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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 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
1 246 251 266 278 281 270 284 286 262 255 254 293
2 256 251 277 281 275 275 289 288 265 257 261 294
3 257 271 266 280 267 280 280 293 278 254 266 296
4 249 266 269 264 256 269 275 292 286 256 270 286
5 257 261 275 263 279 240 274 292 281 262 266 277
6 254 272 277 273 282 254 270 295 294 255 264 281
7 249 266 276 275 283 261 276 293 297 256 265 287
8 257 274 282 269 278 269 277 294 300 265 256 276
9 247 270 279 274 276 269 274 289 301 260 270 271
10 242 263 275 272 254 269 273 282 304 257 273 260
11 245 265 269 274 255 262 279 289 305 270 270 267
12 258 261 274 274 265 254 279 277 306 270 268 262
13 251 272 267 270 277 258 277 269 284 267 281 267
14 254 269 270 249 280 278 270 262 283 266 264 272
15 248 271 270 265 262 277 263 287 280 265 256 269
16 242 275 276 270 283 280 284 288 277 258 266 271
17 240 274 282 274 289 278 286 285 267 263 265 269
18 242 270 284 269 288 282 285 291 269 267 259 269
19 250 264 283 277 286 280 274 278 277 261 259 261
20 247 264 291 282 274 270 268 269 273 250 261 253
21 255 261 284 284 281 266 263 271 265 251 256 249
22 253 266 276 285 278 271 268 285 268 260 258 241
23 246 266 277 279 276 275 270 281 266 262 256 241
24 252 265 286 276 276 278 277 277 257 267 257 240
25 254 259 279 270 282 272 285 266 277 266 264 252
26 261 267 291 274 278 277 285 277 269 256 266 257
27 252 266 283 274 278 284 262 276 269 266 259 253
28 252 263 275 280 276 277 274 265 264 264 268 238
29 257 283 272 289 268 268 274 263 266 265 268 251
30 258   271 289 262 271 276 249 270 263 279 256
31 253   278   262   287 268   249   249