FORTALEZA, CEARA

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		79.9		80.8		80.3		79.6		79.2		79.1		78.5		78.1		78.8		79.6		80.5		81		81.1

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		86.2		86.9		86.2		85.5		85.5		85.8		85.3		85.1		85.8		86.4		86.9		87.3		87.3

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		74.5		75.9		75.2		74.5		74.1		73.9		73		72.3		72.9		74.1		75.4		75.9		76.3

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		99.9		99.9		91.9		91		90.7		91		89.2		91.4		93.9		90.9		92.1		91.4		91.8

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		66.9		68		70.2		68.4		68		69.1		68.5		66.9		66.9		68.9		69.8		70.3		69.8

Average Number of Days Above 86F/30C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		321		27		23		24		24		26		26		25		28		29		30		29		29

Average Number of Days Below 75F/23C

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		208		10		14		19		20		22		27		29		26		17		11		6		7

Average Precipitation

Years on Record: 77

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		56.1		3.3		7		11.7		13.7		9.4		4.5		2.2		1		0.6		0.5		0.6		1.5

Average Evaporation Rate

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		56.5		5		3.7		2.9		2.7		3.2		3.7		4.5		6		6.3		6.5		6.3		5.9

Average Number of Days With Thunderstorms

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		10		1		2		3		2		1		1		---		---		---		---		---		---

Most Rain Reported in a Month

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		98.3		20.8		28.3		22.2		24.2		17.7		9.2		9.8		1.5		2		1.3		3.4		4.4

Least Recorded Rainfall

Years on Record: 15

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in.		25.5		0.8		1.6		3.4		5.3		2.5		0.9		---		---		---		---		0.1		0.1

Average Relative Humidity

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		78.8		78.1		81.4		84.7		85.2		83.6		81		78.8		75.3		74.4		74		73.7		75.9

Average Morning Relative Humidity

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		89		89		91		94		94		94		93		91		88		86		84		84		86

Average Evening Relative Humidity

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		66		67		69		72		72		69		67		64		61		61		62		62		64

Average Dew Point

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		73		74		74		75		75		74		73		72		71		72		72		73		73

Cooling Degree Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5964.3		542.5		480.3		496		480		496		465		449.5		480.5		480		527		525		542.5

Growing Degree Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11443		1007.5		904		961		930		961		915		914.5		945.5		930		992		975		1007.5

Average Station Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
InHg		29.8		29.7		29.8		29.8		29.8		29.8		29.8		29.8		29.8		29.8		29.8		29.8		29.8

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 Number of Days With Fog

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		48		4		5		7		7		5		4		3		4		3		1		2		3

Average Percent of Cloud Cover

Years on Record: 30

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

Average Wind Speed

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mph		10		9		9		9		9		9		9		10		11		11		11		10		10

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.8		5.7		5.5		5		4.8		5.2		5.3		5.7		6.4		6.8		6.9		6.6		6.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.9		2.1		2.2		2.3		2.1		1.8		1.6		1.5		1.5		1.7		1.8		1.8		1.9

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.9		5.7		5.5		5		4.8		5.2		5.4		5.8		6.5		6.7		6.9		6.6		6.2

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.9		5.4		4.8		3.9		3.9		5.2		5.8		6.5		7.2		7.1		7.3		7		6.5

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.8		5.7		5.5		5		4.8		5.2		5.3		5.7		6.4		6.8		6.9		6.6		6.2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		2.1		2.2		2.3		2.4		2.2		2		1.8		1.7		1.7		2		2.2		2		2.2

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.6		6.6		6.4		6		5.9		6.1		6.1		6.2		7		7.2		7.3		7.1		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		7.3		7.1		6.4		5.5		5.8		6.9		7.2		7.4		8.3		8.1		8.2		8.1		8.1

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5		4.7		3.7		4.1		3.8		4.3		4.7		5.2		5.9		6		5.8		6.1		5.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.6		1.8		2		2.2		1.9		1.5		1.4		1.4		1.3		1.5		1.6		1.6		1.6

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5		4.7		3.7		4		3.8		4.3		4.7		5.3		6		5.9		5.8		6.1		5.2

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.3		3.7		2.1		2.4		2.4		3.5		4.6		5.5		6.2		5.6		5.2		6		4.5