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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 06921590 South Grand River at Archie, MO


Cass County, Missouri
Hydrologic Unit Code 10290108
Latitude  38°29'29.69", Longitude  94°20'39.28" NAD83
Drainage area 356  square miles
Gage datum 767.35 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 1969-10-01 -> 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
1 275 209 171 609 1,230 897 1,110 74 199 534 520 272
2 130 149 143 362 875 347 744 55 131 231 318 135
3 348 129 268 620 573 371 196 53 67 622 308 83
4 247 158 702 462 360 823 182 54 112 602 166 285
5 112 200 369 587 461 797 297 54 69 139 111 293
6 122 195 216 362 483 428 207 287 25 82 221 112
7 117 114 247 416 524 346 167 106 19 182 79 70
8 157 103 155 506 547 331 329 66 25 355 83 62
9 120 149 349 299 327 1,120 156 57 56 436 159 80
10 124 114 755 432 229 1,170 143 55 131 316 86 99
11 223 202 630 453 263 419 235 42 53 333 81 177
12 100 165 426 347 297 567 284 26 96 587 66 92
13 87 134 468 313 636 388 94 284 168 622 77 172
14 82 132 440 248 642 281 204 92 143 485 93 271
15 74 143 407 219 536 635 170 31 62 208 506 396
16 80 183 475 331 372 686 60 35 129 118 484 217
17 148 195 492 180 965 416 88 63 82 89 93 94
18 292 179 683 518 596 174 104 44 103 239 117 72
19 294 158 729 557 336 294 46 27 82 147 172 72
20 220 210 643 320 493 218 61 27 30 101 194 163
21 213 536 350 576 1,040 369 95 82 23 166 201 84
22 233 611 388 513 598 467 79 676 147 217 68 77
23 183 687 362 509 256 465 33 1,030 896 234 107 89
24 134 582 568 415 406 555 59 163 407 89 97 103
25 162 278 600 309 984 370 144 43 185 95 58 232
26 187 231 510 300 544 348 46 51 64 156 57 100
27 144 215 561 767 942 123 500 68 251 118 442 283
28 116 361 518 943 575 404 503 48 569 68 175 267
29 109 123 420 765 500 624 118 30 884 114 81 499
30 441   442 1,220 662 974 81 362 921 142 159 437
31 352   451   940   158 144   152   295