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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 06431500 SPEARFISH CREEK AT SPEARFISH,SD


Lawrence County, South Dakota
Hydrologic Unit Code 10120203
Latitude  44°28'57", Longitude 103°51'40" NAD27
Drainage area 165  square miles
Contributing drainage area 165  square miles
Gage datum 3,656.67 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 1946-10-01 -> 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 48 48 49 57 92 113 66 55 51 51 53 51
2 49 47 49 57 92 101 65 55 51 51 53 51
3 49 48 49 57 94 93 65 55 51 51 52 52
4 48 48 49 57 94 89 65 55 51 51 53 51
5 49 48 50 58 95 90 64 55 52 51 53 50
6 49 48 51 59 96 88 63 55 52 50 53 50
7 49 48 50 62 101 83 62 55 51 52 53 50
8 50 48 50 62 113 81 61 55 51 52 53 50
9 49 48 50 64 119 98 61 55 51 52 53 49
10 49 48 50 65 109 86 60 54 51 52 53 50
11 49 48 50 66 105 84 60 54 50 54 52 50
12 49 48 50 66 103 85 61 54 51 53 52 50
13 49 49 50 66 105 82 59 54 51 53 52 49
14 49 49 50 68 118 87 60 54 51 52 52 49
15 48 48 51 69 134 98 59 53 51 53 52 49
16 48 48 52 71 119 85 58 53 51 53 52 49
17 48 48 52 72 114 84 58 53 50 54 52 49
18 49 49 52 73 110 84 58 53 51 54 52 48
19 48 48 53 74 106 81 58 53 51 54 53 49
20 48 48 53 75 112 79 58 53 51 54 52 48
21 49 49 53 78 116 79 58 52 51 53 52 49
22 48 49 53 80 125 83 57 52 52 53 51 49
23 48 49 54 83 119 88 57 52 51 53 51 48
24 49 49 53 86 108 80 57 52 51 53 52 48
25 48 49 54 86 105 78 56 52 51 53 52 49
26 48 49 55 87 104 75 56 51 51 54 51 49
27 48 49 55 88 101 74 56 51 51 54 51 49
28 48 49 55 90 98 72 56 51 51 54 51 49
29 48 51 55 94 95 70 56 51 51 53 51 48
30 47   56 93 95 68 56 51 51 53 51 48
31 48   57   100   55 51   53   48