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USGS Daily Statistics for Louisiana

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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 07380401 Bayou Lafourche SW of Donaldsonville, LA


Ascension Parish, Louisiana
Hydrologic Unit Code 08070204
Latitude  30°05'47", Longitude  91°00'21" NAD27
Gage datum -0.82 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 2000-10-01 -> 2021-09-30)

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
1 257 262 272 287 289 278 284 286 262 255 254 293
2 266 263 283 290 281 283 289 288 265 257 261 294
3 269 281 272 289 273 287 280 293 278 254 266 296
4 261 278 275 275 265 278 275 292 286 256 270 286
5 268 272 281 274 285 251 274 292 281 262 266 277
6 264 282 284 283 289 263 270 295 294 255 264 281
7 260 277 285 284 291 269 276 293 297 256 265 287
8 267 284 292 276 286 277 277 294 300 265 256 286
9 258 280 290 282 285 277 274 289 301 260 270 280
10 253 274 285 274 250 269 273 282 304 257 273 270
11 256 270 279 282 254 262 279 289 305 270 270 277
12 269 261 284 283 257 254 279 277 306 270 268 272
13 263 279 278 270 281 258 277 269 284 267 281 277
14 265 280 280 239 288 278 270 262 283 266 264 282
15 260 280 281 253 273 277 263 287 280 265 256 279
16 254 282 286 261 292 280 284 288 277 258 266 281
17 251 280 291 274 295 278 286 285 267 263 265 280
18 253 276 291 276 274 282 285 291 269 267 259 280
19 263 271 290 287 276 280 274 278 277 261 259 272
20 260 270 299 291 270 270 268 269 273 250 261 262
21 264 268 292 292 266 266 263 271 265 251 256 260
22 265 274 285 293 272 271 268 285 268 260 258 253
23 258 272 277 287 281 275 270 281 266 262 256 252
24 263 271 271 285 283 278 277 277 257 267 257 251
25 266 266 268 279 288 272 285 266 277 266 264 263
26 272 273 282 282 285 277 285 277 269 256 266 268
27 264 272 281 283 286 284 262 276 269 266 259 264
28 263 269 277 288 284 277 274 265 264 264 268 250
29 267 283 281 298 276 268 274 263 266 265 268 263
30 268   280 297 271 271 276 249 270 263 279 267
31 264   287   271   287 268   249   259