2.5		2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.7		10.2		10.1		10.3		13		13.5		15.8		15		15.7		12.9		9.7		7.7		6.6

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10		9.8		9.1		8		10.2		10.3		14.1		12.8		14.3		11.1		8		6.8		5.8