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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 06813000 Tarkio River at Fairfax, MO


Atchison County, Missouri
Hydrologic Unit Code 10240005
Latitude  40°20'21.9", Longitude  95°24'24.6" NAD83
Drainage area 508  square miles
Gage datum 871.55 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 1921-10-01 -> 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
1 107 168 316 265 402 401 307 139 327 157 175 130
2 101 147 260 235 322 516 408 124 231 254 152 130
3 130 134 394 261 329 363 298 187 277 181 140 114
4 131 161 372 249 280 463 310 151 246 150 132 133
5 116 158 221 222 336 587 322 133 186 178 123 121
6 102 151 272 216 282 509 451 197 145 214 114 113
7 92 141 282 226 444 445 424 122 148 261 111 113
8 94 130 237 197 367 566 329 151 242 183 111 116
9 94 137 256 233 366 757 358 235 276 185 205 108
10 90 138 273 298 347 686 341 200 271 186 143 104
11 93 132 367 260 397 567 282 179 208 280 112 119
12 140 140 467 267 351 775 330 229 304 228 115 105
13 151 151 382 241 311 608 264 234 236 145 116 123
14 112 149 338 237 304 458 234 180 153 151 117 207
15 141 148 319 285 305 698 345 239 201 222 113 149
16 119 138 299 336 330 572 289 153 211 168 132 116
17 141 160 287 276 341 504 243 144 150 122 144 105
18 111 250 358 319 290 509 298 138 173 128 129 97
19 112 307 460 260 311 357 544 144 157 171 114 100
20 102 255 308 284 364 500 361 129 186 131 111 97
21 109 258 237 313 431 501 294 172 178 125 110 97
22 109 218 214 266 425 462 301 130 162 195 101 101
23 119 236 261 256 335 438 203 121 146 150 154 126
24 131 253 217 222 378 373 167 214 173 122 125 158
25 116 233 244 295 422 462 165 153 151 130 100 117
26 116 257 271 239 555 365 185 275 141 106 99 115
27 121 241 283 304 547 479 176 251 128 98 116 145
28 120 239 311 317 558 467 181 269 120 108 107 132
29 122 257 342 324 556 357 225 310 133 123 97 121
30 111   311 391 612 333 350 265 159 119 108 152
31 114   284   513   164 310   199   132