KATANNING, WESTERN AUSTRALIA

Average Temperature

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15		21		21		19		16		13		10		10		10		12		14		17		20

Average High Temperature

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		22.1		30.3		29.5		26.8		22.7		18.3		15.4		14.5		15.4		17.7		20.7		25		28.4

Average Low Temperature

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		9.3		13.6		13.7		12.6		10.3		7.9		6.5		5.5		5.5		6.4		7.6		10		12.2

Highest Recorded Temperature

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		43.7		43.7		43.7		39.9		36.1		32.3		22.6		22.2		25.4		29.7		35.6		40		41.4

Lowest Recorded Temperature

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		-2		5.5		6.1		3.6		1.7		-1.1		-1.7		-2		-1.6		-0.6		-0.6		1.5		2.7

Average Morning Temperature

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.7		20.5		19.8		18.1		15.4		12.1		9.8		8.8		9.6		11.6		14.1		17.4		19.6

Average Afternoon Temperature

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		21		29		28.4		25.8		21.8		17.4		14.5		13.6		14.4		16.6		19.4		23.8		27.2

Average Number of Days Above 104F/40C

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1.9		1		0.7		---		---		---		---		---		---		---		---		---		0.2

Average Number of Days Above 95F/35C

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		17.3		6.1		4.5		1.9		0.1		---		---		---		---		---		0.1		1.1		3.6

Average Number of Days Above 86F/30C

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		57		16.3		12.8		8.6		1.6		---		---		---		---		---		1.2		4.8		11.7

Average Number of Days Below 35F/2C

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		15.8		---		---		---		0.1		1.1		3.1		3.7		4		2.6		1.2		0.1		---

Average Number of Days Below 32F/0C

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2.1		---		---		---		---		0.1		0.6		0.7		0.5		0.2		0.1		---		---

Average Precipitation

Years on Record: 105

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		480		10		10		20		30		60		70		70		60		40		30		20		10

Average Number of Rainy Days

Years on Record: 90

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		116.4		3.1		3.7		4.7		7.3		13		16.6		18.1		16.3		13		10.4		6.4		3.8

Most Rain Reported in a Day

Years on Record: 90

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		120		110		120		70		100		50		70		40		40		30		50		50		50

Most Rain Reported in a Month

Years on Record: 105

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		220		210		220		130		160		140		210		170		170		120		110		90		70

Average Morning Relative Humidity

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		72		56		62		66		74		83		88		88		86		79		67		59		55

Average Evening Relative Humidity

Years on Record: 37

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		47		29		33		36		46		56		66		66		62		56		44		36		30

Average Morning Dew Point

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.9		10.9		11.8		11.1		10.4		8.8		7.6		6.5		6.8		7.5		7.8		8.3		9.6

Average Afternoon Dew Point

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		8.1		8.9		9.9		9.6		9.3		8.5		8.1		7.1		6.9		7.3		7		6.9		7.5

Average Morning Web Bulb

Years on Record: 97

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.8		15.5		15.5		14.5		12.9		10.6		8.8		7.9		8.4		9.8		11.1		13		14.5

Average Afternoon Wet Bulb

Years on Record: 97

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		14.6		18.6		18.6		17.5		15.4		13.1		11.5		10.7		10.9		12.2		13.5		15.6		17.4

Heating Degree Days

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1360.2		---		---		---		66.7		172.2		233.3		266.9		258.3		200		137.8		25		---

Cooling Degree Days

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		317		103.3		86.3		34.4		---		---		---		---		---		---		---		---		51.7

Growing Degree Days

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2215.9		361.7		321.7		292.8		183.3		86.1		16.7		---		---		50		120.6		225		310

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.6		14.6		13.7		12.7		11.7		10.8		10.4		10.6		11.3		12.3		13.4		14.3		14.8

Average Number of Clear Days

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		84.8		13.4		10.6		9.1		6.5		4.9		3.7		4.1		4.5		4.7		5.7		6.8		10.8

Average Number of Cloudy Days

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		114.8		5.1		5.7		8.3		11.2		12.4		12.7		12.7		10.9		10.7		10.4		8.9		5.9

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.5		26.3		23.4		18.4		13.9		10.2		8.9		9.6		12.1		16.1		20.8		23.7		26.5

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		5.7		8		7.1		6		4.6		3.5		2.9		3.1		4.1		5.5		6.8		8.2		8.4

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.8		23.4		22.7		19.9		17.5		14.2		13.9		14.3		15.5		18.3		20.7		21.6		23.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		20.4		27.3		25.1		20.7		17.9		15.2		15.3		15.7		16.5		18.5		21.9		23.3		26.9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17.5		26.3		23.4		18.4		13.9		10.2		8.9		9.6		12.1		16.1		20.8		23.7		26.5

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.3		9.1		8.2		6.6		5		3.8		3.1		3.3		4.4		5.9		7.4		8.9		9.5

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.1		26.3		25.5		23		20.4		16.4		16.2		15.8		17.1		20.6		22.5		24.6		25.3

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		24.9		34.4		31		26.2		22.7		18.6		18.8		18		19.1		22.3		25.4		29.9		32.3

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.1		22.2		19.3		15.8		11.6		8.6		8.1		8.9		10.8		14.2		18.6		20.7		21.6

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		6.7		6		5.2		4		3.2		2.6		2.9		3.8		5		6.3		7.1		7.4

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.9		19.9		18.6		16.7		14		11.4		12.2		12.8		13.5		15.8		18.3		19		19.1

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		15.2		19.4		17.1		15.3		12.7		11.1		12.8		13.4		13.3		14.5		17.5		17.8		17.9