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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 05579500 LAKE FORK NEAR CORNLAND, IL


Logan County, Illinois
Hydrologic Unit Code 07130009
Latitude  39°57'06", Longitude  89°23'08" NAD83
Drainage area 214  square miles
Gage datum 555.06 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 1947-10-01 -> 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
1 215 172 204 253 383 245 195 102 42 53 95 138
2 179 168 219 228 370 247 185 119 42 53 112 138
3 162 183 225 232 332 249 166 154 48 56 95 177
4 166 191 278 256 304 228 159 130 40 54 83 204
5 179 200 300 252 323 243 176 104 30 48 74 176
6 172 194 267 262 320 248 169 105 26 45 66 154
7 157 221 255 259 313 231 147 103 35 53 62 151
8 146 217 243 243 330 221 133 94 46 56 57 144
9 137 208 230 229 329 222 140 71 48 72 54 129
10 141 226 232 213 308 208 146 59 42 72 56 120
11 163 214 237 237 311 219 153 60 48 68 60 123
12 157 220 254 337 319 261 192 55 38 62 60 162
13 158 196 264 315 341 296 194 62 30 63 70 143
14 197 179 270 299 351 320 195 51 48 68 76 130
15 204 168 263 297 312 324 147 55 67 66 84 130
16 177 179 251 290 312 337 130 55 76 62 84 140
17 143 207 237 266 384 281 121 45 57 66 94 133
18 137 219 250 249 406 231 106 43 44 64 109 121
19 147 221 287 260 385 222 95 37 45 61 129 113
20 156 236 308 293 359 217 94 36 48 56 149 110
21 149 266 320 329 311 247 91 33 42 55 118 135
22 150 332 275 352 267 306 125 33 37 49 99 161
23 178 330 250 328 243 358 119 45 54 69 94 157
24 194 296 239 299 231 300 99 47 48 75 93 163
25 173 290 235 333 243 267 82 36 47 79 97 161
26 156 261 233 337 303 250 92 45 48 73 99 150
27 157 228 251 337 300 248 118 35 44 75 112 161
28 161 201 262 349 287 243 125 32 38 68 146 174
29 169 154 255 328 259 238 107 39 44 67 115 210
30 179   264 337 240 217 93 38 41 83 116 245
31 168   271   239   101 34   90   230