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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 14169000 LONG TOM RIVER NEAR ALVADORE, OR


Lane County, Oregon
Hydrologic Unit Code 17090003
Latitude  44°07'21.4", Longitude 123°18'01.1" NAD83
Drainage area 252  square miles
Gage datum 335.56 feet above NAVD88
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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 1,500 1,250 685 451 165 115 46 52 83 359 774 825
2 1,430 1,290 613 424 170 114 45 52 86 447 786 789
3 1,350 1,270 542 372 197 108 43 53 88 522 796 848
4 1,300 1,240 535 308 211 115 41 54 92 592 791 882
5 1,290 1,170 588 267 202 127 41 58 95 631 792 921
6 1,290 1,040 598 231 248 118 40 61 101 670 772 1,010
7 1,330 884 581 247 249 109 40 59 116 706 753 1,060
8 1,340 862 543 290 226 95 41 63 129 724 743 1,100
9 1,400 810 513 317 200 89 42 65 129 752 732 1,120
10 1,450 825 535 331 184 82 43 64 132 772 725 1,100
11 1,440 773 559 337 178 78 43 62 138 782 723 1,040
12 1,500 733 507 347 158 70 44 63 141 788 715 1,010
13 1,530 771 516 342 156 63 44 65 145 786 688 934
14 1,560 801 489 305 168 58 45 67 142 774 635 956
15 1,560 817 514 281 170 60 47 70 147 772 559 978
16 1,480 850 515 296 162 57 48 74 158 761 487 1,030
17 1,520 876 463 296 178 53 47 76 158 746 463 1,110
18 1,520 848 429 281 195 50 47 76 159 746 477 1,180
19 1,470 884 403 246 173 50 47 77 155 748 457 1,170
20 1,440 909 381 231 159 54 47 78 157 768 501 1,090
21 1,390 839 377 222 155 57 47 80 178 770 590 1,090
22 1,330 710 386 221 153 55 48 79 181 759 613 1,180
23 1,330 663 398 216 135 53 49 80 179 772 642 1,260
24 1,350 624 377 232 128 51 50 80 183 783 648 1,290
25 1,330 660 369 234 126 50 50 85 203 794 703 1,300
26 1,420 764 322 223 134 51 51 87 208 778 743 1,260
27 1,370 799 310 218 139 51 51 83 217 771 791 1,310
28 1,290 737 345 193 135 49 51 83 230 772 830 1,330
29 1,240 982 370 184 121 47 51 83 248 757 829 1,300
30 1,210   362 177 103 47 51 85 282 741 822 1,290
31 1,220   399   113   51 83   746   1,310