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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 14312000 SOUTH UMPQUA RIVER NEAR BROCKWAY, OR


Douglas County, Oregon
Hydrologic Unit Code 17100302
Latitude  43°08'00", Longitude 123°23'50" NAD27
Drainage area 1,670  square miles
Gage datum 462.52 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 1906-10-01 -> 2022-09-30)

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 5,770 5,780 4,910 4,800 2,420 1,370 435 153 132 212 1,140 4,440
2 5,280 6,000 5,210 4,400 2,450 1,360 419 150 127 193 933 4,790
3 5,130 6,310 5,040 4,050 2,310 1,300 400 148 123 194 894 4,890
4 6,420 6,310 4,660 3,720 2,240 1,300 379 144 122 205 862 4,690
5 5,810 6,240 4,670 3,600 2,190 1,250 357 144 121 204 919 5,010
6 6,220 6,000 4,880 3,620 2,490 1,190 340 142 122 212 1,080 5,290
7 6,240 6,120 4,770 3,960 2,500 1,220 328 140 124 213 942 5,410
8 6,210 6,080 4,520 4,070 2,320 1,250 314 139 124 219 1,270 5,390
9 6,450 6,170 4,750 3,960 2,260 1,150 302 140 126 221 1,400 5,350
10 6,660 5,730 5,010 3,740 2,240 1,060 292 137 132 288 1,390 5,100
11 7,070 5,250 4,810 3,660 2,140 998 282 134 144 320 1,350 5,330
12 6,670 4,970 4,700 3,490 1,980 934 271 132 138 348 1,800 5,110
13 7,060 5,890 4,760 3,390 1,860 883 260 129 131 377 1,720 5,590
14 6,830 5,970 4,880 3,310 1,760 840 249 125 129 305 1,750 5,720
15 7,530 5,880 4,810 3,180 1,720 799 239 124 131 363 1,990 5,910
16 8,180 6,290 5,040 3,060 1,760 778 231 127 136 410 2,340 5,080
17 8,340 6,310 5,080 3,040 1,800 742 224 130 147 468 2,190 4,690
18 8,690 7,170 5,060 3,120 1,850 708 220 129 154 373 2,390 4,440
19 7,900 6,780 4,890 3,200 1,910 678 220 129 165 375 3,110 4,420
20 8,040 6,140 4,670 3,090 1,850 667 223 131 170 381 3,000 4,850
21 7,730 6,410 4,470 3,000 1,840 643 210 130 167 414 2,970 6,350
22 7,300 6,290 4,530 2,880 1,750 610 199 129 161 403 3,150 6,780
23 6,990 6,080 4,780 2,750 1,640 574 203 127 152 476 4,930 6,160
24 6,470 5,650 4,830 2,790 1,560 550 197 129 148 566 4,550 5,510
25 5,830 6,020 4,960 2,770 1,530 531 185 134 157 537 3,850 5,310
26 6,220 5,570 4,620 2,600 1,650 519 182 134 210 585 3,720 6,260
27 6,570 5,120 4,300 2,490 1,630 502 183 132 197 582 3,810 6,050
28 6,550 5,240 4,160 2,470 1,520 486 195 131 192 779 3,840 6,860
29 6,430 4,990 4,330 2,380 1,480 482 183 128 196 1,560 4,090 6,990
30 5,760   5,030 2,320 1,450 472 167 129 223 1,260 4,190 6,780
31 5,470   5,100   1,360   159 133   932   6,970