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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 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
1 107 169 319 267 405 404 307 139 327 157 175 130
2 102 148 263 236 324 521 408 124 231 254 152 130
3 131 135 398 261 331 366 298 187 277 181 140 114
4 132 163 376 250 282 467 310 151 246 150 132 134
5 117 159 222 223 338 592 322 133 186 178 123 121
6 103 152 274 217 284 514 451 197 145 214 114 114
7 93 142 284 227 448 448 424 122 148 261 111 114
8 95 131 238 199 370 570 329 151 242 183 111 116
9 94 138 258 235 369 763 358 235 276 185 205 108
10 91 140 275 301 350 692 341 200 271 186 143 105
11 93 133 370 262 401 572 282 179 208 280 112 119
12 141 141 471 269 354 783 330 229 304 228 115 106
13 152 152 385 243 314 614 264 234 236 145 116 124
14 113 150 341 240 306 462 234 180 153 151 117 209
15 142 149 322 288 307 705 345 239 201 222 113 150
16 120 139 302 339 333 578 289 153 211 168 132 117
17 142 161 290 279 345 509 243 144 150 122 144 105
18 112 252 362 322 293 509 298 138 173 128 129 98
19 113 311 465 261 314 357 544 144 157 171 114 100
20 102 258 311 286 366 500 361 129 186 131 111 97
21 110 260 239 315 435 501 294 172 178 125 110 97
22 110 220 216 268 429 462 301 130 162 195 101 101
23 120 239 264 258 337 438 203 121 146 150 154 127
24 132 256 219 223 382 373 167 214 173 122 125 159
25 118 235 247 292 426 462 165 153 151 130 100 118
26 117 260 274 236 561 365 185 275 141 106 99 116
27 122 243 286 304 553 479 176 251 128 98 116 146
28 121 241 314 318 563 467 181 269 120 108 107 133
29 123 257 346 325 562 357 225 310 133 123 97 122
30 111   314 393 618 333 350 265 159 119 108 153
31 115   286   518   164 310   199   133