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USGS Daily Statistics for Kansas

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Historic (pre-2007) gage-height data may contain erroneous values, such as pressure sensors encased in ice, even if they are flagged as approved. These data are made available to the public, but data users are cautioned to carefully screen the data and contact the USGS Kansas Water Science Center if they have questions or concerns about specific values.

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 07143665 L ARKANSAS R AT ALTA MILLS, KS


Harvey County, Kansas
Hydrologic Unit Code 11030012
Latitude  38°06'44", Longitude  97°35'30" NAD27
Drainage area 736  square miles
Contributing drainage area 681  square miles
Gage datum 1,392.04 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 1973-10-01 -> 2024-09-30)

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 26 139 126 440 318 472 174 198 140 198 375 43
2 24 114 157 288 235 429 223 210 181 166 560 46
3 22 106 240 191 162 315 416 163 212 204 426 44
4 20 102 323 209 132 258 434 244 180 236 269 72
5 19 115 378 276 94 219 395 255 133 176 185 53
6 19 120 297 268 99 217 372 239 108 115 103 42
7 20 110 182 211 188 216 355 240 64 60 71 35
8 25 84 116 228 460 208 374 195 46 86 80 31
9 30 47 96 206 654 301 330 137 42 279 112 28
10 27 33 90 141 644 382 251 132 56 423 137 27
11 25 47 119 141 498 459 161 188 44 558 103 38
12 23 86 129 151 392 463 129 189 69 612 55 60
13 22 91 112 102 382 419 92 182 102 510 41 105
14 21 64 102 98 376 330 257 241 103 350 38 172
15 20 49 99 191 291 257 348 178 97 212 33 194
16 22 35 120 218 224 278 277 129 64 164 40 125
17 30 34 193 168 278 312 259 116 43 146 60 66
18 49 64 292 107 225 282 323 108 77 111 82 46
19 60 86 415 88 272 276 347 142 143 76 68 34
20 70 81 385 165 306 328 286 186 130 56 60 29
21 74 70 289 282 443 396 257 154 96 44 79 33
22 66 81 316 262 588 534 251 93 98 44 96 30
23 46 140 421 158 573 619 272 191 108 48 84 39
24 36 237 600 107 649 627 258 269 118 32 41 76
25 29 320 797 127 635 661 287 276 163 33 29 93
26 27 280 541 162 687 494 253 297 128 48 32 73
27 25 164 299 211 883 339 173 213 79 59 26 84
28 25 101 240 290 953 278 128 204 35 63 22 94
29 28 101 281 340 853 197 105 195 27 40 23 72
30 37   352 340 670 170 150 142 44 138 27 38
31 112   473   512   158 138   304   31