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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 06784000 South Loup River at Saint Michael, Nebr.


Buffalo County, Nebraska
Hydrologic Unit Code 10210004
Latitude  41°01'57", Longitude  98°44'26" NAD83
Drainage area 2,320  square miles
Contributing drainage area 1,590.00  square miles
Gage datum 1,920.04 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 1943-10-01 -> 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
1 170 204 278 278 276 338 257 158 112 140 181 188
2 172 200 274 271 278 309 228 151 121 146 181 188
3 177 203 273 273 294 310 200 155 124 147 183 190
4 178 211 278 271 275 290 209 145 121 146 184 190
5 179 218 285 268 307 334 220 155 127 158 184 188
6 179 219 292 268 311 311 208 157 153 188 184 183
7 177 221 305 266 273 349 195 143 156 177 184 183
8 177 221 325 263 277 325 203 148 129 185 184 183
9 176 227 359 262 276 467 268 137 127 171 185 181
10 177 243 308 266 269 413 239 137 126 172 186 180
11 179 258 286 265 261 336 218 145 124 164 185 176
12 176 252 290 267 279 375 204 144 150 163 183 175
13 175 241 367 265 278 384 192 168 148 163 183 178
14 176 235 546 270 281 404 190 181 135 162 184 182
15 176 234 634 273 266 408 205 168 137 164 185 186
16 176 249 604 266 291 371 175 183 135 170 189 182
17 178 248 457 263 283 466 190 163 134 169 192 181
18 179 256 386 269 292 458 193 150 137 177 195 182
19 178 273 361 268 320 390 247 149 146 177 196 180
20 178 292 364 277 294 315 224 144 152 174 194 179
21 181 299 327 285 285 326 173 144 153 169 191 179
22 184 293 309 282 297 572 174 138 149 172 191 179
23 185 299 311 282 286 661 212 173 148 178 191 174
24 187 310 325 281 340 604 221 144 151 174 192 175
25 187 319 344 275 384 553 181 149 146 174 193 177
26 190 305 350 273 368 344 231 148 147 173 193 179
27 192 312 358 278 368 310 231 142 139 173 190 180
28 194 308 337 277 368 271 211 133 141 172 188 176
29 196 309 310 275 325 263 206 125 145 174 186 175
30 199   301 273 333 256 205 125 148 179 187 175
31 204   283   381   171 116   182   171