KATANNING, WESTERN AUSTRALIA

Average Temperature

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		59		71		70		67		61		55		51		49		50		53		57		63		68

Average High Temperature

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		71		86		85		80		72		64		59		58		59		63		69		77		83

Average Low Temperature

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		48		56		56		54		50		46		43		41		41		43		45		50		53

Highest Recorded Temperature

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		110		110		110		103		96		90		72		71		77		85		96		104		106

Lowest Recorded Temperature

Years on Record: 40

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		28		41		42		38		35		30		28		28		29		30		30		34		36

Average Morning Temperature

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		58		68		67		64		59		53		49		47		49		52		57		63		67

Average Afternoon Temperature

Years on Record: 99

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		69		84		83		78		71		63		58		56		57		61		66		74		80

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
in		18		---		---		---		1		2		3		3		2		1		1		---		---

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
in		4		4		4		2		4		2		2		1		1		1		1		2		2

Most Rain Reported in a Month

Years on Record: 105

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		8		8		8		5		6		5		8		6		6		4		4		3		2

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
F		48		51		53		51		50		47		45		43		44		45		46		46		49

Average Afternoon Dew Point

Years on Record: 38

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		46		48		49		49		48		47		46		44		44		45		44		44		45

Average Morning Web Bulb

Years on Record: 97

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		53		59		59		58		55		51		47		46		47		49		51		55		58

Average Afternoon Wet Bulb

Years on Record: 97

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		58		65		65		63		59		55		52		51		51		53		56		60		63

Heating Degree Days

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2448.5		---		---		---		120		310		420		480.5		465		360		248		45		---

Cooling Degree Days

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		496.4		186		155.4		62		---		---		---		---		---		---		---		---		93

Growing Degree Days

Years on Record: 102

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3542.1		651		579.1		527		330		155		30		---		---		90		217		405		558

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
kWh/m2		4.9		7.3		6.5		5.1		3.9		2.8		2.5		2.7		3.4		4.5		5.8		6.6		7.4

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		2.2		2		1.7		1.3		1		0.8		0.9		1.1		1.5		1.9		2.3		2.3

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.2		6.5		6.3		5.5		4.9		4		3.9		4		4.3		5.1		5.8		6		6.4

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.7		7.6		7		5.7		5		4.2		4.3		4.4		4.6		5.1		6.1		6.5		7.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.9		7.3		6.5		5.1		3.9		2.8		2.5		2.7		3.4		4.5		5.8		6.6		7.4

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		2.5		2.3		1.8		1.4		1.1		0.9		0.9		1.2		1.7		2.1		2.5		2.7

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.9		7.3		7.1		6.4		5.7		4.6		4.5		4.4		4.8		5.7		6.3		6.8		7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.9		9.6		8.6		7.3		6.3		5.2		5.2		5		5.3		6.2		7.1		8.3		9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.2		6.2		5.4		4.4		3.2		2.4		2.3		2.5		3		4		5.2		5.8		6

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		1.9		1.7		1.4		1.1		0.9		0.7		0.8		1.1		1.4		1.8		2		2.1

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.4		5.5		5.2		4.7		3.9		3.2		3.4		3.6		3.7		4.4		5.1		5.3		5.3

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.2		5.4		4.8		4.3		3.5		3.1		3.6		3.7		3.7		4		4.9		4.9		5