DEASE LAKE, BRITISH COLUMBIA

Average Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		31.1		3.1		10.6		21.8		34.3		44		52.1		55.4		53		44.9		33.4		15.2		6

Average High Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		41.4		11		21.1		33.8		45.8		56.5		64.7		67.1		64.6		55.1		41		22.6		13.5

Average Low Temperature

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		20.9		-4.8		0.1		9.9		22.7		31.5		39.2		43.6		41.2		34.6		25.8		8.1		-1.2

Highest Recorded Temperature

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		95.5		48		53.1		57.6		72		95.5		93		89.1		90		84		69.1		57.9		46

Lowest Recorded Temperature

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-60.2		-60.2		-54.9		-45		-25.1		6.4		21.9		28		21		5		-17.1		-44.5		-51

Average Number of Days Above 95F/35C

Years on Record: 22

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

Average Number of Days Above 86F/30C

Years on Record: 22

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

Average Number of Days Above 70F/21C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		35.8		---		---		---		---		2.6		9.1		13.4		9.1		1.6		---		---		---

Average Number of Days Above 50F/10C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		151.1		---		0.1		0.3		7.8		24.6		29.3		30.7		30.4		23.4		4.5		0.1		---

Average Number of Days Above 32F/0C

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		247.7		3		6.6		20.7		28.8		30.9		30		31		31		30		26.8		5.9		3.2

Average Number of Days Below 35F/2C

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		256.5		30.2		27.4		30.2		29.3		23.3		8.5		1.5		4.8		15.3		27.5		28.9		29.6

Average Number of Days Below 32F/0C

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		230		30.2		27.4		29.9		28.1		16.9		3.3		0.2		1.9		10.3		23.8		28.6		29.5

Average Number of Days Below 28F/-2C

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		195		30		26.8		28.6		22.1		9.3		0.7		---		0.2		4.8		15.9		27.4		29.1

Average Number of Days Below 10F/-12C

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		112.1		25.5		21.9		15.7		3.8		0.2		---		---		---		---		3		18.3		23.8

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

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		46.8		13.9		10.3		5.7		0.4		---		---		---		---		---		0.3		5.2		11.1

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

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12.9		5.4		2.2		1.1		---		---		---		---		---		---		---		1		3.2

Lowest Reported Wind Chill

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		-74.1		-72.7		-69.4		-64.7		-32.1		8.9		21.3		26.9		24.6		4.2		-27.4		-60.8		-74.1

Highest Reported Humidex

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		94.2		46		50.4		56.7		70.1		92.5		88.6		94.2		91.9		85.6		68		53.1		44.2

Average Precipitation

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		17.5		1.4		0.8		0.8		0.5		1.3		2		2.6		2.3		2.1		1.3		1.3		1.1

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		158.4		12.4		9.6		10.9		7.7		11.1		15.2		16.8		16.8		15.4		14.6		13.8		14.1

Most Precipitation Reported in a Day

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		2.3		0.8		0.9		1		0.5		1		1.4		2.3		1.8		1		1.1		1		1.1

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

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		156.4		12.4		9		9.9		7.2		11.4		15		17.6		17.2		16.2		14.8		13.8		11.9

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

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26.6		1.8		1.1		0.9		0.5		2.3		3.2		4.5		3.9		3.2		1.9		1.8		1.6

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

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.8		0.8		0.3		0.2		0.1		0.9		1.1		1.8		1.2		1		0.6		0.4		0.3

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

Years on Record: 27

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

Average Rainfall

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		11		---		---		---		0.1		1.1		2		2.6		2.3		2		0.7		0.1		---

Average Number of Rainy Days

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		88.8		0.2		0.2		0.8		2.3		9.8		15		17.6		17.2		15.8		8.4		1.1		0.4

Most Rain Reported in a Day

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		1.8		0.5		0.1		0.4		0.4		1		1.4		1.6		1.8		1		0.9		0.3		0.2

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

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17.6		---		---		---		0.2		1.9		3.2		4.5		3.9		3		0.9		0.1		---

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

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6.2		---		---		---		---		0.8		1.1		1.8		1.2		1		0.3		---		---

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

Years on Record: 27

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

Average Snowfall

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		83.8		17.7		10.1		10.2		4.9		2		---		---		---		0.8		7.6		15.6		14.6

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		83.1		13.1		10.3		11.3		6.7		3.2		0.2		0.1		0.1		1.3		8.3		13.9		14.6

Average Snow Cover

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		8.6		21.2		23.9		22.4		13.5		0.4		---		---		---		---		0.7		6.4		14.9

Average Snow Cover at Month End

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		8.1		23		23.1		19.9		3		---		---		---		---		---		2.5		9.7		15.7

Deepest Snow Cover Reported

Years on Record: 52

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		44.9		44.1		41.7		44.9		39		15.7		---		3.1		0.4		2		16.1		25.2		35.8

Most Snow Reported in a Day

Years on Record: 63

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		17		10.4		10.1		10.8		6.1		6		2.5		11.3		0.7		2.9		11.1		17		14.8

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

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		78.7		13		9.8		10.2		6.2		3.2		0.2		0.1		0.1		1.2		8.5		13.8		12.4

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

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12.4		2.7		1.5		1.4		0.5		0.3		---		---		---		0.2		1.1		2.6		2.3

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

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3.8		1.1		0.6		0.4		0.1		0.1		---		---		---		---		0.2		0.6		0.7

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

Years on Record: 27

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

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

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		186		31		28.2		31		26.4		2.3		---		---		---		---		8.9		27.1		31

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

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		178.4		31		28.2		31		25.9		1.7		---		---		---		---		5.2		24.4		31

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

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		169		31		28.2		31		25.1		1.3		---		---		---		---		1.8		19.5		31

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

Years on Record: 14

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		147.3		30.4		28.2		31		21.7		0.6		---		---		---		---		0.1		9.9		25.3

Average Evening Relative Humidity

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		60.6		78.7		67.2		53.5		42.8		43.6		46.1		52.3		53.4		58.3		68.5		79.5		83.3

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6844.7		1099.3		862.4		742.3		509.6		357.3		220.6		162.2		199.2		324.2		525.7		814.3		1027.6

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.9		---		---		---		---		0.2		0.3		0.7		0.7		---		---		---		---

Growing Degree Days

Years on Record: 46

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		124		---		---		---		---		---		---		93		31		---		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		13.2		8.1		10.1		12.6		15.3		17.9		19.5		18.5		16		13.4		10.8		8.6		7.3

Average Monthly Sunshine

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		1600.3		58.2		97.3		142.8		189.5		211.1		220.4		212.5		188.2		117.5		74.1		50.7		38

Average Number of Days with Sun

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		305.1		20.8		23.6		28.6		28.6		29.8		28.7		29.1		29.1		25.6		24.4		20.1		16.7

Average Possibility of Sunshine

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		33.9		27.2		38.1		38.5		44.5		40.9		40.6		39		40.4		31.4		24		23		19.5

Most Sunshine Reported in a Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		19.1		6.9		9.3		11.4		14.2		19.1		16.6		15.9		14.9		11.9		9.4		7.8		5.7

Average Wind Speed

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		4.1		4		4.7		4.7		4.9		4.6		4.4		4.2		3.9		3.4		3.6		3.6		3.3

Highest Reported Hourly Wind Speed

Years on Record: 58

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		37.9		28		24.9		28		27.3		34.8		23		24.2		24.9		26.7		34.2		34.8		37.9

Highest Reported Wind Gust

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		59.7		43.5		47.2		44.7		50.3		59.7		42.9		44.7		44.7		52.8		57.8		58.4		51.6

Avg. # of Days w/Wind Above 32 mph/52 km/h

Years on Record: 13

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

Avg. # of Days w/Wind Above 39 mph/63 km/h

Years on Record: 13

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Average Primary Wind Direction

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		180		45		45		360		180		180		180		180		180		180		180		360		45

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.9		0.5		1.3		2.7		4.3		5.5		5.8		5.2		4.3		2.8		1.6		0.7		0.3

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		0.3		0.8		1.4		2		2.6		2.8		2.6		2.2		1.5		0.9		0.5		0.2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.4		1.3		2.5		4		5.2		5.1		4.9		4.6		4.3		3.5		2.7		1.7		0.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.4		1.1		2.1		3.5		5.1		5.7		5.7		4.9		4.2		3.2		2.4		1.5		0.9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.9		0.5		1.3		2.7		4.3		5.5		5.8		5.2		4.3		2.8		1.6		0.7		0.3

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.5		0.4		0.9		1.5		2		2.6		2.8		2.6		2.2		1.7		1		0.5		0.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		3.9		1.6		3.1		4.4		5.6		5.6		5.6		5.1		4.9		4.5		3.1		2		1.1

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.1		1.4		2.7		3.9		5.6		6.6		7.2		6		5.2		4.6		2.9		1.8		1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.5		0.5		1		2.3		4		5		4.9		4.3		3.9		2.3		1.4		0.6		0.3

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		0.3		0.7		1.4		2		2.6		2.7		2.6		2.2		1.4		0.8		0.4		0.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.9		1.1		1.8		3.4		4.7		4.6		4.2		3.8		3.8		2.6		2.2		1.3		0.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.6		0.9		1.5		2.8		4.4		4.6		4.1		3.4		3.4		2.2		1.9		1.1		0.7