FORT MCPHERSON, NORTHWEST TERRITORIES

Average Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-7.3		-27.5		-24.9		-20.3		-9.9		2.1		13		15.2		11.8		4.6		-7		-20.5		-24.4

Average High Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-2.9		-23.8		-20.8		-14.9		-4		6.9		18.5		20.2		16.4		8.4		-4		-17.2		-20.8

Average Low Temperature

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-11.7		-31.1		-29		-25.7		-15.7		-2.7		7.5		10.2		7.2		0.8		-9.9		-23.8		-28.1

Highest Recorded Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		33.3		6		8.5		9		16		26		32		33.3		33		27		24.1		10		9

Lowest Recorded Temperature

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-50.5		-50.5		-50.3		-46		-37.5		-24.5		-3.5		0.9		-3		-19.5		-37.5		-44		-45

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
C		-59.7		-58.9		-56.8		-54.4		-41.6		-32.6		-9.2		---		-4.8		-17.5		-40.2		-50		-59.7

Highest Reported Humidex

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		38.8		9		7.6		8.2		15.7		28.3		38.8		34		35.7		27		24.1		4.4		4.6

Average Precipitation

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		297.7		14.9		14.8		12.7		10.9		17.2		25.5		46.4		39.4		33.1		37		29		17

Most Precipitation Reported in a Day

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		39.8		12		13		10		12		21.8		25		27.8		20		39.8		14		12		11

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
cm		152.5		14.9		14.8		12.7		10.6		9		0.4		---		0.3		7.4		36.4		29		17

Average Rainfall

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		145.9		---		---		---		0.3		8.2		25.1		46.4		39.1		25.7		1.2		---		---

Most Rain Reported in a Day

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		39.8		---		---		---		2		21.8		25		27.8		20		39.8		9.4		---		0.3

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
cm		22.4		46.3		49.4		47.1		40.3		10.1		---		---		---		0.3		9.8		29.2		36.5

Average Snow Cover at Month End

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		21.9		45.9		50.8		45.7		25.3		0.1		---		---		---		1.9		20.5		33.8		39.2

Deepest Snow Cover Reported

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		114		81		114		77		81		74		1		---		1		14		64		63		67

Most Snow Reported in a Day

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		14		12		13		10		12		12		3		---		1.2		10		14		12		11

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		10643.5		1481.1		1286.9		1231.4		833.3		551.1		225		120.6		241.1		450		792.2		1183.3		1248.6

Growing Degree Days

Years on Record: 85

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		180		---		---		---		---		---		25		137.8		17.2		---		---		---		---

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
km/h		56		52		41		56		33		37		46		33		37		37		37		46		37

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.8		0.1		1.7		6.2		12.7		18.5		22.4		19.1		13		7.7		3		0.4		---

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		4.7		0.1		1.2		3.8		6.7		8.9		11.9		9.1		7.8		4.5		2		0.4		---

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.9		1		4.2		10.8		16.9		17.7		18.4		16.8		13.2		10.9		6.7		2.5		---

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.5		---		3.6		9.5		16.4		23.4		28.8		24.5		13.2		10.9		5.9		2		---

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		8.8		0.1		1.7		6.2		12.7		18.5		22.4		19.1		13		7.7		3		0.4		---

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		0.1		1.4		4.1		6.8		8.9		12.2		9.3		7.8		4.7		2.2		0.4		---

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		1.7		5.5		13.2		19.9		21.2		21.7		18.8		16.2		12.7		7.7		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		---		---		4.9		12.2		21		29.4		38.8		29		19		13.4		6.8		2.5		---

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		0.1		1.3		5		11.1		16.4		18.9		16.7		11.5		6.8		2.6		0.4		---

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		0.1		1		3.4		6.7		8.8		11.3		8.7		7.7		4.2		1.8		0.3		---

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		0.5		3		7.8		14.2		15.3		15.5		14.5		11.3		9		5.4		1.9		---

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		---		---		2.4		6.1		12.3		18.3		20.9		19.5		9.9		8.5		4.6		1.6		---