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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 94 - 96 years of record in, ft3/s   (Calculation Period 1922-10-01 -> 2018-09-30)

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
1 179 235 364 714 887 492 244 102 87 104 136 170
2 179 233 374 726 867 480 236 100 89 104 135 176
3 180 235 378 742 851 470 229 99 86 104 135 179
4 183 238 381 753 839 456 222 99 89 105 139 180
5 189 243 385 765 833 447 217 97 89 108 141 180
6 189 249 392 778 819 438 208 95 89 109 141 178
7 190 255 397 788 807 432 202 93 89 110 142 173
8 195 261 399 796 798 422 195 93 90 110 144 171
9 200 268 407 804 784 414 189 89 90 111 144 165
10 200 269 428 813 770 405 184 88 91 112 144 163
11 199 269 443 818 758 395 180 87 93 113 146 168
12 196 272 456 826 749 386 174 86 95 113 146 171
13 200 276 471 842 733 376 168 86 95 115 149 173
14 207 279 483 861 720 368 165 85 94 115 151 182
15 209 279 495 881 707 359 158 83 96 114 154 185
16 217 284 510 889 695 351 153 86 96 116 157 185
17 226 294 524 904 683 345 148 85 97 116 160 184
18 231 299 535 921 669 336 144 84 99 116 162 185
19 230 302 549 932 655 327 138 84 101 119 162 184
20 233 306 566 933 641 318 134 84 101 120 164 183
21 230 312 583 938 629 310 131 83 100 122 167 187
22 224 317 597 938 616 305 127 85 101 123 169 191
23 223 321 611 936 605 299 124 84 101 126 166 192
24 222 324 628 939 588 291 121 86 101 127 167 190
25 223 328 641 943 570 286 118 88 101 127 170 189
26 224 342 648 938 554 281 115 88 102 128 172 189
27 223 346 652 934 547 275 113 89 100 129 170 188
28 221 353 661 927 545 270 111 88 101 131 167 188
29 225 314 672 926 533 260 108 87 103 132 165 188
30 226   690 917 519 253 107 86 104 134 165 184
31 229   704   507   104 86   135   183