BITTERN LAKE, ALBERTA

Average Temperature

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		3		-11.5		-9.6		-4.1		4.5		10.5		14.5		16.8		15.8		10.4		4.1		-5.2		-9.9

Average High Temperature

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9		-5.8		-3.5		1.5		10.7		17		20.4		22.9		22.3		16.7		10.2		-0.3		-4.5

Average Low Temperature

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-2.9		-17.2		-15.7		-9.7		-1.7		4		8.5		10.7		9.3		4		-2		-10		-15.3

Highest Recorded Temperature

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		36.7		11.1		13.5		25.1		31.1		32.5		34.2		36.7		34.4		33		28		21.1		13.9

Lowest Recorded Temperature

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-47.8		-47.2		-47.8		-42.8		-32.2		-11.7		-1.1		1		-1.1		-16.1		-23		-35.7		-44

Average Number of Days Above 95F/35C

Years on Record: 27

ANNUAL

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

Days

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Average Number of Days Above 86F/30C

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3.7		---		---		---		---		0.2		0.2		1.4		1.6		0.3		---		---		---

Average Number of Days Above 70F/21C

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		82.6		---		---		---		2		9.3		15.7		23.4		21.1		8.8		2.2		---		---

Average Number of Days Above 50F/10C

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		181.6		---		0.4		2.6		16.8		27.2		29.7		30.9		30.4		25.2		16.5		1.6		0.1

Average Number of Days Above 32F/0C

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		277.4		9.8		11.5		19.4		28		31		30		31		31		30		28.5		16.3		10.8

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		222.4		31		28.1		30.9		24.9		10.2		0.7		---		0.5		9.2		26.4		29.7		30.9

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		200.5		30.8		28		30.2		19.7		5.8		0.1		---		0.1		4.8		21.6		28.9		30.5

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		169.4		30.5		27		26.3		11.5		2.2		---		---		---		1.9		13.9		26.1		30.1

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		93.7		24.1		20.2		11.5		1.8		---		---		---		---		---		1.7		13		21.5

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		33.8		10.3		7.7		3.9		0.2		---		---		---		---		---		0.2		2.9		8.5

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		8.8		3.5		2		0.7		---		---		---		---		---		---		---		0.4		2.1

Avg. # of Days w/Wind Chill Below -4F/-20C

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		67.6		18.6		14.4		8.9		0.8		---		---		---		---		---		0.4		6.3		18.2

Av. # of Days w/Wind Chill Below -22F/-30C

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26.6		9.8		4.7		3.5		---		---		---		---		---		---		---		1.6		7

Av. # of Days w/Wind Chill Below -40F/-40C

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5.9		3.3		0.8		0.3		---		---		---		---		---		---		---		0.4		1.1

Lowest Reported Wind Chill

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-53.8		-53.8		-52.2		-46.6		-29		-15.5		-2.8		---		---		-11.9		-25.7		-43.8		-49.7

Average No. Days w/Humidex Above 104F/40C

Years on Record: 16

ANNUAL

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

Days

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Average No. Days w/Humidex Above 95F/35C

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2		---		---		---		---		---		0.1		1.5		0.4		---		---		---		---

Average No. Days w/Humidex Above 86F/30C

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		12.4		---		---		---		---		0.1		0.9		6.1		4.5		0.7		---		---		---

Highest Reported Humidex

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		39.7		11		11.6		24.5		25.4		31.6		37.2		39.7		38.5		33.3		26.6		17.3		13.4

Average Precipitation

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		438.1		22.8		13.5		22.5		28.9		41.2		74.4		85.8		51.5		39.9		23.5		18.5		15.4

Most Precipitation Reported in a Day

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		91.2		26.2		20.2		40.8		34.6		45.2		91.2		49.3		50.3		41.6		30		22.9		21.6

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		114.4		8.9		7		7.4		7		10.4		14.2		14.2		11.8		9.5		7.4		8.5		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		25.4		1.2		0.4		1.4		2		2.6		4.1		5.1		3.3		2.7		1.3		0.7		0.7

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		12		0.4		0.1		0.4		0.9		1.2		2.3		3.1		1.4		1.3		0.7		0.2		0.1

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		1.7		---		---		---		0.1		0.1		0.5		0.5		0.2		0.1		0.1		---		---

Avg. No. of Days w/Rain Above 0.1in/2mm

Years on Record: 27

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		75.5		0.8		0.3		1.2		5.2		10.1		14.2		14.2		11.8		9.5		5.7		1.8		0.7

Average Rainfall

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		326.3		0.8		0.3		1.4		18.4		38		74.4		85.8		51.5		39.6		13.2		2		0.9

Most Rain Reported in a Day

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		91.2		6.4		2		7.9		22.1		45.2		91.2		49.3		50.3		41.6		30		6.4		11.4

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		19.8		---		---		0.1		1.3		2.5		4.1		5.1		3.3		2.7		0.8		---		---

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		9.9		---		---		---		0.5		1		2.4		3.1		1.4		1.3		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		1.4		---		---		---		---		0.1		0.5		0.5		0.2		0.1		---		---		---

Average Snowfall

Years on Record: 26

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		113.5		21.6		13.4		21.7		10.5		3.2		---		---		---		0.2		10.5		16.8		15.6

Average Snow Cover

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		4.3		11.8		17.5		10.8		0.1		---		---		---		---		---		0.7		3.9		6.7

Average Snow Cover at Month End

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		4.3		15.8		18.6		1.3		---		---		---		---		---		---		1.3		5.7		8.4

Deepest Snow Cover Reported

Years on Record: 21

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		87		70		87		30		8		---		---		---		---		---		13		23		30

Most Snow Reported in a Day

Years on Record: 61

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
cm		40.8		26.2		20.2		40.8		26.6		25.8		---		---		---		7.6		25.3		22.9		21.6

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		41.8		8.3		6.7		6.6		2.7		0.5		---		---		---		0.1		2.4		7		7.4

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		5.9		1.2		0.4		1.4		0.8		0.2		---		---		---		---		0.5		0.7		0.7

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		1.9		0.4		0.1		0.4		0.2		0.2		---		---		---		---		0.4		0.2		0.1

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		0.2		---		---		---		---		---		---		---		---		---		---		---		---

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

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		133.7		30.5		26.6		28.3		0.5		---		---		---		---		---		3.5		19.8		24.4

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

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		97.1		23		23.8		22.9		0.1		---		---		---		---		---		2.5		10.4		14.4

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

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		66.6		17		19.2		15.7		---		---		---		---		---		---		0.3		4		10.4

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

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		26.7		5.7		9.3		7.6		---		---		---		---		---		---		---		1.2		2.9

Average Morning Relative Humidity

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		88.4		84.5		86.5		88.3		87.2		82.8		88		92.6		95.4		93.2		89.3		87.8		85.4

Average Evening Relative Humidity

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		60.3		75.3		70.9		66.4		48.6		44.7		53		55.9		54		51.4		56		71.8		75.2

Heating Degree Days

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6711.7		1033.3		894.6		757.8		466.7		258.3		166.7		86.1		86.1		250		447.8		683.3		878.3

Growing Degree Days

Years on Record: 13

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		427.7		---		---		---		---		---		83.3		172.2		172.2		---		---		---		---

Average Sea Level Pressure

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		1015.6		1017.9		1018.3		1016.7		1014.9		1013.7		1012.9		1014.2		1015		1015.5		1015.1		1015.3		1017.3

Average Station Pressure

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		929		928.6		929.4		928.8		928.6		928.6		928.5		930		930.5		930.1		928.7		927.4		928.3

Average Vapor Pressure

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		6.4		2.3		2.6		3.6		5		7		10.4		13.2		12.3		8.5		5.5		3.5		2.4

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.9		8.9		10.5		12.5		14.7		16.6		17.7		17.1		15.3		13.2		11.1		9.3		8.4

Average Wind Speed

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		12.5		10.8		10.8		12.9		14.9		15.3		13.6		12.2		11.5		12.5		12.8		11.7		11.2

Highest Reported Hourly Wind Speed

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
km/h		67		63		54		57		63		59		61		48		50		57		67		63		57

Average Primary Wind Direction

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
°		270		270		270		135		135		315		270		270		270		270		270		270		270

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.8		3.2		6.5		11.5		16.4		19.5		20.8		20.8		17.6		12		7.3		4		2.1

Average 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		3.6		5.8		7.5		9.2		10		9.5		8		6		4		2.5		1.4

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.4		6.7		11.2		16		17.8		18		17.9		18.5		17.8		14.4		10.7		7.4		4.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		13.1		5.8		9.6		14		17.9		18.6		18.9		20		18.2		13.6		9.9		6.6		3.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11.8		3.2		6.5		11.5		16.4		19.5		20.8		20.8		17.6		12		7.3		4		2.1

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		3.8		6.2		7.7		9.2		10		9.7		8.1		6.4		4.3		2.7		1.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.5		7.6		12		18		21		21		20.4		21.5		20.7		17.4		12.2		8.6		5.6

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.2		6.8		10.5		16.7		22.8		24.2		24.1		25.5		22.9		17.4		11.4		7.8		4.8

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.9		2.9		5.9		10		13.3		15.9		17.6		17.4		14.7		9.9		6.6		3.5		1.5

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.6		1.9		3.4		5.5		7.4		9.1		9.9		9.4		8		5.6		3.7		2.2		1.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		11		5.8		10		13		13.8		14.5		15.2		15.3		14.4		11.4		9.6		6.3		2.6

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		9.4		5		8.5		11.2		11.5		12		13.2		13.7		12.4		9.8		8.6		5.5		1.8