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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 12456500 CHIWAWA RIVER NEAR PLAIN, WA


Chelan County, Washington
Hydrologic Unit Code 17020011
Latitude  47°50'15", Longitude 120°39'40" NAD27
Drainage area 170  square miles
Gage datum 2,100.00 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 -> 2022-09-30)

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
1 166 171 158 335 1,030 1,920 1,190 412 177 144 232 283
2 160 169 158 354 1,050 1,900 1,160 393 171 139 218 262
3 163 164 159 366 1,100 1,910 1,120 376 169 144 207 248
4 160 163 158 375 1,130 1,870 1,070 370 186 151 234 233
5 159 164 158 386 1,180 1,860 1,010 365 173 150 246 225
6 164 164 159 393 1,230 1,820 994 355 166 138 261 218
7 172 171 159 408 1,290 1,790 981 347 161 137 309 208
8 189 180 161 435 1,360 1,740 965 332 159 141 288 204
9 181 191 166 471 1,410 1,670 961 316 155 149 262 219
10 173 186 173 498 1,440 1,620 948 302 151 152 250 219
11 167 178 177 514 1,460 1,590 921 293 150 160 233 226
12 165 172 194 522 1,520 1,580 895 281 146 153 270 211
13 166 171 203 541 1,570 1,580 865 270 142 148 307 212
14 166 169 209 572 1,600 1,570 848 261 142 151 311 204
15 170 171 224 579 1,650 1,540 816 258 145 155 314 197
16 169 173 231 592 1,730 1,510 775 247 150 162 293 193
17 172 173 230 616 1,810 1,500 738 236 151 185 273 186
18 174 176 231 647 1,840 1,470 705 230 154 186 272 186
19 189 177 240 686 1,830 1,430 686 224 151 192 270 180
20 184 175 248 742 1,800 1,410 667 220 147 204 260 177
21 178 173 248 786 1,770 1,420 654 215 144 245 234 176
22 172 176 252 819 1,770 1,430 630 210 140 206 232 172
23 171 176 257 850 1,800 1,410 609 206 136 196 260 167
24 174 170 264 886 1,860 1,360 589 200 139 191 259 164
25 175 166 278 888 1,920 1,320 564 197 137 223 260 164
26 176 163 280 896 1,910 1,280 541 193 138 217 260 164
27 172 161 281 918 1,880 1,260 517 188 144 203 266 160
28 168 159 284 944 1,880 1,260 494 182 138 207 282 160
29 167 179 284 975 1,890 1,270 475 179 140 226 333 164
30 165   293 1,010 1,880 1,240 454 180 142 211 350 172
31 167   316   1,890   433 174   243   170