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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 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 -> 2024-09-30)

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
1 220 199 196 222 144 143 242 111 171 70 65 136
2 190 317 213 281 178 189 129 139 107 77 72 108
3 171 270 303 235 327 127 106 141 93 79 84 95
4 193 270 282 233 216 97 98 97 91 127 75 155
5 224 299 266 205 162 77 93 89 141 124 70 168
6 229 297 294 337 156 85 110 99 185 104 77 169
7 231 272 239 321 125 87 114 103 142 81 71 188
8 251 227 289 226 185 89 112 84 91 75 80 164
9 245 181 254 227 192 96 111 83 77 67 80 151
10 215 185 211 186 241 104 99 79 81 63 71 199
11 194 249 477 216 199 114 114 73 83 61 74 216
12 200 286 307 247 299 118 112 193 79 67 77 195
13 206 319 210 234 233 100 108 292 94 65 89 201
14 204 272 251 266 165 97 93 110 126 75 279 180
15 213 228 223 381 141 108 107 117 112 80 141 183
16 187 268 259 252 164 89 93 94 138 66 106 179
17 164 304 246 184 115 85 86 85 126 60 90 169
18 157 295 263 249 97 83 89 97 91 59 83 185
19 210 331 276 173 123 80 84 99 82 57 98 200
20 266 253 216 142 158 82 89 75 74 54 103 177
21 389 238 178 171 128 76 103 75 76 55 104 162
22 343 430 177 270 112 78 107 78 80 61 105 178
23 317 308 183 215 123 76 99 82 72 61 137 186
24 272 243 182 151 109 76 105 95 73 63 116 226
25 278 263 287 126 103 89 108 101 66 83 117 209
26 285 305 184 154 108 115 106 94 81 95 161 173
27 240 292 182 186 97 132 97 144 171 145 240 132
28 315 277 215 141 92 118 89 102 91 96 138 272
29 289 165 293 144 94 119 83 87 78 79 119 221
30 231   314 148 108 129 78 261 69 75 123 168
31 206   284   118   97 343   67   191