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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 06012500 Red Rock R bl Lima Reservoir nr Monida MT


Beaverhead County, Montana
Hydrologic Unit Code 10020001
Latitude  44°39'21.17", Longitude 112°22'16.40" NAD83
Drainage area 566  square miles
Gage datum 6,530 feet above NGVD29
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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 1910-10-01 -> 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 23 20 19 20 204 457 405 217 184 80 74 36
2 23 20 19 21 206 461 390 214 182 78 72 34
3 23 20 19 21 212 470 374 211 180 77 69 34
4 23 20 19 22 214 482 364 207 175 76 69 33
5 23 20 19 24 220 486 360 206 173 75 69 32
6 22 20 19 27 226 483 359 211 167 73 68 32
7 22 20 19 27 234 480 355 212 161 74 64 33
8 22 20 19 29 240 478 355 213 160 74 63 31
9 22 20 19 32 244 480 350 211 159 73 64 31
10 22 20 19 35 252 479 344 210 157 71 62 31
11 22 20 19 38 264 479 332 211 154 69 59 29
12 22 20 19 44 275 481 323 210 152 66 56 29
13 22 20 19 51 286 483 312 210 145 65 55 29
14 21 20 19 60 304 481 303 213 139 67 54 28
15 22 20 19 69 313 478 296 213 132 69 50 28
16 21 20 18 76 319 478 291 212 121 68 46 27
17 21 20 19 82 322 476 285 209 119 68 45 27
18 21 20 19 88 330 475 279 205 118 68 45 26
19 21 20 19 96 327 473 270 202 115 67 44 26
20 21 20 19 108 333 468 258 202 111 67 44 26
21 21 20 18 116 341 463 247 202 109 66 44 26
22 21 20 18 130 349 458 241 197 104 65 43 25
23 21 20 18 141 365 453 235 193 102 64 42 24
24 21 20 18 148 380 449 226 192 98 66 42 24
25 21 20 18 154 388 443 225 191 96 66 40 24
26 21 20 18 163 400 436 222 192 94 66 39 24
27 21 20 18 173 408 433 222 193 90 67 39 24
28 21 20 19 182 414 428 222 192 87 67 39 24
29 21 18 19 191 421 421 221 187 84 66 39 24
30 21   19 195 432 415 222 182 82 65 39 23
31 20   19   447   220 183   62   23