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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 06479438 BIG SIOUX R NEAR WATERTOWN,SD


Codington County, South Dakota
Hydrologic Unit Code 10170202
Latitude  45°00'22", Longitude  97°09'53" NAD27
Drainage area 525  square miles
Contributing drainage area 230  square miles
Gage datum 1,726.66 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 1972-10-01 -> 2021-09-30)

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 5.3 3.6 23 198 94 58 58 19 15 14 30 11
2 5.1 3.6 18 227 88 65 57 25 14 15 29 11
3 4.9 3.6 17 217 83 63 45 80 15 16 27 10
4 4.6 3.6 21 254 78 51 44 51 17 17 25 9.9
5 4.5 3.6 20 270 78 45 64 43 15 18 22 10
6 4.3 3.6 19 193 89 42 83 42 15 20 20 9.6
7 4.2 3.5 20 249 88 40 70 34 19 19 19 9.3
8 4.2 3.4 21 269 89 40 63 28 15 17 18 9
9 4.2 3.3 20 212 105 42 67 25 16 19 17 8.8
10 4.3 3.3 21 167 115 49 62 23 16 20 16 8.3
11 4.3 3.4 36 144 104 60 52 25 17 17 15 8.1
12 4.3 3.4 66 154 90 76 48 24 21 17 15 8
13 4.2 3.6 102 155 88 73 39 21 34 17 14 7.5
14 4.2 3.7 117 147 87 71 34 20 25 17 14 7.2
15 4.1 3.8 133 158 83 75 36 21 19 18 14 7
16 4 4 135 168 80 92 35 20 19 20 14 6.9
17 3.9 4.8 151 162 80 71 42 18 20 32 15 6.8
18 3.8 6 143 157 69 74 66 17 18 36 15 6.6
19 3.6 9 143 195 67 69 50 16 17 26 14 6.1
20 3.6 9.3 151 177 64 90 38 15 16 21 14 6
21 3.6 12 142 155 58 107 34 14 15 19 14 5.8
22 3.7 10 149 146 54 74 31 14 14 26 15 5.8
23 3.8 14 160 133 56 85 43 13 14 32 15 5.6
24 3.8 20 176 121 59 78 49 12 14 27 14 5.5
25 3.7 23 181 110 57 63 49 12 19 25 13 5.4
26 3.7 31 171 102 55 51 62 12 18 23 13 5.3
27 3.8 34 185 106 53 43 42 15 17 23 13 5.3
28 3.7 29 250 110 57 39 30 16 14 34 13 5.2
29 3.6 30 259 106 63 35 25 20 13 32 12 5.2
30 3.6   300 97 56 36 22 24 12 30 12 5.3
31 3.6   253   55   21 18   33   5.3