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USGS Daily Statistics for Idaho

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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 13073000 PORTNEUF RIVER AT TOPAZ ID


Bannock County, Idaho
Hydrologic Unit Code 17040208
Latitude  42°37'29", Longitude 112°05'17" NAD83
Drainage area 576  square miles
Gage datum 4,921.77 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 1912-10-01 -> 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
1 142 169 169 235 294 326 213 180 156 127 139 146
2 142 159 169 240 296 322 211 179 155 127 140 147
3 142 151 170 240 298 316 208 178 153 127 141 147
4 141 148 171 236 303 311 206 177 152 126 142 146
5 142 146 174 238 309 307 211 176 151 126 142 145
6 140 146 175 244 314 302 207 174 150 126 143 145
7 140 146 174 242 322 301 205 172 149 127 143 145
8 144 147 177 248 327 297 207 171 150 127 143 144
9 145 148 177 249 331 293 203 171 149 128 143 144
10 143 156 179 246 332 290 204 169 147 129 143 144
11 143 167 183 242 331 283 202 170 145 129 144 144
12 143 181 184 242 333 276 201 169 143 130 144 144
13 145 167 187 244 334 270 199 169 141 130 144 144
14 146 167 187 247 340 266 198 168 139 130 144 144
15 146 161 191 250 344 260 195 167 136 130 143 143
16 144 161 192 255 350 256 193 167 134 130 144 142
17 145 159 195 255 357 253 194 165 130 131 145 142
18 145 161 198 258 361 251 193 164 129 131 146 140
19 146 166 202 258 362 247 191 164 128 132 147 140
20 148 168 203 260 361 243 191 164 128 132 147 141
21 152 169 206 263 360 238 190 163 129 133 147 142
22 153 171 209 265 360 235 189 162 127 133 146 145
23 150 166 217 270 357 230 190 162 128 134 146 153
24 146 167 222 272 355 228 187 161 128 135 146 150
25 145 169 220 274 352 224 187 160 128 135 147 146
26 145 171 220 276 349 223 186 160 128 136 147 143
27 145 171 222 279 349 221 184 158 128 136 147 143
28 144 168 226 286 344 219 182 157 127 136 146 144
29 143 170 226 289 341 217 183 157 127 137 145 144
30 147   228 292 337 215 183 157 127 137 146 143
31 152   231   333   182 157   138   142