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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 -> 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 8.6 9.7 24 26 28 61 71 39 19 23 11 10
2 8.5 10 24 24 39 68 75 39 19 23 11 10
3 8.3 11 24 24 28 68 64 44 29 19 11 10
4 8 12 20 23 25 55 55 42 39 17 10 10
5 8.3 13 20 24 26 65 58 44 28 21 10 9.9
6 8.4 14 20 24 32 55 64 36 38 25 10 10
7 8.2 13 22 22 34 47 55 48 40 28 10 9.7
8 8.3 13 23 22 37 54 53 68 34 30 9.9 9.7
9 8.6 18 24 21 46 66 54 62 47 35 9.9 9.6
10 8.6 22 24 22 39 66 48 38 52 45 9.8 9.5
11 8.6 16 23 21 39 62 57 41 51 52 10 9.4
12 8.7 14 24 21 35 63 67 56 49 68 10 9.2
13 8.7 14 25 20 31 86 76 62 36 57 10 9.5
14 8.8 14 27 20 30 99 106 54 29 48 10 9.1
15 8.4 14 28 20 27 155 91 49 20 40 10 8.9
16 8.4 14 28 20 32 202 63 47 19 24 11 8.9
17 8.4 15 30 20 45 175 76 47 22 22 11 8.6
18 8.3 16 29 20 41 137 94 56 20 34 12 8.6
19 8.1 16 29 20 44 112 106 47 20 54 12 9
20 8.1 16 26 22 44 113 86 45 18 42 12 9.4
21 8.3 20 24 22 65 114 76 38 26 24 12 9.1
22 8.5 20 24 22 86 159 81 40 35 21 11 8.8
23 8.9 22 32 22 69 141 65 48 39 22 11 9
24 9.1 29 56 22 59 329 56 47 34 25 11 8.7
25 9 27 56 21 55 162 48 34 29 21 10 8.5
26 8.9 24 48 20 57 131 46 25 21 16 10 8.6
27 8.9 24 43 21 79 121 51 22 17 14 10 9.1
28 9.3 24 35 21 79 105 55 20 16 13 10 8.8
29 9.4 16 35 23 69 93 61 30 17 13 10 8.7
30 9.6   33 22 70 87 57 27 22 12 10 9
31 9.7   30   64   42 23   11   8.7