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USGS Daily Statistics for Florida

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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 02370000 BLACKWATER RIVER NR BAKER, FLA.


Okaloosa County, Florida
Hydrologic Unit Code 03140104
Latitude  30°50'00", Longitude  86°44'05" NAD27
Drainage area 205.00  square miles
Gage datum 60.50 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 1949-10-01 -> 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
1 534 443 482 686 318 244 279 520 290 393 208 288
2 560 488 494 704 312 231 282 386 272 322 216 314
3 548 504 539 633 313 275 247 343 245 262 204 309
4 496 485 606 569 351 552 249 292 221 235 186 379
5 451 481 577 600 351 387 267 255 290 221 186 391
6 432 541 587 582 352 280 274 256 276 247 186 351
7 433 614 541 517 339 264 250 283 250 290 170 357
8 470 561 601 481 306 303 258 280 241 286 187 320
9 471 459 748 450 311 450 258 279 260 258 319 272
10 419 410 561 437 311 400 241 261 259 236 261 268
11 389 444 478 466 282 338 241 269 241 220 243 299
12 372 503 443 451 253 312 246 314 218 196 276 333
13 398 518 442 490 253 284 273 288 210 179 286 373
14 421 484 464 574 272 264 277 284 209 186 258 382
15 407 471 447 614 332 270 261 315 231 198 236 386
16 363 516 470 512 324 345 258 303 407 183 228 378
17 349 524 702 402 294 346 253 289 766 194 217 324
18 345 477 612 394 299 293 240 287 447 194 197 292
19 394 581 616 418 272 264 235 298 304 201 198 298
20 421 575 541 384 288 283 245 302 245 199 203 303
21 477 494 444 318 288 345 264 297 252 170 214 354
22 502 506 392 292 274 341 268 275 293 159 213 388
23 490 521 378 301 286 324 282 245 348 168 233 391
24 467 521 402 316 273 284 284 232 345 168 241 419
25 540 514 398 332 249 243 297 233 315 181 244 484
26 572 545 371 320 239 236 281 247 310 179 242 493
27 490 540 388 312 300 270 268 244 322 179 257 415
28 418 526 521 342 327 272 254 233 402 209 279 360
29 376 412 636 302 315 256 262 214 559 226 297 414
30 443   557 324 282 280 313 236 503 222 295 420
31 452   561   255   489 291   213   444