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USGS Daily Statistics for Idaho

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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 12414900 ST MARIES RIVER NR SANTA, ID


Benewah County, Idaho
Hydrologic Unit Code 17010304
Latitude  47°10'34", Longitude 116°29'36" NAD83
Drainage area 273  square miles
Gage datum 2,592.45 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 1965-10-01 -> 2025-09-30)

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
1 238 445 499 876 827 531 182 76 58 66 111 185
2 205 431 495 833 809 573 176 75 59 64 97 238
3 223 376 527 814 832 535 170 76 58 62 98 209
4 208 360 544 796 853 490 162 73 56 62 97 216
5 212 371 525 828 852 474 158 70 55 58 118 198
6 236 365 544 881 885 464 152 69 55 58 110 187
7 297 444 558 916 863 455 148 69 56 58 130 179
8 374 474 550 942 822 441 143 70 55 60 123 185
9 335 512 593 960 800 418 138 67 56 60 113 180
10 324 442 693 956 790 404 136 65 54 64 113 194
11 319 400 718 964 778 396 133 64 57 62 122 225
12 275 348 733 979 755 384 126 63 60 70 136 220
13 317 375 736 966 722 403 123 63 56 66 143 245
14 346 394 786 1,030 727 413 124 62 54 67 129 272
15 463 445 822 982 752 392 118 62 55 68 118 244
16 553 524 877 923 761 362 112 65 59 71 138 211
17 504 568 800 911 759 345 111 61 59 68 132 211
18 488 566 778 881 753 322 109 60 63 69 132 210
19 444 678 827 836 714 303 107 59 64 71 125 189
20 400 756 771 849 684 294 103 58 63 72 144 189
21 412 673 765 847 669 293 101 63 64 74 152 211
22 354 581 766 817 700 276 96 64 61 93 147 220
23 325 514 803 852 671 256 96 69 60 84 147 192
24 333 520 804 967 629 241 92 69 63 80 152 176
25 343 496 776 914 597 233 90 65 62 79 210 194
26 376 479 845 884 598 223 89 65 61 83 201 216
27 361 449 855 865 589 212 86 63 59 83 156 215
28 336 499 844 876 569 207 83 60 58 84 158 195
29 331 758 824 840 599 196 80 58 63 83 171 187
30 344   883 825 593 187 79 57 64 85 182 207
31 378   914   555   77 58   98   207