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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 05590800 LAKE FORK AT ATWOOD, IL


Piatt County, Illinois
Hydrologic Unit Code 07140201
Latitude  39°48'23", Longitude  88°28'34" NAD27
Drainage area 149  square miles
Gage datum 644.58 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 1972-10-01 -> 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
1 240 132 212 257 286 183 119 99 18 50 65 153
2 196 123 209 216 271 187 120 118 16 55 103 152
3 157 131 202 209 269 198 157 93 15 43 92 135
4 198 138 234 212 278 239 153 59 15 39 74 130
5 218 171 288 186 256 244 154 45 13 42 63 129
6 189 190 262 190 236 232 114 48 11 42 56 121
7 142 193 225 182 235 259 100 43 9 34 50 117
8 128 187 216 177 238 248 98 38 11 36 45 118
9 130 155 208 165 254 223 97 29 14 55 44 111
10 124 151 229 168 256 217 109 44 16 60 54 98
11 150 141 230 225 256 183 114 44 12 49 66 132
12 166 143 256 313 255 199 105 36 9.8 39 74 154
13 174 156 257 302 281 216 98 46 10 33 79 140
14 175 148 269 293 314 197 83 44 26 33 87 124
15 155 132 244 271 292 203 68 55 59 34 86 143
16 130 139 225 248 289 211 54 58 51 34 94 142
17 104 188 203 248 298 181 48 41 38 44 113 128
18 111 209 218 231 304 163 46 29 28 45 118 108
19 124 196 243 247 318 174 43 26 22 38 140 97
20 139 215 270 246 307 195 48 19 22 34 128 105
21 144 276 243 242 245 202 51 16 18 42 110 114
22 149 331 205 253 218 215 59 14 15 38 96 123
23 173 353 194 239 213 236 52 11 19 42 89 126
24 182 349 187 214 201 206 55 9.3 18 58 91 150
25 153 293 195 229 200 175 56 9.1 20 75 110 187
26 127 250 211 228 265 186 74 10 26 74 134 169
27 110 247 235 198 269 204 74 15 36 61 143 189
28 111 223 255 225 243 185 64 31 32 53 162 247
29 107 101 268 272 215 151 48 29 26 50 159 276
30 118   261 284 176 139 54 20 27 55 146 275
31 121   280   171   101 19   68   267