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USGS Surface-Water 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 RIVER NEAR WATERTOWN,SD


Codington County, South Dakota
Hydrologic Unit Code 10170201
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 -> 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 5.4 3.7 23 187 99 71 56 19 14 14 32 12
2 5.3 3.6 18 215 96 72 55 24 13 15 30 12
3 5.1 3.6 17 206 89 66 44 76 15 16 28 11
4 4.9 3.6 20 240 82 53 43 48 17 17 26 11
5 4.7 3.6 19 255 80 47 62 41 15 18 23 11
6 4.5 3.6 19 183 90 43 82 40 15 20 21 10
7 4.4 3.6 20 237 89 41 71 32 18 19 20 9.6
8 4.4 3.5 21 259 90 41 64 27 15 17 19 9.6
9 4.4 3.4 19 210 106 43 67 25 15 18 18 9.4
10 4.5 3.4 21 169 118 49 62 23 16 19 17 8.8
11 4.6 3.4 35 159 107 59 51 25 16 18 16 8.5
12 4.5 3.5 63 221 95 74 47 24 20 18 16 8.3
13 4.4 3.6 97 261 100 71 38 21 32 18 15 7.9
14 4.4 3.7 111 207 94 70 33 20 24 17 15 7.7
15 4.3 3.8 126 180 87 73 35 22 18 18 15 7.5
16 4.2 4.1 129 178 82 89 34 21 18 21 15 7.4
17 4.1 4.7 147 167 82 69 41 19 19 31 15 7.2
18 3.9 5.9 142 160 70 72 64 17 18 35 15 7
19 3.7 8.7 140 194 68 67 48 16 16 26 15 6.5
20 3.7 9 147 177 65 87 37 15 15 21 15 6.3
21 3.7 12 139 157 60 103 33 15 14 20 15 6.2
22 3.8 9.9 144 149 55 71 30 14 13 26 15 6.2
23 3.9 13 154 136 57 82 42 13 13 32 15 6
24 3.9 19 169 124 59 75 47 13 14 27 14 5.9
25 3.8 22 173 113 57 61 47 12 19 25 14 5.7
26 3.8 30 163 104 56 50 59 12 18 23 14 5.6
27 3.8 32 176 107 54 42 40 15 16 23 13 5.5
28 3.8 27 237 110 57 38 29 15 14 34 13 5.5
29 3.6 30 245 106 63 34 24 20 13 35 13 5.5
30 3.6   284 99 58 36 22 23 12 34 12 5.5
31 3.7   239   81   20 17   35   5.5