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USGS Daily Statistics for Washington

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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 12409000 COLVILLE RIVER AT KETTLE FALLS, WA


Stevens County, Washington
Hydrologic Unit Code 17020003
Latitude  48°35'40", Longitude 118°03'41" NAD27
Drainage area 1,007  square miles
Gage datum 1,400 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 1922-10-01 -> 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
1 180 240 362 704 874 488 245 102 88 105 136 168
2 180 240 371 715 854 476 237 100 89 105 135 174
3 181 242 375 729 838 465 230 99 86 105 136 177
4 185 245 378 739 827 452 224 98 89 106 139 177
5 191 249 382 751 820 444 219 97 89 108 142 177
6 191 254 388 764 808 434 210 94 88 110 142 177
7 192 260 393 774 799 429 204 93 89 110 143 174
8 196 265 395 781 789 418 197 93 90 111 145 172
9 201 271 402 790 773 411 191 89 90 111 144 166
10 200 271 421 799 759 403 186 89 91 112 144 163
11 199 270 435 807 746 393 181 88 93 113 146 168
12 196 272 448 818 735 383 175 86 95 113 146 171
13 202 276 463 832 720 375 169 86 95 116 149 172
14 209 279 475 848 707 371 165 85 95 116 151 180
15 211 279 487 867 694 363 159 84 96 115 154 184
16 219 283 502 874 682 355 153 85 96 116 157 183
17 227 292 516 887 670 348 148 85 97 116 160 182
18 232 297 526 904 658 339 144 84 100 117 161 184
19 231 299 540 914 644 331 139 84 101 119 161 183
20 233 304 557 915 630 321 134 84 101 120 163 182
21 230 310 574 919 621 312 131 83 100 122 166 187
22 225 314 588 919 610 307 127 85 102 124 168 192
23 223 317 602 918 600 300 124 85 101 127 165 192
24 224 320 619 921 583 292 121 86 101 127 166 190
25 226 324 632 926 566 287 119 88 101 128 169 188
26 227 337 639 922 551 282 116 88 102 128 170 188
27 226 341 644 919 543 276 113 89 101 130 168 188
28 225 348 653 911 540 270 111 88 102 131 166 187
29 228 323 663 910 528 260 108 87 105 132 164 188
30 229   681 901 513 253 106 87 105 134 163 184
31 233   695   502   104 87   135   183