SOBRAL, CEARA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		26.9		27.5		26.7		26.1		26		26		26		25.9		26.8		27.5		27.8		28.1		28.1

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		33.5		33.8		32.3		31.4		31.1		31.2		31.6		33		34.8		35.8		35.9		35.6		35.5

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		22.4		23.6		22.6		22.5		22.6		21.9		21.5		21.2		21.4		22.4		22.8		22.9		23.3

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		39.8		38.4		38		37.8		36.7		36.4		36.2		38.8		37.8		38.4		39.8		39.4		38

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		15.2		18		16.9		18.4		18.6		18		16		15.2		16.5		18.2		17.6		17.4		18.2

Average Number of Days Above 90F/32C

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		318		28		23		23		22		24		22		27		29		28		29		29		29

Average Precipitation

Years on Record: 54

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		822.6		76.1		133.7		217.9		213.7		111.6		37.6		7.6		1.8		1		2.9		3.9		14.2

Average Evaporation Rate

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1774.8		151.8		94.3		69.7		58.4		71		99.3		150.2		200.8		222.8		242.7		217.7		196.1

Average Number of Rainy Days

Years on Record: 23

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		53		5		9		13		11		6		3		1		---		---		---		---		1

Average Relative Humidity

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		67.9		69		74		81		85		80		74		66		55		55		58		57		61

Average Morning Relative Humidity

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		70.7		70.5		76		80.6		82.2		79.8		74.8		70.7		64.3		61.7		59.9		62.9		65.6

Average Evening Relative Humidity

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		51.5		49.8		58.4		68.1		70.2		64.3		54.6		48.1		41.9		39.2		38.3		41.4		43.8

Average Dew Point

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		22		22		24		24		24		23		22		20		20		20		20		20		20

Cooling Degree Days

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		4103.9		344.4		298.2		301.4		283.3		292.8		283.3		292.8		327.2		333.3		361.7		350		353.1

Growing Degree Days

Years on Record: 9

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		7354.3		602.8		533.6		559.7		533.3		551.1		533.3		551.1		585.6		583.3		620		600		611.4

Average Station Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		1002.3		1001.2		1001.6		1001.2		1001.6		1002.2		1003.7		1004.5		1004		1003.3		1002		1000.9		1000.9

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		12.7		12.6		12.5		12.4		12.3		12.3		12.3		12.4		12.4		12.5		12.7		12.7

Average Percent of Cloud Cover

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		50		60		70		70		70		60		60		40		30		30		40		50		50

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.4		18.4		18.2		17.1		16.7		17.5		17.6		19		21.2		22.6		22.7		21.4		19.9

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.2		7.9		8.2		8.4		7.7		6.8		6.2		6		6.2		6.9		7.3		7.3		7.5

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.4		18.4		18.1		16.9		16.7		17.6		18		19.4		21.4		22.5		22.5		21.3		19.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18		15.6		14.3		12.3		13.1		16.4		18.2		20.3		22.2		22.4		21.9		20.5		18.6

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.4		18.4		18.2		17.1		16.7		17.5		17.6		19		21.2		22.6		22.7		21.4		19.9

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.6		8.1		8.4		8.5		7.8		7.1		6.7		6.4		7		7.4		7.8		7.8		7.9

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.5		20.5		21		19.2		19.6		19.4		20.4		21.5		23.6		24.1		23.8		23.4		21.2

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		21.8		19.3		19.1		15.8		17.8		19.6		23		24.6		26.6		25.6		24.5		24.5		20.9

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17		15.7		14.6		14		14		15.1		15.2		17.7		18.9		21.1		21		19.5		17.3

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.7		7.5		7.8		8.2		7.3		6.4		5.4		5.3		5.4		6.3		6.8		6.7		7.2

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		17		15.6		14.4		13.9		13.9		15.2		15.4		18		19		20.9		20.8		19.4		17.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		14		11.2		9		8.1		9		12.2		13.5		17.6		17.7		19.6		18.8		17.2		14.1