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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 06402600 CHEYENNE RIVER NEAR BUFFALO GAP SD


Custer County, South Dakota
Hydrologic Unit Code 10120109
Latitude  43°30'07.12", Longitude 103°04'26.17" NAD27
Drainage area 9,792  square miles
Contributing drainage area 9,788  square miles
Gage datum 2,812.85 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 1968-10-01 -> 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 63 62 100 171 98 705 127 96 74 78 81 77
2 64 63 94 145 103 677 120 102 77 73 81 76
3 63 63 99 134 84 402 99 94 77 72 81 76
4 63 63 101 136 85 413 93 80 77 79 81 74
5 63 65 105 133 89 399 110 77 77 83 83 73
6 63 65 118 127 100 412 146 76 74 81 83 72
7 63 64 124 130 88 572 156 74 76 79 79 72
8 65 64 127 130 89 678 156 76 77 77 77 72
9 64 64 126 127 120 366 178 79 75 81 76 71
10 64 66 128 124 175 240 150 77 74 81 76 71
11 64 68 134 114 180 168 146 77 74 82 76 72
12 65 73 132 110 221 157 138 80 74 84 74 73
13 67 76 160 112 167 153 113 69 74 84 75 73
14 67 75 251 118 186 202 70 69 76 86 76 72
15 68 77 278 110 187 218 69 68 76 123 75 70
16 68 81 304 107 303 176 69 68 74 90 75 69
17 68 83 295 111 246 238 107 71 71 83 75 68
18 68 82 284 108 231 182 73 73 72 81 75 67
19 66 87 334 99 251 210 137 74 70 79 78 68
20 65 92 359 95 521 232 167 75 68 79 77 68
21 68 96 369 95 884 219 266 73 69 79 80 66
22 71 87 391 103 471 215 177 72 69 79 80 67
23 81 86 409 101 335 238 154 73 73 79 80 66
24 80 87 408 116 503 237 145 71 72 79 79 66
25 73 86 401 106 883 207 126 72 69 79 77 66
26 71 102 339 108 958 132 123 76 66 78 78 66
27 73 102 298 115 666 120 121 76 65 78 79 65
28 69 108 289 110 642 117 103 78 66 79 77 64
29 64 148 231 102 556 103 91 77 69 80 77 64
30 61   217 93 579 101 82 73 79 81 77 63
31 60   186   612   82 73   82   63