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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 07017200 Big River at Irondale, MO


Washington County, Missouri
Hydrologic Unit Code 07140104
Latitude  37°49'48.0", Longitude  90°41'27.2" NAD83
Drainage area 175  square miles
Gage datum 753.32 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 1964-10-01 -> 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
1 251 277 212 314 528 220 37 38 38 61 276 307
2 183 240 242 238 374 121 40 35 33 35 185 206
3 164 195 335 313 456 110 41 32 27 26 99 402
4 287 170 294 439 455 126 37 39 41 22 293 202
5 234 160 279 421 332 196 39 46 48 21 212 195
6 176 181 219 255 325 198 34 28 37 21 104 163
7 133 289 409 209 310 131 58 38 37 22 74 132
8 146 163 262 221 747 102 54 43 75 21 61 133
9 123 213 317 250 339 142 46 206 43 102 64 115
10 237 241 355 439 221 129 99 183 41 39 77 253
11 298 220 376 583 254 135 53 60 41 36 98 312
12 156 176 466 394 311 115 48 116 33 37 94 159
13 346 236 323 282 345 107 46 46 27 66 180 135
14 199 176 380 459 379 97 33 88 82 86 437 192
15 187 197 295 365 279 92 33 203 44 52 181 317
16 144 255 299 317 287 102 41 57 49 48 173 207
17 149 399 373 215 496 206 35 42 59 61 154 219
18 237 211 661 381 381 120 35 48 62 45 201 185
19 229 247 593 411 224 187 31 37 50 51 464 182
20 209 224 421 389 182 149 72 46 40 73 209 181
21 199 250 302 407 204 91 45 34 69 65 138 285
22 187 415 245 503 185 82 76 29 57 42 157 176
23 193 440 245 436 142 79 55 38 189 78 197 208
24 184 409 404 407 168 68 76 39 95 44 164 334
25 174 322 350 456 205 164 41 33 143 50 316 267
26 191 324 306 420 318 71 88 38 62 42 190 224
27 175 284 287 416 273 74 59 131 50 64 394 345
28 178 245 433 430 191 54 54 51 49 74 347 539
29 307 122 495 731 145 43 37 60 41 124 173 292
30 357   524 715 205 37 38 34 26 333 305 302
31 321   400   316   42 32   112   236