YOHO NATIONAL PARK - WAPTA LAKE, BRITISH COLUMBIA

Average Temperature

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		---		-11.3		-9.2		-4.1		0.4		5.4		9.3		11.4		11.2		6.7		0.5		-7.2		-13

Average High Temperature

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		5.2		-7.7		-4.6		1.7		5.8		11.3		15.3		18.1		18.2		12.7		4.8		-4.1		-9.6

Average Low Temperature

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-5.2		-14.9		-13.7		-9.8		-5		-0.6		3.1		4.6		4.2		0.6		-3.8		-10.3		-16.4

Highest Recorded Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		31		2.8		9		11		18.9		27		26.1		30		31		26		21.5		8.9		4

Lowest Recorded Temperature

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-42.5		-38.9		-38.5		-34.4		-27.8		-10		-5		-2.2		-8.9		-12.5		-28		-41		-42.5

Average Number of Days Above 95F/35C

Years on Record: 12

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Average Number of Days Above 86F/30C

Years on Record: 12

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

Average Number of Days Above 70F/21C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		34		---		---		---		---		1.5		5.1		12.2		11.1		4		---		---		---

Average Number of Days Above 50F/10C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		127.1		---		---		0.2		4.1		16.4		23.9		29.4		28.8		19.3		5		---		---

Average Number of Days Above 32F/0C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		242.2		1		5.9		21.8		28.1		31		30		31		31		30		26.9		5.3		0.2

Average Number of Days Below 35F/2C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		283.4		31		28.2		30.9		30		25.9		11.4		6		6.7		22.1		30.2		29.9		31

Average Number of Days Below 32F/0C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		248.6		31		28.2		30.8		27.7		19.8		4.4		1.8		1.7		15.9		26.9		29.4		31

Average Number of Days Below 28F/-2C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		197.1		30.5		27		29		22		7.7		1.2		---		---		4.5		17		27.4		30.8

Average Number of Days Below 10F/-12C

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		87.6		19.2		15.5		13		3.9		---		---		---		---		---		1.2		12.6		22.3

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

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29.7		7		7.1		2.4		0.1		---		---		---		---		---		---		3.6		9.5

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

Years on Record: 12

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.4		1.4		1.2		0.1		---		---		---		---		---		---		---		0.7		2

Average Precipitation

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		889.2		96.3		61.5		45.4		45.8		68.6		87.3		99.5		86.5		68.4		60.3		88.2		81.5

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		173.5		16		13.2		10.8		8.9		14.9		17.3		16.7		17.2		14.4		11.5		16.2		16.4

Most Precipitation Reported in a Day

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		41		33		32		21.6		24		26		30		38.2		41		29		25		31		36

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		181		16.5		12.9		10.6		10.5		15.5		18.4		17.8		17.7		15.1		12.9		17.6		15.5

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		65.6		7.8		4.2		3.7		2.9		5.1		5.7		6.3		6.3		4.8		4.7		7.3		6.7

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		25.9		2.9		1.7		0.7		1.3		2		2.9		3.2		2.5		2		1.7		2.4		2.6

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.5		0.1		0.2		---		---		0.1		0.1		0.3		0.3		0.3		0.2		0.1		---

Average Rainfall

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		426.5		---		1.2		1.3		9.9		54.5		85.4		99.5		86.3		62.2		23.2		3.2		---

Average Number of Rainy Days

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		91.3		---		0.1		0.1		2.4		13.5		18.4		17.8		17.7		14.3		6.4		0.7		---

Most Rain Reported in a Day

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		38.2		---		15		14.4		24		22.3		30		38.2		38		29		22.9		10		---

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		28.8		---		0.1		0.1		0.5		3.9		5.6		6.3		6.3		4.2		1.6		0.3		---

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13.2		---		0.1		0.1		0.4		1.7		2.8		3.2		2.5		1.8		0.6		0.2		---

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.9		---		---		---		---		---		0.1		0.3		0.3		0.3		---		---		---

Average Snowfall

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		462.7		96.3		60.3		44.1		36		14		1.9		0.1		0.3		6.2		37.2		85		81.5

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		90.2		16		13.2		10.6		7.6		2.3		0.4		0.1		0.1		1.3		6.4		15.8		16.4

Average Snow Cover

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		43.3		87		107.9		114.4		97.2		17		---		---		---		---		1.9		34.7		60

Average Snow Cover at Month End

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		45.4		106.8		115.4		113.2		74.8		---		---		---		---		---		24.5		42		68.2

Deepest Snow Cover Reported

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		163		143		163		159		152		107		---		---		---		---		58		76		122

Most Snow Reported in a Day

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		36		33		32		21.6		19		20		10		1		3		18		25		31		36

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		94		16.5		12.9		10.3		8.6		2.9		0.7		0.1		0.1		1.9		7.5		17.1		15.5

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		36.1		7.8		4.2		3.4		2.4		1.4		0.1		---		---		0.3		2.8		7.1		6.7

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

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12.5		2.9		1.6		0.7		0.8		0.6		0.1		---		---		0.2		0.9		2.3		2.6

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

Years on Record: 13

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

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

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		---		31		28.5		31		30		11.3		---		---		---		---		---		---		---

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

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		---		31		28.5		31		30		11.3		---		---		---		---		---		---		---

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

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		---		31		28.5		31		30		10.3		---		---		---		---		---		---		---

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

Years on Record: 8

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		---		31		28.5		31		30		8.3		---		---		---		---		---		---		---

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7466.5		951.6		773.7		713		538.3		407.3		280		213.6		231.7		345.8		541.7		772.5		942.9

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		71.5		---		---		---		---		---		---		44.8		26.7		---		---		---		---

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.9		9.1		10.6		12.5		14.5		16.4		17.3		16.8		15.1		13.1		11.2		9.5		8.6

Average Wind Speed

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		4.1		5.9		5		3.8		3.8		3.5		3.6		2.8		2.7		3.4		4.4		5.3		5

Highest Reported Hourly Wind Speed

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		27		23		26		24		23		19		19		19		18		18		26		24		27

Average Primary Wind Direction

Years on Record: 11

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		225		225		225		225		225		225		225		225		225		225		225		225		225

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.3		4.1		7.4		12.2		16.6		19.3		20.3		20.7		17.9		13.1		8.3		4.8		3.4

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		2.5		4		6		7.5		9.1		9.8		9.4		8		6.3		4.4		2.9		2.1

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		7.9		12.2		16.7		17.9		17.7		17.5		18.4		17.9		15.6		12		9		7.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.6		7.1		10.7		14.6		17.6		17.8		17.9		19.6		18.1		14.9		11.2		7.8		6.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.3		4.1		7.4		12.2		16.6		19.3		20.3		20.7		17.9		13.1		8.3		4.8		3.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.2		2.7		4.2		6.5		7.6		9.2		9.9		9.5		8.1		7		4.8		3.1		2.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.3		8.8		13.4		18.6		20.1		20.3		19.7		21.9		20.3		19.7		14		10.3		8.2

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		8		11.8		17.5		20.1		22.7		22.4		25.9		22.1		19.9		13.5		9		7.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.7		3.6		6.7		11.2		15.1		16.6		16.9		17.6		15.1		10.2		7.5		4.2		3.1

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		2.2		3.7		5.8		7.4		9		9.7		9.3		8		5.7		4.1		2.6		1.9

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		12.1		6.7		10.9		15.2		15.8		15.2		14.7		15.6		14.8		11.6		10.6		7.8		6.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		10.5		5.8		9.3		12.7		14.5		13.1		12.1		13.9		12.8		9.7		9.8		6.5		5.5