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USGS Surface-Water 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 -> 2019-09-30)

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
1 224 240 248 258 256 247 261 261 235 231 237 262
2 236 238 258 262 251 252 267 264 239 232 242 262
3 239 260 246 260 244 257 258 270 253 229 246 265
4 230 255 249 252 229 243 251 268 262 231 250 252
5 235 250 253 252 253 227 251 268 257 238 246 240
6 230 253 255 255 257 233 246 272 270 232 246 248
7 225 247 254 256 259 243 253 269 273 234 247 255
8 233 255 261 246 255 255 254 269 277 243 236 256
9 222 250 258 252 253 247 250 264 280 240 251 252
10 218 242 256 250 230 243 252 256 282 236 254 239
11 222 245 247 252 228 237 261 262 284 249 250 245
12 236 240 252 253 241 225 260 247 286 248 248 237
13 236 253 245 248 254 229 259 236 276 245 261 243
14 240 250 249 225 260 253 251 232 274 243 254 249
15 233 252 250 243 261 252 244 261 270 242 232 245
16 227 256 257 249 262 257 260 262 266 235 232 247
17 226 256 263 254 267 257 261 261 256 240 228 245
18 227 251 266 250 265 261 260 267 257 245 224 244
19 235 244 264 257 261 258 249 253 266 239 224 235
20 232 245 272 261 250 247 244 243 263 226 226 228
21 241 242 263 263 259 244 238 245 257 226 223 224
22 239 247 255 266 256 250 244 263 261 237 226 215
23 233 246 255 258 253 256 247 258 256 240 230 214
24 241 245 265 254 257 260 255 255 246 245 232 213
25 242 237 257 248 260 253 262 243 253 248 228 227
26 248 246 269 251 257 255 261 263 246 245 231 233
27 239 251 262 250 257 262 239 260 246 249 233 230
28 240 245 256 254 254 254 256 243 240 245 237 230
29 245 251 252 266 244 243 256 236 241 247 236 230
30 247   252 263 238 248 251 221 245 253 245 233
31 242   258   238   262 243   240   226