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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 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 880.31 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 -> 2021-09-30)

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
1 290 256 296 400 697 256 297 52 75 320 356 270
2 198 209 286 526 465 259 310 50 65 118 213 242
3 194 181 364 394 452 254 205 51 60 84 213 293
4 260 167 452 325 567 207 141 46 40 83 272 311
5 377 207 362 362 408 216 148 72 41 134 225 249
6 225 217 334 306 304 202 121 66 35 96 198 192
7 181 208 320 266 441 247 118 57 32 66 250 194
8 218 179 320 268 548 213 105 66 55 84 140 161
9 183 157 310 271 392 270 106 53 65 255 147 157
10 239 149 501 528 326 479 121 65 52 155 135 236
11 327 185 477 562 338 275 104 45 46 94 146 224
12 219 197 469 465 345 328 143 57 55 97 189 187
13 312 229 509 307 393 270 93 48 36 94 286 182
14 251 236 604 381 450 289 77 40 189 93 260 221
15 277 290 544 364 443 194 75 39 179 85 226 301
16 234 278 368 308 410 200 65 44 126 75 202 239
17 224 303 383 251 404 215 63 53 103 102 260 203
18 284 226 576 284 315 158 56 34 76 70 282 170
19 242 270 734 259 276 223 49 36 73 66 291 231
20 221 231 513 354 380 328 71 277 83 173 260 274
21 239 321 413 503 482 199 58 61 64 111 226 230
22 222 388 348 458 512 224 56 51 94 93 246 176
23 198 579 329 396 459 222 60 117 100 81 178 168
24 204 638 510 380 321 175 66 53 280 70 359 181
25 228 418 501 548 298 132 52 51 416 80 447 228
26 198 334 390 495 296 122 59 39 246 80 270 230
27 194 310 384 405 296 110 53 31 186 139 258 622
28 197 292 439 406 268 222 48 38 90 115 221 470
29 230 197 533 573 220 215 55 30 77 97 217 275
30 304   535 812 226 138 56 33 186 178 252 250
31 387   504   217   64 45   118   264