PORTO NACIONAL, TOCANTINS

Average Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		26.1		25.5		25.4		25.6		26.1		26.2		25.3		25.3		26.9		28		26.9		26.3		25.7

Average High Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		32.9		31.3		31.3		31.2		32.2		33		33.4		33.8		35.7		35.6		33.2		32.1		31.4

Average Low Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		21		21.6		21.6		21.8		22		20.9		18.9		18		19.2		21.6		22.3		22.1		22

Highest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		40.1		37.1		37.5		36.3		37.4		36.9		37.1		37.2		40.1		40.1		40.1		38.7		37.9

Lowest Recorded Temperature

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		11.4		18.1		14.5		18		17.9		15		11.4		12.4		13.6		15.2		18.1		14.5		18

Average Number of Days Above 90F/32C

Years on Record: 3

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		272		14		20		14		23		25		30		27		29		25		23		15		23

Average Precipitation

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		2200		330		320		350		210		40		---		---		10		100		240		190		370

Average Evaporation Rate

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mm		1707.6		81.5		70.8		75.5		93.4		141		188.8		228.2		271.5		233.5		132.1		101.3		90

Average Number of Rainy Days

Years on Record: 7

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		89		13		10		13		10		3		---		---		---		2		8		11		15

Average Relative Humidity

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		71.9		83		84		84		80		72		64.5		56		50		56		74		79		80

Average Dew Point

Years on Record: 5

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
C		22		24		24		24		24		23		20		18		17		18		21		23		23

Cooling Degree Days

Years on Record: 3

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		3254.7		249.7		243.3		249.7		266.7		275.6		225		215.3		241.1		266.7		275.6		250		275.6

Growing Degree Days

Years on Record: 3

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		6505.1		508.1		478.7		508.1		516.7		533.9		475		473.6		499.4		516.7		533.9		500		533.9

Average Station Pressure

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
mbar		985.3		984.6		984.8		985.1		985.4		985.9		986.8		987		985.8		984.6		984.6		984.3		984.7

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		13		12.8		12.5		12.2		12		11.9		11.9		12.1		12.4		12.7		13		13.1

Average Percent of Cloud Cover

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		60		80		80		80		70		50		40		30		30		50		70		80		80

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.1		17.9		18.1		17.2		18.2		19.1		20.2		21		22.2		21.1		18.8		18.3		17

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.8		8.6		8.7		8.2		6.9		5.2		3.7		3.7		4.7		6.9		8.4		8.5		8.6

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.6		17.8		17.8		17.1		18.7		20.6		22.4		23.1		23.5		21.2		18.2		18.1		16.9

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		18.7		13.5		13.3		13		17.1		22.6		27.9		28.7		27.1		20.6		14.7		14		12.3

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		19.1		17.9		18.1		17.2		18.2		19.1		20.2		21		22.2		21.1		18.8		18.3		17

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		7.3		8.7		8.8		8.3		7.3		6		5.1		4.6		5.6		7.4		8.6		8.7		8.6

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		22.1		20.8		20.3		19.7		21.4		23.1		23.5		24.4		25.3		23.5		20.8		22.5		19.7

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		23		18.2		17.4		17.3		21.7		27.6		30.1		31.4		30.9		25.1		19.2		21.2		16.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.3		14.1		15.6		14.2		15.8		16.4		17.1		19.1		20.1		19.3		16.1		16		12.2

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		6.3		8.3		8.5		7.8		6.2		4.2		3.3		3.2		3.9		6.1		8		7.8		8

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Mj/m2		16.7		13.9		15.3		14		16.2		17.5		18.8		20.9		21.2		19.3		15.6		15.8		12

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		8.1		9.7		8.6		12.8		16.9		20.4		24.1		22.4		17.2		10.6		10.6		6.1