Country=	Brazil
Station=	PortoVelho
River=	Madeira
Area=	950582 km2
Lat=	-8.76
Lon=	-63.91
Source=	RivDIS
PointID=	504
Area Units=	km2
Discharge Units=	m3/sec
Starting Year=	1969
Ending Year=	1979
Total Years=	11
Total Usable Years=	11

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Avg Annual
1969	20388	22887	22913	22088	14140	11286	7533	4611	3812	3971	6462	12584	12722.9
1970	15127	20216	25110	25097	21348	15646	9301	5547	4940	4936	6146	9108	13543.5
1971	18426	27513	30263	25493	17061	10095	7589	4841	4411	6767	9375	14745	14714.9
1972	19528	26360	32128	31870	22410	16341	9161	7870	10680	10648	10150	19608	18062.8
1973	22729	30370	34017	32977	25670	19487	12369	8208	6075	6354	11957	19287	19125
1974	27056	31980	37331	33339	27779	19407	12136	7582	5195	5834	11153	14069	19405.1
1975	21731	29957	34138	32254	24715	17310	13542	7354	5227	8250	9075	18201	18479.5
1976	28662	34334	35586	32949	25917	17474	9373	5340	4535	4845	8453	13099	18380.6
1977	24220	27946	36251	33266	27614	18617	11880	7532	5867	7484	14243	21248	19680.7
1978	28184	28695	36349	31710	24374	17303	12370	5970	3753	4590	9468	22348	18759.5
1979	29896	34818	36460	38975	33000	21487	11577	6377	5142	5261	6785	10913	20057.6

Avg	23267.9	28643.3	32776.9	30910.7	24002.6	16768.4	10621	6475.64	5421.55	6267.27	9387.91	15928.2	17539.3

Std Dev	4543.76	4237.13	4604.69	4565.24	4957.89	3263.38	1990.92	1229.31	1805.49	1857.2	2348.95	4212.69	2475.67