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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 05576000 SOUTH FORK SANGAMON RIVER NEAR ROCHESTER, IL


Sangamon County, Illinois
Hydrologic Unit Code 07130007
Latitude  39°44'32", Longitude  89°34'02" NAD27
Drainage area 867  square miles
Gage datum 511.30 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 1948-10-01 -> 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
1 935 808 986 1,040 1,300 978 966 368 140 165 197 450
2 886 866 943 1,010 1,380 993 856 414 178 157 208 494
3 806 891 881 980 1,340 932 707 468 230 185 240 542
4 778 902 867 999 1,300 909 613 467 252 196 265 579
5 789 917 907 985 1,240 914 564 431 234 187 261 567
6 780 862 925 959 1,200 908 499 389 209 192 253 560
7 767 827 951 898 1,170 922 424 358 186 214 242 570
8 786 799 966 875 1,170 925 358 321 161 196 225 562
9 728 800 976 870 1,220 927 354 293 130 196 203 533
10 646 846 961 889 1,230 899 372 260 105 204 183 525
11 623 846 930 928 1,250 883 369 216 96 224 165 554
12 591 827 931 1,080 1,240 893 373 180 79 211 158 566
13 584 823 950 1,180 1,270 864 341 167 86 213 164 590
14 647 835 986 1,330 1,250 895 338 152 93 264 188 579
15 647 789 987 1,300 1,200 1,010 333 147 139 265 205 572
16 647 746 989 1,180 1,150 1,080 343 154 189 279 230 568
17 607 753 996 1,110 1,210 1,100 341 156 245 266 281 564
18 565 747 1,020 1,030 1,260 1,150 313 150 249 259 329 542
19 584 721 1,070 1,080 1,270 1,130 284 139 247 238 359 507
20 624 728 1,120 1,070 1,220 1,120 306 140 236 197 396 474
21 638 805 1,140 1,090 1,180 1,040 359 131 213 169 426 450
22 695 873 1,140 1,140 1,180 1,040 375 127 182 157 440 440
23 726 974 1,110 1,150 1,140 1,090 333 108 197 157 431 437
24 722 1,040 1,100 1,190 1,070 1,060 301 97 191 154 414 467
25 683 1,130 1,090 1,230 964 1,020 272 85 181 154 326 516
26 666 1,160 1,060 1,210 982 1,010 248 82 189 157 404 550
27 687 1,130 1,040 1,150 1,010 969 247 85 210 170 399 602
28 702 1,070 1,030 1,130 1,030 952 258 86 199 167 410 709
29 705 468 1,030 1,120 1,030 918 257 86 194 158 415 885
30 730   1,010 1,180 989 925 278 95 183 177 415 978
31 754   1,030   991   330 107   200   989