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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 06847500 Sappa Creek near Stamford, Nebr.


Harlan County, Nebraska
Hydrologic Unit Code 10250011
Latitude  40°07'06", Longitude  99°31'01" NAD83
Drainage area 3,840  square miles
Contributing drainage area 3,370.00  square miles
Gage datum 1,966.53 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 1945-10-01 -> 2024-09-30)

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 9.7 24 26 28 62 73 39 19 23 11 10
2 8.6 10 24 25 39 69 76 40 19 23 11 10
3 8.4 11 24 24 28 69 66 44 29 20 11 10
4 8.1 12 20 23 24 56 56 43 39 17 10 10
5 8.4 13 20 24 26 65 60 44 29 21 10 10
6 8.5 14 20 24 32 55 66 37 39 25 10 10
7 8.3 13 22 23 35 48 56 48 40 29 10 9.8
8 8.4 13 24 22 37 55 53 68 35 31 10 9.8
9 8.6 18 24 22 46 67 54 62 47 35 10 9.6
10 8.6 22 24 22 40 67 49 38 53 46 9.9 9.6
11 8.6 16 24 21 40 64 57 41 51 52 10 9.5
12 8.7 14 25 21 35 64 68 57 50 69 11 9.3
13 8.8 14 26 20 32 88 77 63 36 58 11 9.6
14 8.9 14 27 20 30 102 108 55 30 49 10 9.1
15 8.5 14 28 20 27 159 93 49 20 41 10 8.9
16 8.5 15 29 20 32 207 64 48 20 24 11 9
17 8.5 15 31 20 46 179 78 48 22 23 11 8.7
18 8.4 16 30 20 41 141 96 57 20 35 12 8.6
19 8.2 16 29 20 44 115 109 48 20 55 12 9
20 8.2 17 26 22 45 116 88 45 19 42 12 9.5
21 8.4 20 24 22 66 117 77 38 27 24 12 9.1
22 8.6 20 25 22 87 163 82 40 35 21 11 8.9
23 9 22 32 22 70 145 65 49 39 22 11 9
24 9.2 29 57 23 60 337 57 47 34 26 11 8.7
25 9.1 27 58 22 56 166 49 34 29 22 11 8.6
26 9 24 48 20 58 135 47 25 21 17 10 8.6
27 8.9 24 44 21 80 124 52 22 18 14 11 9.1
28 9.3 24 36 21 80 107 56 20 16 13 10 8.8
29 9.4 16 36 22 71 95 62 31 17 13 10 8.8
30 9.6   34 22 71 89 57 27 22 12 10 9
31 9.8   30   66   42 23   12   8.8