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USGS Daily Statistics for Oregon

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 1,230 703 457 165 114 47 52 83 359 774 825
2 1,430 1,280 627 430 170 114 45 53 86 447 786 789
3 1,350 1,260 549 376 197 108 43 53 88 522 796 848
4 1,300 1,230 535 311 211 115 42 54 92 592 791 882
5 1,290 1,160 585 270 201 126 41 58 95 631 792 921
6 1,290 1,030 594 234 246 118 40 61 101 670 772 1,010
7 1,330 875 576 250 248 108 40 59 116 706 753 1,060
8 1,340 853 538 293 225 95 41 63 129 724 743 1,100
9 1,400 801 508 319 199 89 42 65 129 752 732 1,120
10 1,450 816 530 333 183 82 43 64 132 772 725 1,100
11 1,440 765 554 337 178 78 44 62 138 782 723 1,040
12 1,500 726 502 347 158 70 44 63 141 788 715 1,010
13 1,530 763 511 341 156 63 44 65 145 786 688 934
14 1,560 793 484 304 167 59 45 67 142 774 635 956
15 1,560 808 509 280 169 60 47 70 147 772 559 978
16 1,480 841 510 295 162 57 48 74 158 761 487 1,030
17 1,520 867 472 294 177 53 48 76 158 746 463 1,110
18 1,520 839 459 279 194 51 47 76 159 746 477 1,180
19 1,470 878 433 245 172 50 47 77 155 748 457 1,170
20 1,440 904 411 230 158 54 47 78 157 768 501 1,090
21 1,390 835 407 221 154 57 48 80 178 770 590 1,090
22 1,320 708 416 219 153 56 48 79 181 759 613 1,180
23 1,320 664 427 214 135 53 49 80 179 772 642 1,260
24 1,340 629 406 230 128 51 50 80 183 783 648 1,290
25 1,320 674 397 232 126 50 50 85 203 794 703 1,300
26 1,410 782 342 221 134 51 51 87 208 778 743 1,260
27 1,360 816 318 217 139 51 51 83 217 771 791 1,310
28 1,280 755 352 192 135 49 51 83 230 772 830 1,330
29 1,220 982 377 184 121 47 51 83 248 757 829 1,300
30 1,200   369 177 103 47 51 85 282 741 822 1,290
31 1,200   406   113   51 83   746   1,310