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USGS Daily Statistics for South Dakota

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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 06411500 RAPID CREEK BELOW PACTOLA DAM,SD


Pennington County, South Dakota
Hydrologic Unit Code 10120110
Latitude  44°04'36", Longitude 103°28'54" NAD27
Drainage area 321  square miles
Contributing drainage area 321  square miles
Gage datum 4,407.82 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 1963-10-01 -> 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 27 26 26 42 74 116 121 84 63 38 29 30
2 27 26 26 42 76 115 119 83 62 36 29 30
3 27 26 27 43 78 114 117 82 62 35 28 30
4 26 26 27 45 81 117 116 81 61 34 28 29
5 26 26 27 45 84 117 115 80 59 34 27 30
6 26 26 27 45 86 118 111 80 59 34 27 29
7 26 26 28 43 86 118 107 78 58 34 28 29
8 26 26 29 43 87 116 106 77 57 35 28 30
9 26 26 28 45 91 120 107 76 56 35 28 29
10 26 26 28 46 95 120 108 76 54 35 28 29
11 26 26 29 47 99 121 107 76 54 35 28 29
12 26 26 29 49 102 119 106 76 53 35 28 28
13 26 26 31 51 103 120 105 76 52 35 27 28
14 26 26 33 51 104 121 102 76 52 35 27 28
15 26 26 34 52 102 121 100 75 51 36 27 28
16 26 26 34 53 103 121 100 73 50 36 27 28
17 26 26 34 54 104 120 100 72 50 36 27 28
18 26 26 36 54 105 119 100 71 49 36 28 27
19 26 26 36 55 109 121 101 71 49 36 29 27
20 26 26 37 57 110 124 100 71 48 35 29 27
21 26 26 37 61 107 126 98 70 47 34 30 27
22 26 26 37 63 104 126 99 70 47 33 30 27
23 26 26 37 64 105 126 98 69 46 32 30 27
24 26 26 38 65 106 128 97 68 46 32 30 27
25 26 26 38 69 106 128 93 68 45 31 30 27
26 26 26 38 72 108 126 90 67 44 31 30 27
27 26 26 40 73 108 125 89 67 43 31 30 27
28 26 26 41 72 111 125 87 66 42 30 30 27
29 26 28 41 72 113 126 86 65 41 30 31 27
30 26   41 72 113 124 84 64 41 29 31 27
31 26   42   113   85 64   29   27