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USGS Daily Statistics for the Nation

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 05594450 SILVER CREEK NEAR TROY, IL


Madison County, Illinois
Hydrologic Unit Code 07140204
Latitude  38°42'59", Longitude  89°49'45" NAD83
Drainage area 154  square miles
Gage datum 438.56 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 1966-10-01 -> 2023-09-30)

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
1 174 297 133 295 366 171 63 70 21 12 75 135
2 144 327 108 210 306 141 130 36 34 11 64 136
3 129 265 119 196 222 142 124 26 39 15 57 140
4 156 229 208 257 202 126 127 36 38 28 46 216
5 257 186 289 260 231 112 123 54 29 36 33 180
6 255 156 258 222 185 90 100 66 28 37 31 141
7 135 190 270 179 169 85 124 51 16 28 37 137
8 85 220 269 151 245 84 107 38 21 27 31 135
9 62 140 200 140 244 93 80 46 33 41 32 122
10 77 118 172 161 201 103 85 44 35 52 57 110
11 159 120 168 254 171 93 182 28 50 48 82 130
12 185 160 197 424 172 118 166 40 47 50 79 221
13 152 142 189 285 228 129 107 73 40 42 62 161
14 161 138 198 280 251 116 59 88 55 45 69 152
15 146 133 212 308 173 116 35 84 95 55 99 188
16 124 104 192 299 198 143 34 74 82 45 90 180
17 110 109 146 211 317 141 36 62 65 31 78 135
18 133 139 186 206 280 138 37 61 49 27 110 120
19 185 140 260 264 233 144 57 53 32 20 152 84
20 208 143 336 256 161 158 83 44 18 25 160 67
21 180 184 322 260 124 162 69 40 14 54 114 82
22 171 296 246 235 112 141 59 27 14 50 75 151
23 159 398 183 213 110 152 62 23 34 47 60 136
24 160 356 162 254 92 191 44 43 49 51 68 151
25 174 261 230 295 91 180 27 54 47 60 117 244
26 146 221 248 225 142 174 34 43 40 54 152 187
27 125 211 233 187 249 142 58 47 38 44 170 303
28 145 184 260 189 266 118 99 39 29 32 189 312
29 168 44 296 343 239 96 106 39 25 34 183 245
30 207   322 454 165 60 138 31 13 49 135 192
31 232   333   132   105 29   78   214