Country=	Brazil
Station=	PortoFormoso
River=	Parnaiba
Area=	282000 km2
Lat=	-3.43
Lon=	-42.4
Source=	
PointID=	1146
Area Units=	km2
Discharge Units=	m3/sec
Starting Year=	1976
Ending Year=	1981
Total Years=	6
Total Usable Years=	6

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Avg Annual
1976	754	1468	1262	1316	451	337	314	324	325	564	654	680	704.08
1977	778	1267	1313	1884	1919	605	418	356	350	431	451	539	859.25
1978	1378	957	2149	1477	1786	599	461	344	343	330	548	768	928.33
1979	1100	2528	1794	886	934	470	355	387	439	375	725	560	879.42
1980	1400	2519	3107	827	450	362	355	294	338	537	717	775	973.42
1981	841	786	1202	1943	629	425	349	311	273	451	726	621	713.08

Avg	1041.83	1587.5	1804.5	1388.83	1028.17	466.33	375.33	336	344.67	448	636.83	657.17	842.93

Std Dev	270.02	696.32	672.58	434.72	606.01	105.01	49.06	30.55	49.16	82.59	103.98	92.56	101.7