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USGS Daily Statistics for South Dakota
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.
Lyman County, South Dakota Hydrologic Unit Code 10140204
Latitude 43°44'54", Longitude 99°33'22"
NAD27
Drainage area 9,915 square miles Contributing drainage area 9,855 square miles Gage datum 1,378.4 feet above NAVD88 |
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00060, Discharge, cubic feet per second, | |||||||||||||
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Day of month |
Mean of daily mean values for each day for water year of record in, ft3/s
(Calculation Period 1928-10-01 -> 2024-09-30) Calculation period restricted by USGS staff due to special conditions at/near site |
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Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
1 | 97 | 125 | 641 | 1,410 | 1,250 | 1,190 | 716 | 526 | 242 | 158 | 212 | 122 | |
2 | 97 | 128 | 697 | 1,220 | 1,560 | 1,150 | 748 | 473 | 213 | 148 | 241 | 123 | |
3 | 97 | 135 | 722 | 1,140 | 1,740 | 1,220 | 689 | 462 | 191 | 139 | 231 | 122 | |
4 | 98 | 142 | 906 | 1,080 | 1,510 | 1,390 | 716 | 509 | 217 | 196 | 200 | 122 | |
5 | 105 | 156 | 907 | 1,050 | 1,260 | 1,630 | 726 | 468 | 251 | 176 | 187 | 120 | |
6 | 100 | 168 | 873 | 1,030 | 1,260 | 1,510 | 713 | 417 | 229 | 231 | 183 | 117 | |
7 | 99 | 175 | 813 | 1,050 | 1,440 | 1,450 | 798 | 351 | 208 | 282 | 177 | 116 | |
8 | 99 | 189 | 913 | 1,040 | 1,380 | 1,550 | 631 | 418 | 250 | 277 | 180 | 114 | |
9 | 101 | 201 | 1,170 | 1,000 | 1,470 | 1,360 | 541 | 382 | 211 | 243 | 202 | 114 | |
10 | 97 | 237 | 1,330 | 933 | 1,670 | 1,300 | 475 | 355 | 202 | 259 | 194 | 118 | |
11 | 95 | 338 | 1,370 | 1,110 | 1,460 | 1,350 | 418 | 353 | 220 | 342 | 208 | 117 | |
12 | 94 | 439 | 1,510 | 1,040 | 1,350 | 1,620 | 386 | 352 | 196 | 337 | 203 | 115 | |
13 | 93 | 415 | 1,710 | 1,030 | 1,370 | 1,530 | 432 | 335 | 202 | 304 | 198 | 115 | |
14 | 92 | 385 | 1,950 | 996 | 1,440 | 1,520 | 459 | 304 | 188 | 305 | 209 | 116 | |
15 | 92 | 359 | 1,980 | 976 | 1,430 | 1,330 | 590 | 290 | 191 | 232 | 196 | 114 | |
16 | 92 | 350 | 1,910 | 927 | 1,390 | 1,430 | 574 | 313 | 186 | 230 | 190 | 113 | |
17 | 92 | 535 | 1,720 | 962 | 1,340 | 1,720 | 478 | 371 | 164 | 331 | 193 | 111 | |
18 | 92 | 615 | 1,680 | 1,040 | 1,300 | 1,760 | 432 | 398 | 141 | 319 | 189 | 110 | |
19 | 93 | 534 | 1,630 | 1,060 | 1,130 | 1,490 | 366 | 369 | 147 | 268 | 185 | 108 | |
20 | 93 | 560 | 1,690 | 1,030 | 1,020 | 1,520 | 375 | 350 | 165 | 231 | 178 | 105 | |
21 | 96 | 694 | 1,840 | 1,120 | 1,140 | 1,420 | 360 | 360 | 185 | 222 | 165 | 101 | |
22 | 98 | 631 | 1,870 | 1,040 | 1,400 | 1,260 | 399 | 324 | 278 | 222 | 156 | 101 | |
23 | 101 | 617 | 1,830 | 1,140 | 1,370 | 1,270 | 461 | 276 | 314 | 194 | 150 | 101 | |
24 | 103 | 601 | 1,860 | 1,160 | 1,350 | 1,290 | 449 | 236 | 285 | 177 | 146 | 101 | |
25 | 106 | 581 | 1,730 | 1,140 | 1,250 | 1,310 | 461 | 227 | 229 | 180 | 150 | 101 | |
26 | 108 | 562 | 1,670 | 1,350 | 1,400 | 1,210 | 458 | 230 | 232 | 182 | 146 | 101 | |
27 | 110 | 558 | 1,550 | 1,320 | 1,520 | 1,020 | 446 | 218 | 208 | 171 | 143 | 101 | |
28 | 110 | 581 | 1,410 | 1,200 | 1,690 | 864 | 434 | 205 | 186 | 168 | 139 | 100 | |
29 | 111 | 763 | 1,430 | 1,080 | 1,800 | 863 | 483 | 226 | 192 | 192 | 136 | 100 | |
30 | 113 | 1,630 | 1,110 | 1,580 | 777 | 469 | 255 | 187 | 201 | 127 | 99 | ||
31 | 116 | 1,670 | 1,440 | 481 | 237 | 190 | 99 |