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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 07375000 Tchefuncte River near Folsom, LA


St. Tammany Parish, Louisiana
Hydrologic Unit Code 08090201
Latitude  30°36'57", Longitude  90°14'55" NAD27
Drainage area 103.00  square miles
Contributing drainage area 95.50  square miles
Gage datum 61.13 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 1943-10-01 -> 2020-09-30)

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
1 207 191 198 223 145 145 246 112 153 66 64 134
2 188 319 216 286 180 192 129 142 101 74 72 107
3 171 268 309 238 334 129 105 143 92 78 84 94
4 181 246 287 237 220 98 97 96 90 124 75 157
5 208 287 270 207 165 78 91 89 142 117 69 172
6 224 295 300 336 157 83 107 99 188 98 76 172
7 234 274 243 322 124 87 109 104 144 79 70 191
8 255 228 294 220 187 90 113 83 91 75 80 165
9 247 179 258 211 195 97 111 83 76 66 81 153
10 214 181 214 177 245 104 97 78 80 63 72 203
11 194 249 487 217 202 111 111 72 83 60 74 220
12 204 288 313 250 304 113 101 197 79 67 78 199
13 210 322 213 232 237 100 100 300 95 65 90 206
14 209 275 255 252 167 97 89 111 128 75 288 184
15 217 230 226 370 142 108 106 119 102 80 143 182
16 191 272 262 247 166 89 92 93 97 66 106 178
17 166 307 249 184 115 85 82 85 110 60 91 172
18 160 292 266 249 98 83 87 97 84 59 83 188
19 215 330 280 172 124 80 83 98 79 57 99 204
20 273 255 219 143 161 81 83 75 71 53 104 176
21 399 240 181 172 129 75 85 74 75 55 105 154
22 349 438 179 274 112 77 93 77 80 61 107 169
23 322 312 185 218 124 76 96 79 72 61 140 186
24 274 246 185 152 110 75 105 87 72 63 118 230
25 239 267 292 126 104 89 108 86 65 83 116 212
26 246 310 186 156 108 116 107 81 81 97 142 175
27 219 297 184 188 97 133 96 140 175 145 232 134
28 307 282 218 142 93 117 88 100 92 87 132 279
29 277 165 292 145 95 118 83 85 79 72 117 226
30 203   311 150 109 128 77 148 67 71 120 169
31 186   286   120   97 210   66   180