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USGS Daily Statistics for Missouri

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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 06918740 Little Sac River near Morrisville, MO


Polk County, Missouri
Hydrologic Unit Code 10290106
Latitude  37°28'58.3", Longitude  93°29'08.3" NAD83
Drainage area 237  square miles
Gage datum 880.32 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 1968-10-01 -> 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
1 274 244 286 394 696 287 281 53 71 298 337 255
2 188 212 275 523 470 277 292 50 63 111 203 229
3 195 184 399 390 463 265 196 50 57 80 202 276
4 253 167 452 359 566 262 136 45 39 79 259 292
5 360 203 358 421 681 262 149 68 40 127 223 234
6 217 212 330 334 376 246 119 63 34 94 194 181
7 175 203 328 281 483 284 123 55 31 65 240 183
8 209 176 339 276 557 239 104 65 52 81 136 152
9 175 165 319 273 452 561 107 66 61 239 142 148
10 228 157 490 517 357 522 120 72 49 146 131 226
11 309 187 464 564 351 295 103 49 43 89 140 217
12 209 196 454 468 351 336 138 58 51 92 180 180
13 295 224 489 317 389 276 97 49 34 89 269 175
14 238 230 576 382 439 293 78 46 177 89 245 212
15 263 280 519 359 444 202 75 45 167 82 213 287
16 223 271 354 305 416 205 75 47 118 72 190 229
17 213 296 368 252 431 215 81 55 97 97 244 198
18 270 226 546 281 372 162 77 36 71 67 265 166
19 231 265 693 260 300 219 61 37 68 63 275 221
20 212 226 487 419 395 313 78 261 78 162 247 260
21 228 308 394 525 540 194 63 60 60 105 214 219
22 213 372 343 455 531 216 59 50 88 88 232 169
23 199 551 325 390 461 213 62 112 95 78 168 161
24 200 604 545 384 446 169 67 52 264 72 336 172
25 221 399 510 542 403 130 53 50 390 79 418 216
26 194 321 390 527 362 124 60 38 231 80 255 218
27 189 299 380 425 359 112 53 30 175 134 244 582
28 192 282 426 418 325 214 48 37 85 112 211 441
29 222 186 512 605 272 205 54 30 73 99 207 259
30 291   515 813 265 138 54 32 174 173 239 237
31 367   497   247   63 44   116   249