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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 13306385 NAPIAS CREEK BELOW ARNETT CREEK NEAR LEESBURG, ID


Lemhi County, Idaho
Hydrologic Unit Code 17060203
Latitude  45°12'20", Longitude 114°08'02" NAD83
Drainage area 41.1  square miles
Gage datum 6,319.95 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 1990-10-01 -> 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 8.7 8.2 7.9 13 59 142 53 16 11 11 10 9.5
2 8.7 8.3 8 13 60 137 49 16 11 10 11 9.5
3 8.6 8.3 8.1 14 64 135 48 15 11 10 11 9.3
4 8.6 8.3 8 15 67 130 45 15 12 11 10 9.1
5 8.6 8.3 8 15 71 129 42 15 11 11 11 9
6 8.5 8.2 8 15 78 129 39 15 11 11 11 9
7 8.5 8.3 8 17 87 130 37 15 11 11 11 9.2
8 8.6 8.3 8.1 18 85 132 35 15 11 11 11 9.2
9 8.5 8.3 8.2 18 84 124 33 14 11 10 10 9.1
10 8.4 8.3 8.4 19 87 117 32 14 11 10 10 9.2
11 8.4 8.3 8.4 20 94 112 31 14 11 11 10 9.3
12 8.3 8.1 8.6 22 100 106 29 14 11 11 10 9.2
13 8.3 8.1 8.7 23 108 106 28 13 11 11 10 9.2
14 8.4 8.2 8.8 24 116 99 27 13 11 11 10 9.2
15 8.4 8.3 8.9 24 131 96 26 13 11 11 9.9 9
16 8.3 8.1 9.1 24 141 98 25 13 11 11 10 8.9
17 8.4 8.1 9.3 25 149 93 24 13 11 11 10 9
18 8.3 8.1 9.6 25 156 91 23 12 11 11 10 8.9
19 8.3 8.1 10 27 164 89 22 12 11 11 9.9 8.9
20 8.3 8.1 10 30 157 84 21 12 11 11 9.6 8.7
21 8.3 7.9 10 34 146 82 21 12 11 11 9.4 8.6
22 8.1 7.9 11 39 140 84 20 12 11 11 9.7 8.7
23 8.1 8 11 41 138 79 20 12 11 11 9.9 8.5
24 8.2 8 11 42 138 74 19 12 10 11 10 8.5
25 8.3 7.9 11 42 133 69 18 12 10 11 9.9 8.7
26 8.4 8 11 49 133 66 19 12 10 11 9.7 8.6
27 8.4 7.9 12 52 133 63 18 11 10 10 9.6 8.6
28 8.2 7.9 12 53 135 62 17 11 10 10 9.4 8.6
29 8.2 8.1 12 55 138 61 17 11 10 11 9.4 8.6
30 8.2   12 57 139 57 17 11 11 11 9.3 8.6
31 8.2   13   143   16 11   11   8.7