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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 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
1 180 237 358 704 878 490 245 102 88 105 136 168
2 180 236 368 715 858 478 237 100 89 105 135 174
3 181 239 372 729 842 466 230 99 86 105 136 177
4 185 241 375 740 831 453 224 98 89 106 139 178
5 191 246 380 752 824 445 219 97 89 108 142 178
6 191 250 386 765 812 435 210 94 88 110 142 176
7 192 256 392 774 802 430 204 93 89 110 143 171
8 196 262 394 782 792 420 197 93 90 111 144 169
9 201 267 401 791 776 412 191 89 90 111 144 164
10 200 268 420 801 762 404 186 89 91 112 144 162
11 199 267 434 809 749 395 181 88 93 113 145 167
12 197 269 446 820 739 385 175 86 95 113 146 170
13 203 274 461 834 723 375 169 86 95 116 149 172
14 210 277 473 851 710 371 165 85 95 116 151 180
15 212 277 486 869 697 363 159 84 96 115 154 183
16 220 281 501 877 685 355 153 85 96 116 157 183
17 228 291 515 890 673 348 148 85 97 116 160 181
18 233 296 525 907 661 339 144 84 100 117 161 184
19 232 298 539 917 647 331 139 84 101 119 161 183
20 234 302 556 918 633 321 134 84 101 120 164 182
21 231 308 572 923 623 312 131 83 100 122 166 186
22 225 313 587 923 612 307 127 85 102 124 168 191
23 223 316 601 922 602 300 124 85 101 127 165 192
24 223 319 617 925 585 292 121 86 101 127 167 190
25 225 322 630 930 568 287 119 88 101 128 169 188
26 226 336 638 926 552 282 116 88 102 128 171 188
27 225 340 642 923 545 276 113 89 101 130 168 188
28 223 347 651 915 542 270 111 88 102 131 166 187
29 226 314 662 914 530 260 108 87 105 132 164 188
30 226   680 905 515 253 106 87 105 134 164 184
31 230   694   504   104 87   135   183