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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 -> 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 5,770 5,690 4,850 4,770 2,450 1,370 435 152 131 212 1,120 4,360
2 5,240 5,890 5,150 4,390 2,470 1,350 418 150 127 193 919 4,710
3 5,080 6,170 4,990 4,040 2,330 1,300 399 147 123 194 882 4,900
4 6,330 6,160 4,630 3,720 2,260 1,290 379 143 122 204 851 4,750
5 5,730 6,090 4,630 3,620 2,200 1,250 357 144 122 203 915 4,980
6 6,150 5,870 4,830 3,630 2,510 1,200 341 141 123 212 1,100 5,220
7 6,180 5,990 4,720 3,980 2,520 1,230 329 139 124 212 972 5,350
8 6,160 5,950 4,470 4,090 2,350 1,250 315 139 124 218 1,280 5,340
9 6,420 6,040 4,690 3,970 2,300 1,150 302 139 126 220 1,390 5,280
10 6,720 5,610 4,960 3,750 2,270 1,050 293 137 131 285 1,380 5,040
11 7,070 5,140 4,790 3,730 2,170 997 282 134 143 316 1,330 5,320
12 6,650 4,860 4,670 3,560 2,000 942 271 132 137 345 1,780 5,090
13 7,160 5,750 4,760 3,440 1,880 911 260 128 130 375 1,700 5,530
14 7,180 5,830 5,030 3,360 1,790 864 249 125 128 304 1,730 5,640
15 7,660 5,760 4,860 3,220 1,760 817 239 124 130 360 1,960 5,820
16 8,210 6,200 5,050 3,090 1,790 790 231 127 136 405 2,290 5,000
17 8,360 6,220 5,060 3,060 1,820 751 224 130 146 462 2,160 4,620
18 8,780 7,030 5,030 3,140 1,860 718 220 128 153 369 2,350 4,360
19 7,940 6,650 4,860 3,220 1,910 688 220 128 164 371 3,050 4,350
20 8,040 6,020 4,660 3,130 1,850 674 222 130 169 377 2,960 4,760
21 7,710 6,280 4,460 3,080 1,840 650 210 130 166 408 2,920 6,240
22 7,290 6,160 4,500 2,950 1,750 615 199 129 160 398 3,100 6,670
23 6,990 5,950 4,740 2,800 1,640 578 203 127 152 470 4,830 6,060
24 6,460 5,530 4,790 2,840 1,560 553 197 129 148 560 4,460 5,430
25 5,820 5,880 4,910 2,810 1,530 534 185 134 157 531 3,780 5,230
26 6,190 5,450 4,590 2,630 1,640 521 182 134 209 579 3,650 6,160
27 6,580 5,020 4,270 2,520 1,620 503 182 132 197 578 3,730 6,040
28 6,530 5,140 4,150 2,500 1,510 486 194 131 192 770 3,770 6,900
29 6,370 4,990 4,350 2,400 1,480 482 183 127 195 1,530 4,010 6,940
30 5,690   5,000 2,350 1,460 472 167 128 222 1,240 4,110 6,790
31 5,390   5,060   1,370   159 133   916   7,020