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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 13183000 OWYHEE RIVER BELOW OWYHEE DAM, OR


Malheur County, Oregon
Hydrologic Unit Code 17050110
Latitude  43°39'16", Longitude 117°15'21" NAD83
Drainage area 11,160  square miles
Contributing drainage area 11,160  square miles
Gage datum 2,346.22 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 1929-10-01 -> 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 60 242 478 1,170 1,040 589 197 167 157 119 22 20
2 60 255 522 1,250 958 554 195 168 155 117 21 20
3 60 253 571 1,300 917 492 194 168 155 116 20 23
4 60 245 648 1,400 904 473 194 168 153 115 18 25
5 60 242 645 1,530 879 478 193 168 151 112 17 25
6 78 246 631 1,600 863 492 193 166 151 111 17 25
7 109 250 656 1,680 837 483 193 165 150 110 17 24
8 118 280 688 1,720 828 442 186 163 148 110 17 22
9 108 284 734 1,750 836 420 181 163 147 108 17 20
10 103 268 762 1,750 860 417 180 163 146 104 17 18
11 107 244 777 1,700 850 405 181 163 146 101 17 18
12 99 223 796 1,690 808 374 181 163 144 97 17 18
13 94 215 864 1,670 817 349 181 164 144 94 17 19
14 89 212 900 1,690 865 328 181 164 143 92 17 25
15 84 201 903 1,760 896 313 180 165 142 83 17 27
16 77 213 978 1,680 914 295 179 166 142 71 17 27
17 75 244 984 1,640 888 284 178 165 141 68 18 29
18 73 255 970 1,620 844 269 177 165 138 67 17 29
19 103 315 958 1,630 832 253 177 164 137 66 17 28
20 169 408 972 1,650 777 245 176 165 136 57 17 27
21 190 456 959 1,620 791 249 175 164 133 50 17 28
22 193 468 942 1,560 747 245 175 165 133 46 17 29
23 171 491 913 1,520 685 237 175 164 132 42 17 31
24 182 552 954 1,450 647 226 174 163 131 40 19 30
25 188 584 1,030 1,410 592 223 173 162 130 37 20 31
26 174 547 1,080 1,310 562 217 173 161 131 33 19 34
27 165 488 1,100 1,260 569 215 172 161 133 32 20 44
28 169 451 1,110 1,250 562 212 172 160 132 31 20 51
29 189 305 1,120 1,200 595 208 171 159 129 31 20 54
30 210   1,130 1,110 596 200 171 159 125 31 20 53
31 228   1,130   599   168 158   28   57