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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
1 941 799 997 1,060 1,300 978 966 368 140 165 226 447
2 896 857 947 1,040 1,380 993 856 414 178 157 232 490
3 819 882 882 1,020 1,340 932 707 468 230 185 258 537
4 791 893 868 1,050 1,300 909 613 467 252 196 278 574
5 798 907 908 985 1,240 914 564 431 234 187 271 562
6 786 854 924 959 1,200 908 499 389 209 192 259 555
7 768 819 957 898 1,170 922 424 358 186 211 246 564
8 785 791 984 875 1,170 925 358 321 161 194 228 557
9 726 792 994 870 1,220 927 354 293 130 196 205 528
10 643 837 981 889 1,230 899 372 260 105 204 184 519
11 621 838 950 928 1,250 883 369 216 96 226 167 549
12 587 832 951 1,080 1,240 893 373 180 79 214 160 562
13 581 830 968 1,180 1,270 864 341 167 86 216 166 586
14 642 840 997 1,330 1,250 895 338 152 93 265 189 575
15 642 793 989 1,300 1,200 1,010 333 147 139 267 206 568
16 641 756 986 1,180 1,150 1,080 343 154 189 281 231 564
17 602 774 991 1,110 1,210 1,100 341 156 245 270 281 560
18 560 774 1,010 1,030 1,260 1,150 313 150 249 265 327 538
19 579 748 1,060 1,080 1,270 1,130 284 139 247 245 357 503
20 618 760 1,110 1,070 1,220 1,120 306 140 236 204 393 470
21 632 850 1,140 1,090 1,180 1,040 359 131 213 177 423 447
22 688 928 1,130 1,140 1,180 1,040 375 127 182 162 436 438
23 719 1,030 1,100 1,150 1,140 1,090 333 108 197 160 428 435
24 715 1,090 1,090 1,190 1,070 1,060 301 97 191 166 410 464
25 676 1,170 1,090 1,230 964 1,020 272 85 181 174 324 513
26 660 1,190 1,060 1,210 982 1,010 248 82 189 179 401 546
27 680 1,150 1,040 1,150 1,010 969 247 85 210 189 396 598
28 695 1,090 1,030 1,130 1,030 952 258 86 199 187 407 703
29 698 468 1,030 1,120 1,030 918 257 86 194 183 412 884
30 722   1,010 1,180 989 925 278 95 183 206 412 981
31 746   1,040   991   330 107   232   992