CRESTON - WATER TREATMENT, BRITISH COLUMBIA

Average Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.2		-2		-0.6		4		8.7		12.8		16.2		19.3		18.9		13.7		7.5		2		-2.6

Average High Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		13.8		1		3.4		9.1		15		19.5		22.9		27.2		27.2		21.3		13.3		5.3		0.3

Average Low Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		2.5		-5		-4.6		-1		2.3		6		9.4		11.2		10.4		6.1		1.7		-1.3		-5.4

Highest Recorded Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		39.5		11.5		14		24		26.5		33		34.5		37		39.5		35.5		27		16.5		11

Lowest Recorded Temperature

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-29		-25.5		-22.5		-15.5		-5		-3.5		1		5		1.5		-4.5		-11.5		-20.5		-29

Average Number of Days Above 95F/35C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.1		---		---		---		---		---		---		0.5		0.5		---		---		---		---

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		18.9		---		---		---		---		0.4		1.8		7.9		8		0.8		---		---		---

Average Number of Days Above 86F/30C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		21.3		---		---		---		---		0.5		2		9.3		8.7		0.8		---		---		---

Average Number of Days Above 70F/21C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		112.7		---		---		---		3.5		12.5		20.5		28.3		28.5		17.4		1.9		---		---

Average Number of Days Above 50F/10C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		218.4		0.2		0.6		12		26.3		30.6		29.9		31		31		29.8		24		2.8		0.2

Average Number of Days Above 32F/0C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		330.7		19.7		22.9		30.3		30		31		30		31		31		30		30.9		26.7		17.2

Average Number of Days Below 35F/2C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		181		30.4		27.9		26.3		15.4		5		0.3		---		0.1		3.8		17.6		23.8		30.5

Average Number of Days Below 32F/0C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		139.3		26.3		23.4		19.8		9		1.7		---		---		---		1.5		11.3		18.7		27.7

Average Number of Days Below 28F/-2C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		83.5		19		16.8		9.5		1.9		0.1		---		---		---		0.4		4.6		10.7		20.4

Average Number of Days Below 10F/-12C

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16.7		5.5		3.8		0.2		---		---		---		---		---		---		0.1		1.3		5.8

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

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.3		0.4		0.3		---		---		---		---		---		---		---		---		---		0.5

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

Years on Record: 24

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Average Precipitation

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		562.6		59.3		37.6		43.4		38.7		53.8		58.6		34.2		26.5		36		37.8		68.6		68.3

Average Number of Days With Precipitation

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		146.9		14.8		12		12.8		12.3		14.3		14.1		9.3		7.6		9.2		10.2		15.9		14.6

Most Precipitation Reported in a Day

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		47.8		20.3		28.5		32		30.4		44.6		29.6		24.6		47.8		30.8		20.6		36		34.2

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		145.3		15.5		11.2		12.8		12.4		13.9		14.4		8.5		7.1		8.9		10.6		15.2		14.8

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		39.3		4.6		2.5		2.7		2.6		3.4		4		2.6		1.8		2.4		2.9		5		4.8

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		13.9		1.1		0.8		1		0.7		1.4		1.8		1		0.5		0.9		0.8		1.8		2.2

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		0.8		---		---		0.1		0.1		0.2		---		---		---		---		---		0.2		0.1

Average Rainfall

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		446		26.4		23.5		36.8		37.5		53.8		58.6		34.2		26.5		36		36.5		47.8		28.5

Average Number of Rainy Days

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		118.5		7.9		7.1		11.1		12.3		13.9		14.4		8.5		7.1		8.9		10.5		11.5		5.4

Most Rain Reported in a Day

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		47.8		20.3		24		32		30.4		44.6		29.6		24.6		47.8		30.8		20.6		30.4		34.2

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		30.8		2		1.5		2.2		2.6		3.4		4		2.6		1.8		2.4		2.8		3.5		1.9

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		11.1		0.5		0.5		0.9		0.7		1.4		1.8		1		0.5		0.9		0.7		1.1		1.1

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		0.7		---		---		0.1		0.1		0.2		---		---		---		---		---		0.1		0.1

Average Snowfall

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		116.7		32.9		14.1		6.6		1.3		---		---		---		---		---		1.3		20.8		39.7

Average Number of Days With Snow

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		34.7		9.4		5.5		2.3		0.5		---		---		---		---		---		0.6		5.7		10.8

Average Snow Cover

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2.1		10.2		4.6		0.3		---		---		---		---		---		---		---		1.1		8.7

Average Snow Cover at Month End

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		2.2		7.2		1.1		---		---		---		---		---		---		---		0.1		3.4		14.4

Deepest Snow Cover Reported

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		48		45		30		9		6		---		---		---		---		---		4		33		48

Most Snow Reported in a Day

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		36		16		17.2		12		10		0.8		---		---		---		---		5.2		36		24

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		34.4		9.7		5.2		2.5		0.5		---		---		---		---		---		0.5		5		10.9

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		8.1		2.5		0.9		0.5		0.1		---		---		---		---		---		0.1		1.4		2.7

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

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.2		0.5		0.2		0.1		---		---		---		---		---		---		---		0.5		0.9

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

Years on Record: 26

		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: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		67.7		24.4		12.5		1.9		0.2		---		---		---		---		---		0.4		4.8		23.6

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

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		52.3		20.7		10.1		0.9		---		---		---		---		---		---		---		1.8		18.7

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

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		30.2		14		5.3		---		---		---		---		---		---		---		---		0.8		10.1

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

Years on Record: 25

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7		3.4		0.7		---		---		---		---		---		---		---		---		0.1		2.8

Heating Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2082.9		348.3		292.2		239.9		155.3		91.3		39.8		12.7		16.2		76.7		181.9		268.9		359.7

Cooling Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		69.6		---		---		---		---		1.5		8.5		30.1		27.2		2.3		---		---		---

Growing Degree Days

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		916.9		---		---		---		---		86.1		183.3		275.6		266.9		105		---		---		---

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 Monthly Sunshine

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		1997.5		51.1		89.6		140.2		189.1		236.3		242.5		300.7		290		212.9		145.5		58.7		41

Average Number of Days with Sun

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		302.2		17.3		20.8		26.7		29		29.3		29.1		30.6		30.6		28.9		27.2		17.6		15.1

Most Sunshine Reported in a Day

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		14.4		8.6		9.4		11		13.1		14.1		14.4		14.2		13.6		12.8		9.9		9.5		6.7

Average Wind Speed

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		4.9		3.9		4.7		5.6		6.9		5.8		5.8		5		4.9		4.3		4.1		4.5		3.5

Highest Reported Hourly Wind Speed

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		58		47		51		48		39		42		37		42		35		42		35		58		45

Average Primary Wind Direction

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		180		180		180		180		135		315		180		315		180		180		180		135		180

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		16.5		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		18.9		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		14		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