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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 06600500 Floyd River at James, IA


Plymouth County, Iowa
Hydrologic Unit Code 10230002
Latitude  42°34'35.0", Longitude  96°18'41.6" NAD83
Drainage area 886  square miles
Gage datum 1,093.29 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 1935-10-01 -> 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
1 120 90 345 696 436 543 494 252 153 158 167 137
2 111 89 371 711 466 502 513 217 148 162 165 137
3 107 92 418 606 475 469 473 202 140 160 159 132
4 105 95 502 636 425 506 452 218 139 155 154 133
5 103 102 539 680 397 556 475 203 152 161 153 128
6 100 103 491 592 394 536 496 199 160 162 150 126
7 96 104 466 570 412 525 506 211 165 169 149 124
8 97 109 394 536 399 893 449 210 164 172 146 122
9 97 164 345 438 393 684 440 208 158 181 143 116
10 91 222 386 397 410 548 433 182 174 188 144 115
11 89 219 453 384 425 521 424 186 210 187 144 119
12 88 186 568 413 423 520 408 198 222 180 148 118
13 90 209 662 447 471 581 393 218 192 170 149 121
14 91 211 773 440 426 577 392 230 183 165 150 123
15 89 194 811 406 404 573 366 234 207 164 148 125
16 90 189 621 393 380 549 330 213 189 163 148 126
17 91 210 547 380 363 681 314 209 177 168 147 128
18 96 223 610 368 370 609 343 201 177 168 148 136
19 116 346 646 373 417 634 314 181 173 167 151 126
20 105 355 612 388 372 683 276 175 184 164 154 118
21 106 298 532 381 405 867 286 184 232 158 152 113
22 99 246 478 416 470 911 313 178 310 155 151 110
23 95 255 541 486 465 1,040 313 182 238 160 149 108
24 90 272 541 483 446 744 307 157 194 163 145 105
25 87 231 530 426 421 685 268 153 180 167 140 106
26 85 221 532 406 452 622 264 147 166 170 137 111
27 84 262 586 405 547 663 238 154 155 165 136 122
28 84 312 760 396 679 699 222 178 146 159 136 133
29 83 491 898 396 581 643 219 202 142 153 136 136
30 85   824 397 568 540 228 172 144 151 136 145
31 88   770   534   243 158   162   138