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USGS Surface-Water 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
1 166 172 162 342 1,020 1,920 1,190 412 177 144 232 283
2 161 170 163 360 1,040 1,900 1,160 393 171 139 218 262
3 163 165 163 372 1,090 1,910 1,120 376 169 144 207 248
4 160 164 162 382 1,130 1,870 1,070 370 186 151 234 233
5 160 165 162 392 1,180 1,860 1,010 365 173 150 246 225
6 164 165 162 397 1,230 1,820 994 355 166 138 261 218
7 172 172 163 411 1,290 1,790 981 347 161 137 309 208
8 189 180 164 438 1,350 1,740 965 332 159 141 288 204
9 182 191 169 474 1,400 1,670 961 316 155 149 262 219
10 174 187 176 499 1,430 1,620 948 302 151 152 250 219
11 168 179 180 514 1,450 1,590 921 293 150 160 233 226
12 166 174 196 522 1,510 1,580 895 281 146 153 270 211
13 168 173 205 540 1,550 1,580 865 270 142 148 307 212
14 168 170 211 570 1,580 1,570 848 261 142 151 311 204
15 172 173 227 576 1,630 1,540 816 258 145 155 314 197
16 171 175 233 589 1,720 1,510 775 247 150 162 293 197
17 174 175 232 612 1,810 1,500 738 236 151 185 273 189
18 176 178 233 643 1,840 1,470 705 230 154 186 272 189
19 190 179 242 680 1,830 1,430 686 224 151 192 270 183
20 186 177 250 735 1,800 1,410 667 220 147 204 260 179
21 181 175 250 778 1,770 1,420 654 215 144 245 234 178
22 174 177 254 811 1,770 1,430 630 210 140 206 232 174
23 173 177 260 841 1,800 1,410 609 206 136 196 260 170
24 176 171 267 877 1,860 1,360 589 200 139 191 259 167
25 177 166 280 880 1,920 1,320 564 197 137 223 260 167
26 177 163 282 888 1,910 1,280 541 193 138 217 260 166
27 174 161 285 910 1,880 1,260 517 188 144 203 266 161
28 170 161 289 935 1,880 1,260 494 182 138 207 282 161
29 169 179 290 966 1,890 1,270 475 179 140 226 333 165
30 167   301 1,000 1,880 1,240 454 180 142 211 350 172
31 168   323   1,890   433 174   243   170