CASTLEGAR DAM, BRITISH COLUMBIA

Average Temperature

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.9		-1.2		0.2		4.5		8.8		13.2		16.8		20.1		19.9		14.7		8.5		2.4		-1.4

Average High Temperature

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.7		0.9		3.4		9.2		14.8		19.7		23.3		27.5		27.2		21		12.7		4.8		0.5

Average Low Temperature

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		4		-3.2		-2.9		-0.2		2.8		6.7		10.2		12.6		12.4		8.4		4.1		-0.1		-3.4

Highest Recorded Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		39		10		12.5		23		27.5		34		36		39		39		35.5		26		19.4		10.5

Lowest Recorded Temperature

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-22.5		-22.5		-20		-13.5		-6.7		-1.1		0.6		5		4.4		-1		-9		-19		-22

Average Number of Days Above 95F/35C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.7		---		---		---		---		---		0.1		1.8		0.8		---		---		---		---

Average Number of Days Above 86F/30C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		22.6		---		---		---		---		0.8		2.9		9.7		8.5		0.8		---		---		---

Average Number of Days Above 70F/21C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		111.6		---		---		---		2.9		13.5		20.9		28.1		28.5		16.4		1.3		---		---

Average Number of Days Above 50F/10C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		214.2		---		0.4		11.3		26.2		30.6		30		31		31		29.9		22.1		1.8		---

Average Number of Days Above 32F/0C

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		332.2		19.6		22.2		30.7		30		31		30		31		31		30		31		27.4		18.4

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		161.8		30.3		26.4		26.7		13.3		2.4		---		---		---		1.2		9.3		22.4		29.9

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		113.1		23.4		20.8		18.1		6.2		0.5		---		---		---		0.4		4.7		14.5		24.4

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		54.4		14.6		12.9		5.5		0.5		---		---		---		---		---		0.6		5.5		14.9

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		7.4		2.6		2.2		0.1		---		---		---		---		---		---		---		0.9		1.6

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		0.1		---		---		---		---		---		---		---		---		---		---		---		0.1

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

Years on Record: 27

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Average Precipitation

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		666.4		65.9		44.6		45.2		50.2		72.2		75.8		45.2		33.7		44.1		47.7		72.8		69

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		156.5		15.2		12.8		14		13.2		15.3		14.5		10.3		9.1		9.1		11.8		15.8		15.3

Most Precipitation Reported in a Day

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		44.2		44.2		30.5		20		22.2		30.4		34.4		32		25.2		31		22		38		30

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		166.4		16.6		13.7		14.5		14.4		16.6		16.1		10.5		8.8		9		13		17.4		15.9

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		46.2		4.6		2.3		3		3.4		5.1		5.6		3.1		2.2		3.2		3.4		5		5.5

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		16.1		1.4		0.9		0.6		0.9		2		2.3		1.4		0.9		1.4		1.1		1.6		1.6

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		---		---		---		---		0.1		0.1

Average Rainfall

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		554.2		32.4		30.2		40.8		49.3		72.2		75.8		45.2		33.7		44.1		47.4		53.5		29.5

Average Number of Rainy Days

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		142		9.3		9.8		13.5		14.4		16.6		16.1		10.5		8.8		9		13		14		7.1

Most Rain Reported in a Day

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		44.2		44.2		15.7		20		22.2		30.4		34.4		32		25.2		31		22		29.7		23

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		37.7		2.3		1.5		2.5		3.3		5.1		5.6		3.1		2.2		3.2		3.3		3.6		2

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		13.6		0.6		0.6		0.6		0.8		2		2.3		1.4		0.9		1.4		1		1.2		0.8

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		---		---		---		---		0.1		---

Average Snowfall

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		112.2		33.4		14.4		4.4		0.9		0.1		---		---		---		---		0.3		19.2		39.6

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		31.8		9.5		5.2		1.9		0.3		0.1		---		---		---		---		0.3		4.9		9.7

Average Snow Cover

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		1.8		8.4		4.3		0.5		---		---		---		---		---		---		---		1.2		6.6

Average Snow Cover at Month End

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		1.8		6.4		0.9		---		---		---		---		---		---		---		---		3.4		11.2

Deepest Snow Cover Reported

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		40		40		32		21		---		---		---		---		---		---		---		38		38

Most Snow Reported in a Day

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		38		31		30.5		15.2		9		0.6		---		---		---		---		15.2		38		25.9

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		33.6		9.1		5.3		1.9		0.4		0.1		---		---		---		---		0.3		6		10.6

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		7.7		2.3		0.7		0.3		0.1		---		---		---		---		---		---		1.2		3.1

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		1.7		0.6		0.1		0.1		---		---		---		---		---		---		---		0.2		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		0.1		0.1		---		---		---		---		---		---		---		---		---		0.1		---

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		64.4		20.5		15.8		1.9		---		---		---		---		---		---		---		4.8		21.4

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		45.3		16.9		9.4		1.6		---		---		---		---		---		---		---		2.4		15

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		24.1		11.2		5.3		1		---		---		---		---		---		---		---		1		5.6

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7.5		4.3		1.1		0.1		---		---		---		---		---		---		---		---		2

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4120.3		632.9		514.8		444.3		295		168.8		50.8		---		---		115		314.3		480.8		613.1

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		81		---		---		---		---		---		---		43.1		37.9		---		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1021.4		---		---		---		---		89.6		199.2		301.4		296.2		135		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.9		9.4		10.8		12.5		14.4		16		16.9		16.4		14.9		13.1		11.3		9.7		8.9

Average Wind Speed

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		12.3		13.4		12.6		11.9		12.3		12.2		11.7		12		12.2		11.7		12.2		12.1		13.4

Highest Reported Hourly Wind Speed

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		69		63		63		61		68		64		69		64		64		64		63		60		60

Average Primary Wind Direction

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		90		90		90		90		270		90		90		90		270		270		90		90		90

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.1		4.8		8.1		12.5		16.8		19.4		20.7		22.4		19.6		14.7		8.8		5		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		6.1		2.8		4.2		6.2		7.6		9		9.7		9.4		8.1		6.6		4.5		3		2.4

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.8		8.6		13		16.3		17.8		17.9		17.9		20		19.6		17.3		12.2		8.8		7.7

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14.4		7.8		11.4		14.3		17.3		17.8		18.4		22		20.6		16.8		11.4		7.5		6.9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.1		4.8		8.1		12.5		16.8		19.4		20.7		22.4		19.6		14.7		8.8		5		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		6.5		3.1		4.5		6.5		7.6		9.1		9.8		10.5		8.6		7.5		5.2		3.2		2.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.3		10.1		14.3		18.8		20.1		20.5		20.5		24.2		22.6		21.6		15.8		10.3		8.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.8		9.4		12.8		16.8		20.9		22.7		23.6		28		24.7		21.9		15.5		8.8		7.9

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		4.3		6.9		11		15		16.6		17.8		16.4		16		11.1		6.5		4.3		3.6

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		2.6		3.8		5.9		7.5		8.9		9.5		9.1		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		12		7.6		10.8		13.9		15.6		15.1		15.4		14.5		15.7		12.5		8.6		7.1		6.8

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.3		6.8		9.2		11.7		13.8		12.7		13.4		11.8		14.1		10.6		7.5		6		5.9