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USGS Daily Statistics for Illinois

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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°43'00", Longitude  89°49'45" NAD27
Drainage area 154  square miles
Gage datum 430.00 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 1966-10-01 -> 2022-09-30)

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
1 174 302 134 291 372 176 63 71 21 12 76 136
2 145 332 109 207 311 146 128 35 35 11 65 139
3 119 269 110 196 226 147 127 26 40 16 58 142
4 146 232 159 260 205 130 131 36 39 28 46 220
5 243 189 241 262 234 115 127 51 29 36 33 183
6 247 158 242 223 181 93 103 66 28 38 29 143
7 133 192 264 179 163 88 125 51 16 28 35 139
8 85 224 269 152 239 86 107 38 21 27 31 138
9 62 140 201 141 244 96 81 46 33 42 32 124
10 77 114 173 163 204 107 86 41 36 53 58 112
11 161 119 169 258 175 96 188 27 50 49 83 132
12 188 161 199 431 177 121 172 40 47 51 81 225
13 154 144 190 290 233 133 111 74 40 43 63 163
14 164 139 200 284 255 120 61 89 56 45 70 154
15 148 135 214 313 171 120 36 85 97 56 101 184
16 125 104 194 303 196 148 34 76 84 45 91 174
17 111 110 147 213 318 146 37 63 66 32 80 129
18 135 140 187 209 284 142 38 62 50 27 112 120
19 184 142 262 267 237 143 57 54 32 20 155 84
20 205 145 341 260 160 161 82 45 19 26 163 68
21 180 187 326 264 121 168 69 40 14 55 116 83
22 173 301 250 239 104 146 61 27 15 51 77 153
23 160 404 185 216 103 157 64 24 35 48 61 138
24 162 360 148 258 91 198 45 44 50 52 69 153
25 176 264 192 300 92 186 28 55 48 60 118 248
26 146 224 220 228 146 179 28 43 41 48 155 190
27 123 214 220 190 257 143 45 48 39 39 173 308
28 146 186 257 192 275 121 59 40 29 31 191 317
29 169 44 298 349 247 99 79 40 26 35 184 249
30 210   325 462 170 62 126 32 14 49 137 194
31 236   336   136   103 29   79   214