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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 05590800 LAKE FORK AT ATWOOD, IL


Piatt County, Illinois
Hydrologic Unit Code 07140201
Latitude  39°48'22.7", Longitude  88°28'34.4" NAD83
Drainage area 149  square miles
Gage datum 643.99 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 1972-10-01 -> 2024-09-30)

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
1 233 135 208 269 287 179 115 95 17 48 63 147
2 190 124 204 236 267 182 116 113 15 53 99 146
3 152 130 199 229 264 193 152 89 14 42 88 130
4 191 136 242 224 273 232 147 57 15 38 71 126
5 211 166 290 192 252 237 148 43 12 41 61 125
6 183 184 261 194 239 225 111 46 11 40 54 117
7 137 185 231 185 241 251 96 42 8.8 33 48 114
8 124 180 224 178 254 240 98 37 11 35 43 114
9 127 149 215 165 268 216 102 28 14 53 42 107
10 127 146 232 166 263 210 110 43 15 57 52 94
11 151 137 228 221 256 178 112 43 11 48 64 127
12 167 142 250 304 252 192 102 35 9.5 37 71 149
13 186 154 250 293 274 210 95 44 9.7 32 76 135
14 182 144 260 288 304 191 80 42 25 32 83 119
15 156 128 236 267 283 197 66 53 57 33 83 137
16 129 138 219 243 280 204 52 55 49 32 91 137
17 102 205 198 241 289 175 47 40 37 42 109 124
18 109 220 212 224 296 158 44 28 27 44 114 106
19 119 198 235 239 307 169 42 25 21 37 134 95
20 134 211 260 238 296 188 46 18 21 33 123 102
21 138 274 234 233 237 195 50 15 17 40 106 110
22 142 334 199 244 212 208 57 13 15 36 93 119
23 166 354 192 231 208 227 50 11 18 40 86 122
24 185 342 187 207 197 199 53 9 17 56 88 145
25 168 285 197 225 211 169 54 8.8 19 72 106 180
26 146 242 212 223 274 180 71 9.7 25 71 129 163
27 128 239 230 196 275 197 71 14 35 59 138 183
28 126 218 247 227 237 179 61 29 31 51 156 239
29 119 98 258 275 211 146 46 27 25 48 153 267
30 126   254 289 172 134 52 19 26 54 141 266
31 126   291   167   98 18   66   259