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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 05579500 LAKE FORK NEAR CORNLAND, IL


Logan County, Illinois
Hydrologic Unit Code 07130009
Latitude  39°57'06.36", Longitude  89°23'08.41" NAD83
Drainage area 214  square miles
Gage datum 554.73 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 1947-10-01 -> 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
1 214 171 204 265 377 242 193 101 42 52 96 138
2 178 167 219 237 364 245 184 124 42 53 112 137
3 161 182 226 238 328 246 165 159 47 56 95 176
4 166 189 287 259 300 226 157 134 40 54 83 203
5 179 199 306 254 320 240 175 106 33 47 75 174
6 172 193 271 264 324 244 167 106 27 44 67 153
7 157 219 258 262 315 228 146 103 36 53 62 149
8 145 215 245 245 332 218 133 94 47 56 58 143
9 137 207 234 230 330 218 141 71 48 71 55 128
10 141 226 234 214 308 206 146 59 42 71 57 119
11 162 213 239 237 310 215 152 60 47 68 61 122
12 156 219 254 334 317 256 191 55 38 62 60 160
13 157 195 264 313 337 291 193 61 30 62 70 142
14 196 178 269 296 347 313 193 51 48 68 75 130
15 203 167 261 294 309 318 145 54 66 65 83 140
16 176 179 250 287 309 330 129 55 76 62 84 148
17 142 206 236 264 378 276 120 45 57 65 93 138
18 137 218 249 247 399 227 105 42 44 64 108 124
19 149 220 285 258 379 218 94 37 45 60 128 115
20 158 234 305 289 353 213 93 36 48 55 147 112
21 150 264 316 325 307 242 90 33 41 54 118 136
22 151 329 273 348 265 300 124 34 37 49 98 162
23 178 332 250 324 241 350 118 45 54 68 94 157
24 194 297 241 296 229 294 98 47 48 74 93 163
25 173 290 238 333 241 261 81 36 47 78 96 161
26 156 261 236 335 299 246 91 44 48 74 99 150
27 157 228 252 335 296 244 117 35 44 76 112 161
28 161 202 261 345 283 242 124 32 38 68 147 173
29 168 154 254 324 255 236 106 39 43 67 116 208
30 178   264 333 236 216 92 38 40 83 116 243
31 167   280   235   100 33   91   228