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USGS Surface-Water 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 14020850 UMATILLA R AT W RESERVATION BNDY NR PENDLETON, OR


Umatilla County, Oregon
Hydrologic Unit Code 17070103
Latitude  45°40'18", Longitude 118°44'08" NAD27
Drainage area 441  square miles
Gage datum 1,130 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 1995-10-01 -> 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
1 949 960 839 1,420 1,150 598 121 46 42 60 100 392
2 834 842 826 1,390 1,080 574 114 45 42 59 94 448
3 681 820 844 1,310 1,070 679 107 45 42 58 91 484
4 612 828 867 1,310 1,070 640 102 44 42 59 94 431
5 583 860 862 1,370 1,110 625 96 44 43 57 120 400
6 595 1,200 967 1,470 1,130 550 92 43 43 57 116 373
7 635 1,520 922 1,430 1,150 481 88 44 42 56 118 353
8 709 1,320 951 1,580 1,030 433 84 44 42 57 143 413
9 676 1,200 1,040 1,700 937 400 81 43 43 59 141 428
10 676 1,090 1,370 1,630 854 405 80 42 44 61 132 440
11 673 914 1,350 1,580 821 414 78 42 44 61 127 436
12 690 831 1,260 1,580 832 426 74 42 44 61 136 477
13 718 794 1,260 1,530 819 471 72 41 43 61 144 594
14 696 788 1,320 1,580 830 453 69 42 43 61 164 666
15 729 939 1,370 1,400 903 383 66 41 43 62 159 611
16 863 1,010 1,520 1,280 1,010 335 64 40 45 63 153 517
17 997 992 1,400 1,410 1,050 301 63 40 46 63 156 499
18 838 1,020 1,300 1,340 1,010 275 62 39 48 63 158 476
19 803 1,030 1,350 1,340 946 263 60 39 49 63 168 470
20 802 919 1,330 1,590 946 241 59 40 50 67 207 439
21 825 842 1,290 1,530 1,010 221 58 41 51 67 225 602
22 775 878 1,280 1,410 837 204 56 41 51 69 250 530
23 689 900 1,380 1,390 780 187 55 42 50 74 254 484
24 719 892 1,430 1,550 770 174 54 42 49 74 268 482
25 720 799 1,470 1,450 714 166 52 42 49 75 306 460
26 699 725 1,410 1,380 715 159 51 42 49 74 404 433
27 776 691 1,340 1,380 721 155 50 41 49 75 348 446
28 714 756 1,360 1,330 733 148 49 41 49 77 505 490
29 847 1,020 1,450 1,260 772 139 48 40 50 85 449 671
30 931   1,490 1,190 740 130 47 40 52 89 425 885
31 973   1,470   654   47 41   98   919