MASSEY, ONTARIO

Average Temperature

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4.7		-11.1		-9.6		-4.5		4.4		10.9		15.9		18.7		17.8		13.4		6.9		0.3		-6.7

Average High Temperature

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		10.5		-5.8		-3.8		1.6		10.4		17.6		22.7		25.4		24.3		19.4		11.8		4.2		-2.3

Average Low Temperature

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-1.1		-16.4		-15.5		-10.5		-1.5		4.1		9		12		11.1		7.3		2		-3.6		-11.1

Highest Recorded Temperature

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		37		8		10		19		27		30		33.5		37		36		32.5		27.5		18.5		14.5

Lowest Recorded Temperature

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-41		-41		-41		-36		-24.5		-5		-1.5		2		---		-7.5		-8.5		-29		-38.5

Average Number of Days Above 95F/35C

Years on Record: 23

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

Average Number of Days Above 86F/30C

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.4		---		---		---		---		---		0.9		2		1.1		0.3		---		---		---

Average Number of Days Above 70F/21C

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		102.5		---		---		---		2		8.7		21.4		28.4		27.3		13.6		1.2		---		---

Average Number of Days Above 50F/10C

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		189.5		---		---		1.7		15.9		28.6		29.9		31		31		29.3		18.6		3.4		0.1

Average Number of Days Above 32F/0C

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		281.8		6.3		7.5		18.8		29.1		31		30		31		31		30		31		24		12.3

Average Number of Days Below 35F/2C

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		208.6		31		28.1		30.4		24.1		12.1		2.2		0.1		0.5		6.2		17.2		26.4		30.4

Average Number of Days Below 32F/0C

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		182.7		30.7		27.3		28.9		20.1		8		0.5		---		0.1		2.9		12.9		22.4		29

Average Number of Days Below 28F/-2C

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		145.5		29.1		25.8		25.8		13.4		2.8		---		---		---		0.6		7.1		15.4		25.5

Average Number of Days Below 10F/-12C

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		74.6		21.1		19.5		14.1		0.8		---		---		---		---		---		---		3.9		15.3

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28.5		9.8		8.8		4.1		0.1		---		---		---		---		---		---		0.2		5.5

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.3		2.7		1.5		0.2		---		---		---		---		---		---		---		---		1

Average Precipitation

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		890.1		58.8		45		60.8		60.4		76.6		74.7		75.1		85		91.2		99		88		75.5

Most Precipitation Reported in a Day

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		85		20		24		40.2		49.4		52.6		44.2		68.4		85		50		45.6		54.2		37.2

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		135.4		12.8		9.4		8.9		9.4		11.2		10		10.3		10.3		12		13.7		13.7		13.9

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		56.7		4.5		3.5		3.9		4		4.8		4.8		4.3		4.6		5.5		6.3		5.4		5.3

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29.7		1.6		1.3		2.4		2		2.7		2.4		2.7		2.8		3.2		3.4		2.7		2.7

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5		0.1		---		0.3		0.4		0.4		0.6		0.6		1		0.6		0.6		0.5		0.1

Avg. No. of Days w/Rain Above 0.1in/2mm

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		93.9		1.5		1.7		3.7		7.4		11.2		10		10.3		10.3		12		13.3		9		3.4

Average Rainfall

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		689.2		8.1		8.7		32.2		52.8		76.1		74.7		75.1		85		91.2		96.7		65.8		23

Most Rain Reported in a Day

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		85		18.8		16.6		40.2		49.4		52.6		44.2		68.4		85		50		45.6		54.2		37.2

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		42.1		0.5		0.7		1.9		3.4		4.8		4.8		4.3		4.6		5.5		6.3		4		1.6

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		23.6		0.3		0.3		1.2		1.7		2.7		2.4		2.7		2.8		3.2		3.3		2.1		0.8

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4.9		0.1		---		0.2		0.4		0.4		0.6		0.6		1		0.6		0.6		0.5		0.1

Average Snowfall

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		200.9		50.7		36.3		28.7		7.7		0.5		---		---		---		---		2.3		22.2		52.6

Average Snow Cover

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		10.9		27.1		43.7		43.8		2.8		---		---		---		---		---		---		0.8		12.6

Average Snow Cover at Month End

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		9.2		34.9		39.2		14.3		---		---		---		---		---		---		---		2.6		18.8

Deepest Snow Cover Reported

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		90		67		74		90		58		9		---		---		---		---		4		27		49

Most Snow Reported in a Day

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		34		20		24		23		18.6		9		---		---		---		---		14		34		22

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		46.3		11.9		8.1		5.6		2.6		0.1		---		---		---		---		0.8		5.8		11.4

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		14.3		4		2.8		2.1		0.4		---		---		---		---		---		---		1.4		3.7

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

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.5		1.2		0.9		1.2		0.1		---		---		---		---		---		---		0.5		1.6

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

Years on Record: 23

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

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		126.7		30.8		28.3		29.8		5.6		0.1		---		---		---		---		0.1		6.8		25.2

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

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		115.2		30.3		28.3		29.3		4		0.1		---		---		---		---		---		2.8		20.4

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

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		105		28		28.3		29.1		3.1		---		---		---		---		---		---		1		15.4

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

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		86.6		22.4		28		27.4		2		---		---		---		---		---		---		---		6.7

Heating Degree Days

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4965.7		912.3		789		707.7		417.9		230.3		72.9		---		16.4		147.9		354.3		540.9		775.9

Cooling Degree Days

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.5		---		---		---		---		---		---		11.5		---		---		---		---		---

Growing Degree Days

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		818.4		---		---		---		---		27.9		177		269.7		241.8		102		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.8		9.7		10.9		12.5		14.1		15.6		16.4		15.9		14.6		13		11.4		10		9.3

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.8		5.6		9.1		13.5		17		19		20.9		20.2		17.1		12.8		8.4		5.2		4.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6		3.2		4.5		6.4		6.9		8.9		9.4		9.1		8.1		6.3		4.3		3		2.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.2		9.9		13.8		17.4		17.8		17.4		18.1		18		16.8		14.4		11.2		8		7.5

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.3		8.5		12.3		15.1		18		16.7		18.5		18.2		15.6		12.8		10.2		6.8		6.7

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.8		5.6		9.1		13.5		17		19		20.9		20.2		17.1		12.8		8.4		5.2		4.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.4		3.5		4.9		7.1		7.3		9		9.5		9.2		8.2		6.6		4.7		3.3		3.1

Maximum 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		11.4		15.8		21		21.4		20.2		19.8		22		18.8		17.4		13		9.4		9.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.7		10		14.4		19.2		22.9		21.8		21.9		25.4		19.1		16.8		12.2		7.9		8.9

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		5.1		8.3		11.8		14.3		15.9		17.9		16.3		15.3		10.8		6.6		4.4		3.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.8		3		4.3		6.1		6.6		8.7		9.2		9		8		5.9		3.7		2.7		2.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.9		8.8		12.5		14.9		14.8		14.5		15.6		14.5		14.9		11.8		8.5		6.5		5.5

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		7.4		10.9		12.2		13.7		11.4		13.5		11.6		12.3		9.5		7.2		5.4		4.6