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USGS Daily Statistics for the Nation

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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 13215480 SOUTH FORK MALHEUR RIVER NR RIVERSIDE, OR


Malheur County, Oregon
Hydrologic Unit Code 17050116
Latitude  43°31'08.70", Longitude 118°10'30.21" NAD83
Drainage area 697  square miles
Gage datum 3,309.72 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 2023-10-01 -> 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
1 162 78 498 211 25 9 1.4 7.5 5.8 7.6 16 21
2 168 181 512 181 25 8.4 0.93 5.2 7.4 6.9 17 21
3 890 133 531 167 23 8.3 0.4 6.6 7.2 6.3 16 20
4 812 120 443 166 23 8.1 0.45 6.8 7.5 6.8 16 20
5 447 145 327 177 30 10 0.47 6.1 6.1 7 16 19
6 494 123 288 155 31 11 0.24 5.6 5.9 7.5 15 19
7 380 101 236 139 35 11 0.4 5.3 7.7 8.6 15 19
8 235 82 208 140 37 12 1.5 4.1 7.9 10 15 19
9 178 77 199 139 35 12 1.4 3.2 7 12 15 19
10 153 66 208 116 31 11 0.66 3.9 7.3 12 15 19
11 133 60 221 98 25 10 0.3 4.6 7.7 10 16 18
12 117 50 331 93 21 9.8 0.11 4.1 7.3 10 16 19
13 108 43 393 85 19 11 0.04 3.7 6.4 11 17 20
14 94 46 279 76 15 10 0.01 3.4 8.2 12 17 23
15 88 54 220 69 15 9.6 0.73 4 11 13 17 28
16 82 74 199 65 14 8.3 1.7 4.3 11 15 17 28
17 75 79 231 60 15 7.2 4.7 4 14 15 17 28
18 62 82 235 56 17 8 7 4.7 14 13 17 32
19 55 100 211 52 17 9.7 5.4 6.1 14 14 17 35
20 52 154 213 46 15 8.5 4.8 6.3 13 14 17 34
21 49 148 221 42 12 11 6.8 6.3 12 14 19 32
22 50 126 251 38 13 9.2 8.1 6.2 11 15 23 30
23 46 581 312 35 14 6.2 8.8 6.2 9.3 14 30 31
24 49 3,100 393 33 13 3.8 8.3 6.2 9.9 15 40 41
25 44 2,330 393 31 13 2.2 11 6.2 11 19 36 59
26 38 789 380 39 13 3.5 8.4 6 11 18 30 81
27 35 532 365 42 12 1.5 11 5.9 11 16 27 192
28 35 494 339 41 10 1.1 8.7 6.5 11 15 24 789
29 35 82 305 36 9.3 1.4 7.1 7.1 9.8 17 23 849
30 35   258 27 8.6 1.1 8.7 6.8 9.9 16 21 700
31 44   238   9.6   8.8 6.4   16   250