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USGS Daily Statistics for Idaho

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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 13135520 NF BIG WOOD RIVER NR SAWTOOTH NRA HQ NR KETCHUM ID


Blaine County, Idaho
Hydrologic Unit Code 17040219
Latitude  43°47'10", Longitude 114°25'09" NAD83
Drainage area 40  square miles
Gage datum 6,229.26 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 2010-10-01 -> 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 14 14 14 23 73 253 163 50 31 27 24 18
2 14 14 13 24 77 263 161 49 30 26 23 17
3 15 14 14 26 82 268 161 48 30 25 23 17
4 15 14 14 27 88 301 158 47 30 25 22 17
5 15 14 14 27 98 324 152 46 29 26 22 16
6 15 14 14 26 119 302 145 45 29 25 22 16
7 15 14 14 28 130 284 135 44 28 24 21 16
8 15 14 14 29 133 294 126 43 28 24 21 16
9 15 14 15 32 136 268 118 43 28 24 21 16
10 15 13 15 35 139 252 112 41 27 24 21 16
11 15 13 15 39 141 238 108 40 27 24 20 17
12 14 14 15 40 144 246 105 40 27 23 20 18
13 14 14 15 42 151 243 99 39 27 23 20 17
14 15 15 16 41 149 220 95 38 27 23 20 17
15 15 14 16 39 156 205 89 37 27 23 20 17
16 15 14 17 38 164 199 86 36 27 24 19 16
17 15 14 18 38 168 202 82 36 26 24 19 16
18 15 14 18 39 156 217 79 35 26 23 19 17
19 15 14 18 42 157 208 75 35 26 23 18 17
20 15 14 19 46 156 192 72 38 26 23 18 17
21 14 13 19 53 157 193 68 49 25 22 19 16
22 14 13 20 61 169 188 66 48 26 23 19 16
23 15 13 20 65 173 191 64 40 25 22 19 16
24 14 13 20 70 183 190 62 37 25 22 19 16
25 14 13 20 71 189 188 60 35 24 23 19 15
26 14 14 20 83 189 188 59 34 25 22 18 15
27 14 14 21 80 187 183 57 34 25 22 17 15
28 14 14 22 71 190 178 56 33 24 23 18 16
29 14 15 22 70 208 176 54 32 26 23 17 16
30 14   22 71 228 166 53 32 28 23 18 16
31 14   23   243   51 31   25   15