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USGS Daily Statistics for the Nation

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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 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 -> 2026-09-30)

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
1 175 298 129 288 392 167 64 70 20 12 71 131
2 143 322 106 221 325 139 127 35 33 10 61 132
3 126 259 116 221 238 140 120 26 37 15 54 135
4 152 224 202 280 213 123 131 35 37 27 50 209
5 250 183 280 347 241 110 132 53 28 34 67 174
6 248 155 251 305 192 89 109 64 27 35 110 137
7 132 187 262 206 176 84 126 49 15 26 80 132
8 83 215 261 165 247 82 105 36 20 26 49 131
9 62 138 194 145 245 91 82 44 31 40 40 118
10 77 116 168 160 200 101 95 42 34 49 59 107
11 158 118 163 261 168 91 188 27 47 46 81 126
12 183 156 191 424 170 114 166 39 45 48 77 214
13 153 139 183 286 226 125 108 71 38 40 61 155
14 160 135 195 274 245 116 59 85 52 43 67 149
15 143 131 225 300 169 120 34 81 91 52 95 186
16 120 103 203 290 193 144 40 71 78 43 86 178
17 107 108 149 205 309 138 47 59 62 30 75 133
18 131 135 182 202 275 134 48 58 47 26 106 118
19 182 136 253 272 227 141 65 50 30 22 145 83
20 204 139 326 266 166 153 84 42 18 25 153 66
21 175 179 312 267 130 157 79 38 13 51 110 80
22 166 287 239 241 115 137 69 26 14 48 73 146
23 160 386 181 220 108 147 65 22 37 45 58 132
24 166 345 163 253 90 185 44 41 58 49 66 146
25 181 254 225 291 89 174 27 51 52 57 113 237
26 160 216 243 228 143 168 34 41 39 51 147 181
27 135 205 229 203 257 139 56 45 39 42 165 294
28 149 179 258 199 271 116 98 37 29 31 183 303
29 168 42 290 360 237 93 106 37 25 33 177 240
30 207   315 471 162 59 142 30 13 47 131 191
31 235   326   129   111 28   75   213