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USGS Daily Statistics for Texas

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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 08173000 Plum Ck nr Luling, TX


Caldwell County, Texas
Hydrologic Unit Code 12100203
Latitude  29°41'58", Longitude  97°36'12" NAD27
Drainage area 309  square miles
Contributing drainage area 309  square miles
Gage datum 321.57 feet above NGVD29
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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 1963-10-01 -> 2025-09-30)

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 86 74 82 91 123 344 157 12 44 19 393 173
2 67 70 83 50 199 222 123 11 35 14 148 132
3 109 155 81 59 113 219 128 19 32 15 80 204
4 103 462 196 68 114 563 138 23 30 68 122 209
5 62 372 193 110 116 424 177 20 34 64 303 159
6 58 193 100 98 200 283 106 19 39 27 172 153
7 45 186 102 58 190 212 72 13 51 23 94 109
8 39 155 84 184 164 186 49 11 28 18 124 132
9 81 131 61 207 265 162 44 15 31 176 120 134
10 200 153 88 91 264 332 44 13 51 49 142 100
11 112 146 76 56 312 327 32 9.6 45 40 124 104
12 73 258 445 91 414 261 31 8.2 34 90 62 112
13 72 110 203 98 264 257 32 7.3 74 88 50 91
14 90 118 159 79 340 294 22 7 95 219 45 68
15 97 109 130 55 208 233 32 7.3 42 245 44 75
16 131 94 124 144 282 161 33 8.1 26 263 80 147
17 110 152 86 290 291 191 40 26 55 133 87 77
18 233 103 75 224 330 138 34 25 42 60 124 52
19 268 70 66 228 334 96 23 21 18 57 83 66
20 169 112 100 306 295 71 23 16 17 58 100 70
21 201 262 183 184 323 72 41 17 31 36 128 310
22 386 226 127 95 285 73 43 17 68 66 174 401
23 168 224 162 74 208 85 23 14 57 141 247 317
24 103 159 149 135 524 96 54 12 33 172 363 163
25 257 250 96 149 435 78 25 11 16 261 391 90
26 262 215 64 89 503 70 33 23 14 148 242 93
27 207 151 112 62 322 65 41 391 26 101 207 131
28 154 106 77 77 337 81 35 303 50 51 187 90
29 85 66 158 77 245 67 26 164 38 68 101 59
30 71   140 86 243 100 19 131 33 110 82 52
31 66   128   223   15 69   315   70