HARROW, ONTARIO

Average Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		49.1		24.6		26.4		35.9		47.1		58.9		67.9		72.7		70.4		63.2		51.6		40.9		29.4

Average High Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		56.7		30.6		32.6		43.4		55.7		68.3		76.8		81.7		78.9		71.2		59.1		46.8		34.7

Average Low Temperature

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		41.5		18.7		20.2		28.2		38.5		49.5		58.9		63.7		61.8		55		44.1		34.8		24.1

Highest Recorded Temperature

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		105.1		63		66.9		79		86		93.2		100.4		105.1		104		98.1		90		78.1		63

Lowest Recorded Temperature

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-20		-18.4		-20		-5.1		9.5		25		35.1		42.1		39		28		21		3.9		-16.6

Average Number of Days Above 95F/35C

Years on Record: 11

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

Average Number of Days Above 90F/32C

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.7		---		---		---		---		0.6		2.8		5.4		2.1		0.8		---		---		---

Average Number of Days Above 86F/30C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13.9		---		---		---		---		1		3.1		6.6		2.6		0.6		---		---		---

Average Number of Days Above 70F/21C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		128.6		---		---		0.8		4.3		15.1		25.9		30.6		29.6		18.3		3.9		0.2		---

Average Number of Days Above 50F/10C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		219.6		0.3		0.8		7.7		19.8		30.3		30		31		31		30		26.1		10.2		2.4

Average Number of Days Above 32F/0C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		317.9		14.6		14.8		26.3		29.6		31		30		31		31		30		31		28.6		20.1

Average Number of Days Below 35F/2C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		149.2		30.5		27.4		25.5		11.8		1.3		---		---		---		0.5		5.8		18.2		28.4

Average Number of Days Below 32F/0C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		123.1		28.6		25		21.9		7.4		0.5		---		---		---		0.1		2.5		12.6		24.6

Average Number of Days Below 28F/-2C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		83.3		22.8		19.8		14.2		3		0.1		---		---		---		---		0.7		5.9		16.8

Average Number of Days Below 10F/-12C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25.2		9.4		7.8		1.9		0.2		---		---		---		---		---		---		0.1		5.9

Average Number of Days Below -4F/-20C

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.7		1.5		0.5		---		---		---		---		---		---		---		---		---		0.7

Average Number of Days Below -22F/-30C

Years on Record: 11

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Average Precipitation

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		38.5		1.5		2.2		2.5		3.1		3.5		3.4		3.8		4		4.1		3.4		3.7		3.2

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		136.2		11.6		10.3		13.1		12.3		11.9		10.7		8.9		9.5		10.3		11		12.5		14.3

Most Precipitation Reported in a Day

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		7.2		1.8		2.2		1.7		2.3		3.5		2.3		6.5		7.2		4.4		2.4		2.2		2

Avg. No. of Days w/Precip. Above 0.1in/2.5mm

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		135.5		10.6		9.7		11.8		13.3		12.7		10.3		8.8		9.3		10.8		11.8		12.8		13.6

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

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		55.2		2.5		3.4		4.4		5.2		5		4.9		4.4		4.4		4.9		4.7		6.1		5.4

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

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		30.4		0.9		1.8		2.3		2.4		2.4		2.9		2.8		2.6		3		2.8		3.8		2.6

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

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.5		0.2		0.4		0.3		0.4		0.6		0.9		0.8		1		1.5		0.6		0.5		0.5

Average Rainfall

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		34.7		0.6		1.1		2		3		3.5		3.4		3.8		4		4.1		3.4		3.5		2.4

Average Number of Rainy Days

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		113		3.5		4.1		8.7		12.4		12.7		10.3		8.8		9.3		10.8		11.8		12.1		8.5

Most Rain Reported in a Day

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		7.2		1.3		1.8		1.5		2.3		3.5		2.3		6.5		7.2		4.4		2.4		2.2		2

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

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		49.7		1.3		2		3.5		5.1		5		4.9		4.4		4.4		4.9		4.6		5.6		4.1

Avg. No. of Days w/Rain Above 0.4in/10mm

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28.3		0.5		1.1		1.8		2.3		2.4		2.9		2.8		2.6		3		2.7		3.8		2.4

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

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.7		---		0.1		0.2		0.3		0.6		0.9		0.8		1		1.5		0.6		0.4		0.4

Average Snowfall

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		37.6		8.9		10.8		5.8		1.5		---		---		---		---		---		0.3		2.2		8.1

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29.8		8.5		6.6		4.3		1		---		---		---		---		---		0.1		1.8		7.5

Average Snow Cover

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		0.7		2.3		3.4		1.2		0.3		---		---		---		---		---		---		---		1

Average Snow Cover at Month End

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		0.6		2.6		2		0.2		---		---		---		---		---		---		---		---		2

Deepest Snow Cover Reported

Years on Record: 32

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		29.5		27.2		29.5		29.5		13		---		---		---		---		---		1.2		5.9		7.1

Most Snow Reported in a Day

Years on Record: 75

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		17.3		12.2		13.9		17.3		13.2		3		---		---		---		---		3.4		12.7		15.5

Avg. No. of Days w/Snow Above 1in/2.5cm

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26.3		7.4		6.2		3.6		1		---		---		---		---		---		0.1		1.4		6.6

Avg. No. of Days w/Snowfall Above 2in/5cm

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.7		1.1		1.7		0.8		0.1		---		---		---		---		---		0.1		0.4		1.6

Avg. No. of Days w/Snow Above 3.9in/10cm

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.1		0.3		0.9		0.4		0.1		---		---		---		---		---		---		0.1		0.4

Avg. No. of Days w/Snowfall Above 10in/25cm

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.4		0.2		0.1		0.1		0.1		---		---		---		---		---		---		---		---

Av. # of Days w/Snow Depth Above 0.4in/10mm

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		57.8		19.3		14.4		7.2		1.2		---		---		---		---		---		---		1		14.8

Avg. # of Days w/Snow Depth Above 2in/5cm

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		39.5		13.3		11.4		5.5		1.2		---		---		---		---		---		---		0.5		7.6

Av. # of Days w/Snow Depth Above 3.9in/10cm

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25.2		8.9		8		4.8		1		---		---		---		---		---		---		---		2.5

Av. # of Days w/Snow Depth Above 7.8in/20cm

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.6		0.5		4.5		2		0.6		---		---		---		---		---		---		---		---

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3580.9		705.8		616.7		500.4		302.8		125.8		26.1		3.3		7.1		62.5		226.5		396.7		607.2

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		394.8		---		---		---		2.2		24.2		76.8		136.7		108.5		43.6		2.8		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2545.3		---		---		---		---		263.5		525		685.1		629.3		399		43.4		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.7		10.1		11.1		12.5		13.9		15.1		15.8		15.4		14.3		12.9		11.5		10.3		9.7

Average Monthly Sunshine

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		2001.7		83.8		107.3		136.8		174.1		235.2		269.9		270.6		241.4		187.3		149.8		86.1		59.6

Average Number of Days with Sun

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		301.3		20.4		20.3		24.8		26.1		29.1		29.1		30.2		29.6		28.3		26.3		20.9		16.2

Average Possibility of Sunshine

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		43.5		28.9		36.4		35.3		44.4		52.9		58.8		60.4		57.6		49.5		44		30.4		23

Most Sunshine Reported in a Day

Years on Record: 45

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		14.9		9.1		10.1		10.7		13.9		14.8		14.8		14.9		14.4		12.4		10.7		9.8		8.7

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.6		1.5		2.2		3.3		4.5		5.3		5.9		5.9		5.1		4.2		2.8		1.7		1.3

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.7		1		1.5		2		2.3		2.4		2.3		2		1.5		1.2		0.8		0.6

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		2.4		3		3.9		4.6		4.8		5.2		5.3		5		4.8		3.8		2.6		2.2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.9		2.2		2.8		3.5		4.3		4.7		5.4		5.7		5.1		4.9		3.7		2.5		2.1

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.6		1.5		2.2		3.3		4.5		5.3		5.9		5.9		5.1		4.2		2.8		1.7		1.3

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		0.7		1.1		1.5		2		2.4		2.5		2.4		2.1		1.7		1.2		0.8		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		4.7		3.2		4		4.8		5.3		5.7		5.8		5.8		5.5		5.9		4.4		3.4		3

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		3.2		4.2		5		5.6		6.4		7		6.8		6.1		6.8		4.5		3.5		3.2

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.9		1.2		1.6		2.5		3.7		4.4		5.1		4.7		4.3		3.2		2.4		1.2		1

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		0.7		1		1.4		1.8		2.1		2.2		2.2		1.9		1.3		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		3.1		1.8		2		2.8		3.7		4.1		4.4		4.2		4.1		3.4		3.1		1.6		1.6

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.5		1.5		1.5		2.1		3		3.3		4		3.6		3.6		2.8		2.7		1.2		1.4