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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 06730200 BOULDER CREEK AT NORTH 75TH ST. NEAR BOULDER, CO


Boulder County, Colorado
Hydrologic Unit Code 10190005
Latitude  40°03'06", Longitude 105°10'42" NAD27
Drainage area 307  square miles
Gage datum 5,106 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 1986-10-01 -> 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 32 29 32 35 119 291 228 130 82 47 38 33
2 33 28 32 36 116 282 218 120 85 49 35 34
3 35 28 32 40 124 277 209 120 87 44 36 33
4 34 27 34 41 119 285 198 123 85 47 35 33
5 32 28 32 40 120 290 192 139 87 45 36 32
6 32 27 34 38 126 292 192 135 83 46 34 31
7 32 28 33 37 135 310 196 121 80 43 35 32
8 33 28 35 37 143 315 203 110 79 44 35 32
9 33 28 35 37 162 342 218 105 75 47 35 33
10 33 29 34 40 167 323 209 106 71 48 36 34
11 32 29 34 40 179 316 204 109 73 46 35 33
12 31 29 34 41 168 351 199 103 194 45 33 33
13 32 31 36 46 156 334 197 103 187 47 33 34
14 32 31 35 46 157 314 186 102 103 47 33 33
15 31 30 33 52 164 311 170 102 107 47 33 33
16 29 30 33 60 162 323 156 105 95 46 32 33
17 31 29 33 71 186 328 152 102 82 46 33 33
18 30 29 34 68 206 364 147 101 82 46 33 32
19 31 30 35 66 222 359 136 101 73 45 34 33
20 30 31 35 65 221 356 139 92 70 45 34 34
21 31 31 35 69 220 337 135 89 66 46 35 33
22 30 31 35 85 227 338 129 89 63 46 33 33
23 29 31 35 94 234 311 131 89 64 43 32 31
24 30 32 40 103 245 280 124 93 60 42 32 32
25 30 31 37 105 244 267 124 87 54 41 33 33
26 29 32 37 108 241 259 125 84 52 43 33 33
27 29 31 36 100 236 260 122 85 52 41 33 33
28 29 31 37 101 232 248 122 85 52 41 33 33
29 30 32 36 107 248 242 124 85 49 40 32 34
30 30   37 121 288 235 142 86 49 39 33 32
31 30   37   284   140 81   40   32