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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 13135500 BIG WOOD RIVER NR KETCHUM ID


Blaine County, Idaho
Hydrologic Unit Code 17040219
Latitude  43°47'10.55", Longitude 114°25'30.2" NAD83
Drainage area 137  square miles
Gage datum 6,225.02 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 1947-10-01 -> 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 49 49 48 73 280 618 355 128 82 73 69 56
2 50 49 47 76 288 611 343 126 81 72 67 57
3 50 50 47 79 305 620 332 124 80 72 67 55
4 50 50 47 85 322 630 322 122 79 72 67 53
5 51 50 48 89 350 657 311 119 79 73 66 53
6 51 49 48 93 412 659 300 116 78 71 66 53
7 52 50 49 99 446 652 288 113 77 70 65 53
8 52 49 49 103 437 646 276 112 77 70 63 52
9 50 48 49 110 448 630 266 110 78 70 63 52
10 51 49 49 117 459 604 261 108 77 70 63 53
11 51 49 48 124 473 583 249 105 76 72 63 53
12 50 49 49 128 487 578 238 104 75 72 62 54
13 51 49 50 134 488 573 227 102 75 71 61 50
14 50 49 49 140 473 553 219 100 77 70 62 51
15 50 49 51 144 475 531 210 98 79 70 61 52
16 50 48 53 147 499 520 203 96 76 71 60 53
17 50 48 54 156 518 514 195 95 75 69 60 51
18 50 48 54 171 518 513 188 94 75 68 60 52
19 50 47 55 182 535 501 181 94 76 68 60 54
20 49 48 56 195 542 497 175 95 76 68 62 53
21 49 47 58 212 553 508 169 98 75 68 60 52
22 49 48 59 233 560 495 163 98 75 68 58 50
23 51 47 59 247 572 480 157 94 74 68 60 49
24 50 47 59 252 582 469 153 91 72 67 61 51
25 49 47 60 251 588 444 148 89 73 67 59 52
26 49 47 61 267 588 435 144 88 73 67 57 51
27 49 47 61 272 583 427 142 87 72 66 57 51
28 49 47 62 270 584 406 140 86 71 67 56 52
29 49 49 63 268 585 387 138 84 73 68 54 51
30 49   65 271 595 368 134 84 74 68 55 52
31 48   69   601   130 83   71   51