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USGS Daily Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 04187100 Ottawa River at Lima OH


Allen County, Ohio
Hydrologic Unit Code 04100007
Latitude  40°43'29", Longitude  84°07'35" NAD27
Drainage area 128  square miles
Contributing drainage area 128  square miles
Gage datum 819.43 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1987-10-01 -> 2025-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 194 51 406 154 163 222 101 35 16 16 101 123
2 164 98 297 208 168 204 98 42 20 14 137 91
3 101 125 242 303 140 113 139 54 14 12 106 81
4 125 140 283 359 160 90 93 50 27 11 56 88
5 121 197 236 218 216 92 40 64 29 47 44 141
6 77 147 231 131 240 84 29 52 130 55 39 158
7 73 140 187 143 133 83 30 68 51 57 34 84
8 173 127 231 189 75 115 74 50 34 28 22 47
9 118 95 241 188 135 135 122 42 72 16 19 38
10 126 116 331 278 199 155 155 61 103 42 20 53
11 184 87 293 431 194 95 140 60 46 51 41 81
12 275 118 204 412 159 130 120 48 21 28 55 83
13 266 105 192 247 113 177 198 56 15 22 89 70
14 189 54 284 156 113 217 219 50 18 26 89 58
15 90 84 287 158 124 216 203 27 19 16 77 86
16 102 190 161 180 142 283 127 22 13 14 69 95
17 147 240 133 198 159 195 301 59 12 11 67 116
18 200 332 137 161 124 129 289 66 9.4 25 126 112
19 198 275 209 172 243 140 130 50 12 40 153 87
20 144 215 177 263 248 101 53 22 18 97 76 62
21 138 239 191 236 128 101 47 38 63 85 38 222
22 193 271 125 157 98 95 131 53 85 49 45 310
23 296 252 173 143 58 213 140 26 49 29 129 193
24 306 238 171 146 66 236 103 23 21 19 104 135
25 162 253 164 160 165 133 62 26 18 26 87 114
26 116 179 133 292 408 62 30 17 39 27 99 84
27 143 376 101 187 351 116 28 17 43 31 84 135
28 194 583 102 121 258 126 30 28 29 39 78 190
29 127 293 211 145 186 97 21 20 18 68 122 229
30 87   202 184 112 75 21 16 21 81 146 282
31 69   173   154   47 12   68   241