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USGS Daily Statistics for Kansas

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Historic (pre-2007) gage-height data may contain erroneous values, such as pressure sensors encased in ice, even if they are flagged as approved. These data are made available to the public, but data users are cautioned to carefully screen the data and contact the USGS Kansas Water Science Center if they have questions or concerns about specific values.
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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 06872500 NF SOLOMON R AT PORTIS, KS


Osborne County, Kansas
Hydrologic Unit Code 10260012
Latitude  39°33'10.81", Longitude  98°41'32.36" NAD83
Drainage area 2,315  square miles
Contributing drainage area 2,315  square miles
Gage datum 1,491.56 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 1945-10-01 -> 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 44 54 89 86 97 227 154 78 121 55 51 43
2 44 52 77 90 90 329 160 80 124 58 52 43
3 44 51 82 85 88 247 159 78 78 42 49 44
4 44 52 96 84 96 149 115 89 103 80 46 44
5 44 53 130 82 125 159 137 140 149 62 46 43
6 44 53 126 77 117 270 114 116 104 106 53 42
7 43 56 115 78 136 432 142 96 107 84 50 42
8 43 61 122 101 117 380 134 141 124 81 46 44
9 43 66 121 98 132 330 184 104 75 94 47 43
10 44 69 100 89 111 234 195 86 59 115 46 44
11 44 75 99 83 95 167 284 95 50 158 48 43
12 45 76 90 80 136 176 524 244 100 125 49 43
13 46 64 85 82 109 232 430 347 71 64 48 44
14 47 63 101 106 99 364 280 242 112 53 47 45
15 47 64 113 113 122 238 225 204 70 52 46 44
16 48 63 85 85 138 306 147 240 55 48 79 43
17 55 63 85 75 170 441 158 115 52 65 106 43
18 54 63 93 76 136 359 213 97 106 62 57 43
19 53 72 91 75 146 265 284 88 66 55 49 43
20 51 79 83 70 213 293 211 113 76 54 46 43
21 52 81 75 77 279 311 278 88 71 52 46 44
22 53 90 111 83 358 379 274 79 102 83 45 43
23 52 118 135 83 258 417 224 75 88 140 45 43
24 52 159 131 80 270 377 131 80 60 140 44 42
25 52 117 104 79 413 262 144 130 49 93 43 42
26 54 92 103 70 251 222 156 151 57 63 42 43
27 77 113 120 69 187 157 221 174 73 51 42 45
28 68 113 95 66 274 149 283 116 92 48 42 52
29 63 67 85 110 294 124 226 102 93 48 42 49
30 58   76 113 270 152 112 119 57 48 42 47
31 56   79   228   90 105   50   45