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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 08172400 Plum Ck at Lockhart, TX


Caldwell County, Texas
Hydrologic Unit Code 12100203
Latitude  29°55'22", Longitude  97°40'44" NAD27
Drainage area 112  square miles
Contributing drainage area 112  square miles
Gage datum 430.70 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 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 41 36 37 23 56 117 55 3.7 14 6.5 105 46
2 39 43 35 21 43 95 47 3.1 11 5.3 66 59
3 75 111 30 23 33 93 54 4.1 9.6 10 62 93
4 33 162 84 37 69 158 67 3.2 9.5 26 95 36
5 26 90 40 64 37 86 42 3 13 16 98 41
6 23 81 37 44 39 94 28 2.2 10 16 58 44
7 21 80 40 36 61 120 23 2 8 11 50 52
8 19 54 27 47 58 86 18 3.6 16 8.1 50 91
9 67 65 27 25 97 104 27 7.1 13 10 73 50
10 46 55 36 19 167 168 16 4 21 13 70 37
11 42 81 30 21 73 120 11 2.3 10 22 37 38
12 34 65 83 43 103 127 18 1.7 15 22 30 34
13 59 49 86 26 165 160 10 1.4 39 94 35 29
14 44 51 53 20 99 183 6.9 2 11 90 31 25
15 47 37 50 19 158 77 8.8 2 8.6 80 45 43
16 55 60 43 48 119 79 8.5 4.1 12 61 55 62
17 46 40 43 36 179 77 10 11 13 174 56 32
18 87 33 30 94 125 56 8.3 8.3 5.7 336 36 30
19 70 25 24 61 173 48 6.1 6.8 5.8 103 35 30
20 82 50 55 69 140 41 5.3 4.3 6.9 81 34 28
21 98 56 48 38 141 49 25 4.3 14 37 35 121
22 90 104 37 36 117 91 11 4.4 17 30 72 111
23 54 46 51 28 87 68 8.8 3.5 16 41 52 88
24 46 77 46 21 169 46 9.1 3 4.7 60 300 50
25 154 67 28 38 149 37 12 2.4 4 78 80 43
26 68 79 31 27 138 31 13 8.3 4 64 70 47
27 82 49 31 36 135 26 9.1 71 22 46 97 53
28 47 38 76 23 86 25 9.6 42 6.6 31 58 56
29 45 31 96 39 117 51 7.1 41 16 54 47 34
30 35   43 28 107 56 5.6 21 9.3 184 49 29
31 32   35   85   4.6 16   291   52