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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 14306500 ALSEA RIVER NEAR TIDEWATER, OR


Lincoln County, Oregon
Hydrologic Unit Code 17100205
Latitude  44°23'10", Longitude 123°49'50" NAD27
Drainage area 334  square miles
Gage datum 48.16 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 1939-10-01 -> 2025-09-30)

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 3,110 3,220 2,720 2,240 1,020 531 270 135 112 169 756 2,660
2 3,160 3,020 2,680 1,970 1,050 547 264 134 129 182 807 2,950
3 3,050 2,950 2,540 1,850 1,070 551 254 132 120 189 742 3,250
4 3,330 2,800 2,520 1,730 1,080 533 246 130 109 181 769 3,340
5 3,220 2,680 2,470 1,720 1,130 526 239 128 111 202 787 3,320
6 3,400 3,200 2,520 1,730 1,120 542 235 125 109 191 766 3,160
7 3,580 3,470 2,470 1,750 1,090 610 228 124 106 184 899 3,170
8 3,500 3,290 2,480 1,850 1,020 563 223 123 100 183 951 2,880
9 3,490 3,290 2,580 1,830 961 540 220 120 104 255 1,050 2,710
10 3,640 3,340 2,620 1,760 920 515 217 117 109 299 1,030 2,970
11 3,550 2,900 2,610 1,740 897 485 212 114 107 277 1,160 3,110
12 3,560 2,860 2,680 1,710 856 470 204 112 121 273 1,290 3,140
13 3,700 3,020 2,760 1,710 855 458 199 111 114 266 1,310 3,260
14 3,560 2,800 2,770 1,630 913 442 195 111 108 285 1,430 3,320
15 3,820 2,720 2,880 1,560 878 425 191 109 115 289 1,640 3,390
16 3,880 3,150 2,730 1,500 817 406 187 109 126 340 1,750 3,380
17 3,960 3,440 2,560 1,470 780 388 185 109 125 320 1,790 3,090
18 4,170 3,440 2,470 1,410 772 373 183 108 135 393 1,810 2,960
19 4,060 3,350 2,250 1,380 753 361 181 107 158 412 2,190 2,990
20 3,920 3,180 2,140 1,410 718 348 172 106 156 479 2,020 3,450
21 3,730 3,030 2,080 1,390 700 335 167 106 137 421 1,890 3,910
22 3,310 3,080 2,230 1,340 700 325 165 106 122 481 2,300 3,890
23 3,340 2,940 2,200 1,340 677 317 161 108 119 515 2,340 3,380
24 3,320 2,890 2,220 1,390 643 309 156 112 124 512 2,560 3,120
25 3,390 2,900 2,200 1,260 626 312 153 116 126 461 2,870 3,030
26 3,260 2,690 2,190 1,170 614 307 150 117 137 462 2,880 3,040
27 3,360 2,630 2,230 1,200 600 299 148 111 136 535 2,750 3,270
28 3,550 2,770 2,230 1,170 588 292 146 108 139 619 2,460 3,770
29 3,210 3,130 2,420 1,080 572 291 142 110 176 564 2,320 3,490
30 3,000   2,690 1,030 552 279 139 112 200 588 2,330 3,680
31 3,000   2,550   540   137 109   634   3,480