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USGS Surface-Water Daily Statistics for Colorado

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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 06700000 SOUTH PLATTE RIVER ABOVE CHEESMAN LAKE, CO.


Douglas County, Colorado
Hydrologic Unit Code 10190002
Latitude  39°09'46", Longitude 105°18'35" NAD27
Drainage area 1,627  square miles
Contributing drainage area 1,615.1  square miles
Gage datum 6,845.86 feet above NGVD29
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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 1924-10-01 -> 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 14 13 24 107 163 258 322 327 181 101 60 34
2 13 13 26 109 153 273 302 314 165 100 57 32
3 13 13 26 110 150 272 295 311 170 97 60 32
4 15 14 29 113 153 269 299 314 159 87 60 33
5 13 13 28 116 150 271 301 302 159 89 72 36
6 12 14 32 121 148 272 297 320 158 90 66 36
7 14 13 31 127 152 278 291 315 156 92 66 34
8 15 14 32 130 154 277 288 308 158 101 65 28
9 12 13 32 131 160 280 290 292 158 89 66 27
10 13 14 39 130 159 283 282 286 154 88 68 25
11 12 14 36 136 160 297 275 281 148 96 63 27
12 14 14 37 144 169 320 269 278 150 99 62 29
13 14 15 39 153 168 336 285 275 151 95 63 25
14 12 15 39 162 169 340 283 271 140 93 60 22
15 13 14 39 165 176 334 271 266 214 94 58 23
16 12 15 42 154 182 330 250 253 133 99 57 22
17 13 15 42 155 176 332 245 245 126 92 58 23
18 12 15 46 155 181 329 250 238 124 92 54 18
19 12 18 48 158 195 322 261 235 120 91 58 16
20 12 19 47 158 197 322 265 222 117 86 57 18
21 12 19 49 162 198 330 270 214 114 83 58 17
22 12 19 53 171 207 329 281 215 114 77 40 16
23 12 20 56 182 214 331 292 207 116 79 42 18
24 12 20 65 173 227 338 279 194 111 76 40 15
25 12 19 64 164 235 343 266 179 109 74 42 16
26 12 19 72 161 242 335 252 183 110 71 42 14
27 12 20 70 161 252 329 246 183 109 72 43 14
28 12 21 74 160 254 318 261 185 107 66 43 13
29 12 9.9 73 164 251 311 297 185 105 65 40 15
30 12   72 170 247 308 321 182 111 70 38 13
31 12   81   244   325 177   71   14