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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 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 57 145 54 16 11 11 10 9.5
2 8.7 8.2 8 13 59 139 50 16 11 10 11 9.5
3 8.6 8.3 8.1 14 62 137 49 15 11 10 11 9.3
4 8.5 8.3 8.1 15 65 133 45 15 12 11 10 9.1
5 8.5 8.3 8 15 69 131 42 15 11 11 11 9
6 8.5 8.2 8 15 77 131 40 15 11 11 11 9
7 8.5 8.3 8 16 86 133 38 15 11 11 11 9.1
8 8.5 8.2 8.1 17 84 135 36 15 11 11 11 9.2
9 8.4 8.3 8.2 18 83 126 34 14 11 10 10 9.1
10 8.4 8.3 8.4 18 86 119 33 14 11 10 10 9.2
11 8.3 8.2 8.4 19 92 114 31 14 11 11 10 9.3
12 8.2 8.1 8.6 21 99 108 29 14 11 11 10 9.2
13 8.2 8.1 8.8 22 107 108 28 13 11 11 10 9.2
14 8.3 8.2 8.8 23 117 101 27 13 11 11 10 9.2
15 8.4 8.2 8.9 23 133 98 26 13 11 11 9.9 9
16 8.3 8.1 9.2 23 143 100 25 13 11 11 10 8.9
17 8.4 8.1 9.3 23 151 95 24 13 11 11 10 9
18 8.3 8.1 9.6 24 158 93 23 12 11 11 10 8.9
19 8.2 8.1 10 26 166 90 22 12 11 11 10 8.8
20 8.2 8 10 29 160 85 22 12 11 11 9.6 8.6
21 8.2 7.9 11 34 148 84 21 12 11 11 9.3 8.6
22 8.1 7.9 11 39 142 86 20 12 11 11 9.6 8.6
23 8.1 8 11 40 140 81 20 12 11 11 9.8 8.5
24 8.2 8.1 11 41 140 75 19 12 10 11 10 8.5
25 8.3 8 11 41 134 70 18 12 10 11 9.9 8.6
26 8.4 8 11 48 135 67 19 12 10 11 9.7 8.5
27 8.3 7.9 11 50 134 64 18 11 10 10 9.6 8.6
28 8.2 7.9 11 52 136 63 18 11 10 10 9.5 8.6
29 8.2 8.1 11 53 140 62 17 11 10 11 9.4 8.6
30 8.2   12 55 141 58 17 11 11 11 9.3 8.6
31 8.2   13   145   17 11   11   8.7