Global River Discharge Database

Results

Country: Madagascar Station: Antsatrana River: Ikopa Area: 18550 km2 Lat: -17.41 Lon: 46.85 Source: RivDIS PointID: 57 Area Units: km2 Discharge Units: m3/sec Starting Year: 1965 Ending Year: 1999 Total Years: 35 Total Usable Years: 32

Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Avg Annual
1965	1388	1249	909	661	354	295	271	239	165	134	246	776	557.25
1966	560	815	431	308	234	181	153	145	116	102	110	325	290
1967	1147	669	1290	535	277	217	181	141	119	105	-9999	-9999	-9999
1968	622	987	925	404	237	208	177	148	112	99	297	737	412.75
1969	789	972	560	554	292	199	170	149	117	120	181	744	403.92
1970	1327	752	905	381	248	137	166	137	104	92	405	536	432.5
1971	999	1571	967	452	295	242	180	131	127	109	328	701	508.5
1972	556	1670	900	474	297	236	193	167	105	222	268	596	473.67
1973	988	1099	1060	521	276	246	186	162	131	104	510	533	484.67
1974	715	910	735	831	353	227	195	163	123	150	247	729	448.17
1975	796	1156	1111	555	310	239	197	164	120	142	471	530	482.58
1976	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	-9999	194	373	-9999
1977	955	1040	854	405	289	168	147	118	97.5	97.5	136	498	400.42
1978	900	901	860	470	159	110	114	163	114	100	167	540	383.17
1979	1124	627	102	556	341	229	182	148	121	105	298	441	356.17
1980	1000	1314	1083	672	401	341	210	179	134	111	323	708	539.67
1981	750	900	1682	689	411	288	235	176	140	112	176	500	504.92
1982	980	1000	1314	520	365	272	211	161	115	110	153	580	481.75
1983	910	1037	1396	576	261	189	156	139	107	98	145	640	471.17
1984	880	1260	462	480	184	148	183	123	100	87	155	560	385.17
1985	666	1137	1357	661	279	221	194	136	104	107	149	400	450.92
1986	1184	795	1406	764	367	269	229	178	123	102	377	472	522.17
1987	964	882	1037	402	240	220	174	140	161	160	252	633	438.75
1988	1053	828	944	373	235	190	153	126	101	87	81	617	399
1989	1082	337	722	553	271	165	152	124	93	91	114	1536	436.67
1990	934	997	1174	708	368	249	192	158	127	118	581	716	526.83
1991	815	1324	778	543	306	284	218	180	132	145	336	731	482.67
1992	681	1281	833	380	237	217	220	173	120	100	239	890	447.58
1993	-9999	817	513	497	269	194	173	145	104	105	227	622	-9999
1994	578	1308	1117	440	245	199	153	130	94.8	155	187	297	408.65
1995	730	113	381	218	109	113	110	85	81	82	138	429	215.75
1996	483	1030	496	371	157	-9999	-9999	-9999	-9999	-9999	446	567	-9999
1997	803	516	785	549	205	142	134	113	0	119	115	-9999	-9999
1998	-9999	-9999	-9999	-9999	242	-9999	-9999	-9999	89.1	-9999	236	451	-9999
1999	1545	1815	1088	537	286	207	187	151	-9999	131	-9999	-9999	-9999
Avg	903.25	1003.3	914.45	516.36	276.47	213.81	181.13	149.75	112.42	115.67	251.15	606.5	440.91
Std Dev	246.49	346.21	337.9	131.38	68.25	52.54	33.58	26.74	27.19	27.7	123.5	216.11	72.94
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Avg Annual

Click here for this table in tab-delimited format.

Tab-delimited format will open in most table browsing software, i.e. Excel, etc.

---

View this station on the map.

Return to start.