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USGS Surface-Water Daily Statistics for Louisiana

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TEMPORARY GAGE REMOVAL NOTICE: The following sites will be temporarily suspended due to the risk of equipment damage from high water levels during the operation of the Morganza Spillway.

  • 295011091184300 Little Bayou Long North of Duck Lake
  • 295447091191500 Middle Fork Bayou Long at Bayou Long
  • 300507091355600 Bayou Darby near Lake Fausse Point Cut
  • 073815963 Murphy Lake near Bayou Sorrel, LA

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 -> 2018-09-30)

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
1 209 228 235 244 240 232 248 245 218 215 213 250
2 222 225 245 247 236 237 254 248 223 219 217 248
3 225 248 231 246 229 242 245 255 238 214 220 251
4 215 242 235 238 213 226 237 253 249 216 224 238
5 222 238 241 238 239 209 236 253 242 224 220 225
6 217 240 242 241 243 216 230 258 255 218 220 234
7 211 233 241 241 245 227 237 254 259 220 221 242
8 221 242 249 231 241 239 238 255 264 231 211 243
9 209 236 243 236 239 231 234 249 266 227 224 240
10 204 229 240 235 215 227 238 240 267 224 228 226
11 209 233 230 238 211 219 246 245 270 236 223 233
12 222 227 235 239 226 225 245 228 272 232 221 223
13 224 239 227 234 240 229 244 216 261 229 235 229
14 227 235 233 221 246 238 236 213 259 228 226 236
15 220 238 233 233 245 237 227 245 255 226 218 232
16 214 243 241 236 245 242 244 245 251 221 217 234
17 215 243 248 240 251 242 246 246 239 227 212 231
18 216 237 250 235 250 247 245 253 239 232 209 234
19 222 230 248 243 246 244 234 238 249 224 209 223
20 219 230 256 248 235 234 229 227 246 226 211 215
21 228 227 246 249 244 231 222 229 239 226 209 211
22 226 233 238 252 241 237 229 248 243 221 212 201
23 220 232 238 245 237 242 232 243 238 225 215 200
24 228 231 249 240 242 248 241 239 227 217 217 199
25 229 223 241 233 245 240 247 226 234 220 213 213
26 234 235 253 237 243 242 246 248 232 217 216 220
27 235 240 246 234 242 249 220 245 231 221 218 217
28 236 233 242 238 238 240 241 226 226 217 223 216
29 236 251 238 249 228 228 241 217 231 219 221 216
30 234   238 247 222 235 236 203 231 226 231 219
31 229   244   222   246 226   213   213