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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 11501000 SPRAGUE RIVER NEAR CHILOQUIN, OR


Klamath County, Oregon
Hydrologic Unit Code 18010202
Latitude  42°35'03.5", Longitude 121°50'54.0" NAD83
Drainage area 1,565  square miles
Gage datum 4,202.43 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 1921-10-01 -> 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
1 473 558 751 1,120 1,230 855 339 215 207 245 300 356
2 489 569 773 1,150 1,230 837 332 212 204 249 302 369
3 513 569 781 1,160 1,220 819 323 209 201 252 303 387
4 547 574 772 1,170 1,220 798 317 208 200 254 301 400
5 548 578 765 1,160 1,220 778 310 206 201 256 301 402
6 522 584 763 1,150 1,200 756 300 206 203 258 303 398
7 493 595 760 1,140 1,190 731 295 206 205 260 303 388
8 478 600 764 1,160 1,180 708 286 203 207 261 306 383
9 466 607 771 1,190 1,170 685 279 201 208 262 308 381
10 462 627 783 1,210 1,170 664 274 200 210 266 309 387
11 459 643 811 1,220 1,170 647 268 201 212 269 309 391
12 462 649 854 1,220 1,170 625 263 200 213 270 312 402
13 471 646 892 1,220 1,170 605 260 197 213 276 314 404
14 478 641 911 1,220 1,150 585 255 196 215 280 321 404
15 490 644 914 1,230 1,130 563 251 195 218 288 330 417
16 512 652 920 1,230 1,100 543 248 193 222 300 338 428
17 557 657 935 1,220 1,080 521 242 194 228 305 338 438
18 593 668 940 1,230 1,060 499 240 197 230 302 338 445
19 599 687 943 1,240 1,060 479 238 197 229 293 338 443
20 593 707 946 1,250 1,050 461 238 196 232 287 341 431
21 588 722 958 1,270 1,050 452 235 199 233 285 339 430
22 583 743 963 1,270 1,050 438 233 200 235 287 337 451
23 564 765 962 1,270 1,050 423 231 200 235 289 341 487
24 537 775 969 1,260 1,040 411 229 200 233 291 345 536
25 531 769 991 1,250 1,030 400 227 201 237 295 347 594
26 540 749 1,020 1,250 999 390 225 203 239 295 354 613
27 551 736 1,040 1,250 968 382 224 203 240 295 359 586
28 543 735 1,060 1,250 941 374 224 202 239 297 355 550
29 532 741 1,080 1,250 917 364 220 199 241 298 352 517
30 538   1,090 1,240 893 351 216 201 243 300 354 484
31 544   1,100   876   215 206   300   467