FORT MCPHERSON, NORTHWEST TERRITORIES

Average Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		18.8		-17.5		-12.8		-4.5		14.2		35.8		55.4		59.4		53.2		40.2		19.4		-5		-12

Average High Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		26.7		-10.8		-5.4		5.2		24.7		44.4		65.3		68.4		61.5		47.1		24.8		1.1		-5.4

Average Low Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		11		-24		-20.1		-14.2		3.7		27.2		45.5		50.3		44.9		33.4		14.2		-10.9		-18.5

Highest Recorded Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		91.9		42.8		47.3		48.2		60.8		78.8		89.6		91.9		91.4		80.6		75.4		50		48.2

Lowest Recorded Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-58.9		-58.9		-58.5		-50.8		-35.5		-12.1		25.7		33.6		26.6		-3.1		-35.5		-47.2		-49

Average Number of Days Above 95F/35C

Years on Record: 21

ANNUAL

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Average Number of Days Above 86F/30C

Years on Record: 21

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

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		40		---		---		---		---		1.1		12.9		16.8		8.3		0.8		0.1		---		---

Average Number of Days Above 50F/10C

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		102.6		---		---		---		0.8		9.1		26.3		29.3		25.5		11		0.7		---		---

Average Number of Days Above 32F/0C

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		165.5		1		0.8		1.5		8.7		25.4		30		31		31		27.3		7.6		0.7		0.6

Average Number of Days Below 35F/2C

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		261.5		31		28.3		30.7		29		25.3		3.8		0.2		4.4		17.8		30.4		30		30.6

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		245.8		31		28.2		30.7		28.9		21.5		1.4		---		1.7		11.9		30		30		30.6

Average Number of Days Below 28F/-2C

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		227		31		28.2		30.7		28.2		15.3		0.1		---		0.1		4.9		27.8		30		30.6

Average Number of Days Below 10F/-12C

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		186.9		30.6		27.8		30		22.5		3.6		---		---		---		0.1		13.9		28.5		30.1

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

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		133		27.7		23.9		24		9.9		0.1		---		---		---		---		2.6		19.5		25.3

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

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		58.1		17		12.5		9.4		0.8		---		---		---		---		---		0.2		6.2		12

Lowest Reported Wind Chill

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-75.5		-74		-70.3		-65.9		-42.8		-26.6		15.4		32		23.4		0.5		-40.3		-58.1		-75.5

Highest Reported Humidex

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		101.9		48.2		45.7		46.8		60.3		82.9		101.9		93.1		96.3		80.5		75.4		39.9		40.3

Average Precipitation

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		11.7		0.6		0.6		0.5		0.4		0.7		1		1.8		1.6		1.3		1.5		1.1		0.7

Most Precipitation Reported in a Day

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		1.6		0.5		0.5		0.4		0.5		0.9		1		1.1		0.8		1.6		0.6		0.5		0.4

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

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		94.3		6.4		5.1		6		4.1		5.2		7		9.9		11.3		11		11.8		9.9		6.8

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

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17.6		0.7		0.9		0.3		0.4		0.8		1.6		3.2		2.8		1.9		2.3		1.9		0.9

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

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.4		0.1		0.3		---		0.1		0.4		0.6		1.4		0.8		0.5		0.7		0.4		0.2

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

Years on Record: 21

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

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

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		60		5.9		5.8		5		4.2		3.5		0.2		---		0.1		2.9		14.3		11.4		6.7

Average Rainfall

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		5.7		---		---		---		---		0.3		1		1.8		1.5		1		---		---		---

Most Rain Reported in a Day

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		1.6		---		---		---		0.1		0.9		1		1.1		0.8		1.6		0.4		---		---

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		9.4		---		---		---		---		0.4		1.6		3.2		2.7		1.5		---		---		---

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3.3		---		---		---		---		0.2		0.6		1.4		0.7		0.4		---		---		---

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

Years on Record: 26

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

Average Snow Cover

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		8.8		18.2		19.4		18.5		15.9		4		---		---		---		0.1		3.9		11.5		14.4

Average Snow Cover at Month End

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		8.6		18.1		20		18		10		---		---		---		---		0.7		8.1		13.3		15.4

Deepest Snow Cover Reported

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		44.9		31.9		44.9		30.3		31.9		29.1		0.4		---		0.4		5.5		25.2		24.8		26.4

Most Snow Reported in a Day

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		5.5		4.7		5.1		3.9		4.7		4.7		1.2		---		0.5		3.9		5.5		4.7		4.3

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

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		55.1		6.4		5.1		6		4		2.9		0.2		---		0.2		2.6		11.2		9.9		6.7

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

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8		0.7		0.9		0.3		0.4		0.4		---		---		---		0.3		2.3		1.9		0.9

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

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2		0.1		0.3		---		0.1		0.1		---		---		---		0.1		0.7		0.4		0.2

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

Years on Record: 21

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

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		218.2		31		28.3		31		30		12.9		---		---		---		2.1		21.9		30		31

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		209.8		31		28.3		31		30		11.6		---		---		---		0.6		16.4		30		31

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		202.9		31		28.3		31		30		9.3		---		---		---		0.4		12		30		31

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		180.7		31		28.3		31		27.3		4.1		---		---		---		---		4.2		26.1		28.8

Heating Degree Days

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17360.5		2666		2316.5		2216.5		1500		992		405		217		434		810		1426		2130		2247.5

Growing Degree Days

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		324		---		---		---		---		---		45		248		31		---		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.8		5.5		9.1		12.8		17		22		24		22.3		19.5		14		10.2		6.4		3.2

Highest Reported Hourly Wind Speed

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		34.8		32.3		25.5		34.8		20.5		23		28.6		20.5		23		23		23		28.6		23

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.4		---		0.5		1.7		3.5		5.2		6.2		5.3		3.6		2.1		0.8		0.1		---

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.3		---		0.3		1.1		1.9		2.5		3.3		2.5		2.2		1.2		0.6		0.1		---

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.8		0.3		1.2		3		4.7		4.9		5.1		4.7		3.7		3		1.9		0.7		---

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.2		---		1		2.6		4.6		6.5		8		6.8		3.7		3		1.6		0.6		---

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.4		---		0.5		1.7		3.5		5.2		6.2		5.3		3.6		2.1		0.8		0.1		---

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		---		0.4		1.1		1.9		2.5		3.4		2.6		2.2		1.3		0.6		0.1		---

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		0.5		1.5		3.7		5.5		5.9		6		5.2		4.5		3.5		2.1		0.8		---

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		---		1.4		3.4		5.8		8.2		10.8		8.1		5.3		3.7		1.9		0.7		---

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		---		0.4		1.4		3.1		4.6		5.3		4.6		3.2		1.9		0.7		0.1		---

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		---		0.3		1		1.9		2.5		3.2		2.4		2.1		1.2		0.5		0.1		---

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		0.2		0.8		2.2		3.9		4.3		4.3		4		3.2		2.5		1.5		0.5		---

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		---		---		0.7		1.7		3.4		5.1		5.8		5.4		2.7		2.4		1.3		0.4		---