Country=	Brasil
Station=	Pedra do O
River=	Iriri
Area=	123827 km2
Lat=	-4.57
Lon=	-54.05
Source=	ANEEL
PointID=	43
Area Units=	km2
Discharge Units=	m3/sec
Starting Year=	1976
Ending Year=	1994
Total Years=	19
Total Usable Years=	16

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Avg Annual
1976	352	715	1422	2435	1893	1023	366	71	166	263	676	1725	925.58
1977	3457	5294	5908	6703	6571	3781	1593	576	285	511	962	1531	3097.67
1978	5220	5310	9482	8351	5870	3235	1297	607	301	406	553	1433	3505.42
1979	2800	6362	8981	5919	3601	1609	576	245	247	229	608	1071	2687.33
1980	2916	4839	10241	7052	3015	1095	459	190	133	195	451	1236	2651.83
1981	3173	4230	3687	5597	2887	1086	415	182	150	137	369	1288	1933.42
1982	2882	7977	9583	7317	6314	2218	908	370	224	407	398	629	3268.92
1983	1823	4520	5039	5223	1944	909	373	191	125	144	342	857	1790.83
1984	1752	2841	4434	6989	6896	2468	902	332	286	252	655	882	2390.75
1985	3342	7226	8283	6861	7963	2854	1169	469	230	284	699	2424	3483.67
1986	5776	6255	7302	6603	4771	2097	966	420	275	663	1086	974	3099
1987	1824	2284	4536	5171	2878	1267	525	225	140	193	229	319	1632.58
1988	1732	2997	6075	6361	5204	2104	827	291	142	258	610	2360	2413.42
1989	3427	5171	6521	-9999	-9999	-9999	1366	575	342	329	1053	2407	-9999
1990	5767	4476	7942	-9999	-9999	-9999	-9999	-9999	-9999	264	342	781	-9999
1991	2532	5855	5866	7229	5577	2928	1038	315	-9999	-9999	451	569	-9999
1992	1691	4300	5315	6130	3409	1190	471	199	129	162	232	1410	2053.17
1993	2945	3515	6570	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999
1994	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	290	683	-9999

Avg	2967.28	4675.94	6510.39	6262.73	4586.2	1990.93	828.19	328.63	211.67	293.56	555.89	1254.39	2495.26

Std Dev	1409.33	1740.54	2245.36	1309.89	1854.24	883.88	378.81	156.39	72.12	137.75	258.12	622.26	737.65