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USGS Surface-Water 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 08149900 S Llano Rv at Flat Rock Ln at Junction, TX


Kimble County, Texas
Hydrologic Unit Code 12090204
Latitude  30°28'44.45", Longitude  99°46'40.94" NAD83
Drainage area 879  square miles
Gage datum 1,677.37 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 2012-10-01 -> 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 70 66 66 68 63 208 60 47 59 70 89 74
2 69 66 65 69 63 119 59 48 60 67 86 73
3 69 66 65 69 65 108 59 48 62 64 85 74
4 68 66 67 77 75 109 58 47 63 62 84 74
5 67 66 66 81 67 102 58 46 62 61 84 74
6 67 65 65 71 65 94 57 45 63 60 83 73
7 67 65 64 70 63 90 56 47 62 59 82 74
8 67 64 64 69 61 87 57 46 62 1,270 80 74
9 68 65 65 69 62 85 57 46 65 719 79 72
10 69 64 66 68 62 81 55 46 67 281 80 71
11 68 65 73 67 62 78 54 47 65 141 80 71
12 68 66 92 69 62 77 53 47 63 105 78 71
13 67 65 76 68 63 74 52 49 63 93 77 71
14 67 66 72 67 64 73 51 49 63 87 77 71
15 67 65 69 66 62 73 52 50 63 421 76 70
16 68 64 70 66 62 74 52 50 79 1,720 76 70
17 68 64 69 67 65 74 54 51 73 325 75 69
18 69 64 68 69 70 71 56 54 71 159 74 69
19 68 64 67 67 67 70 54 54 64 116 73 69
20 68 65 196 66 67 68 52 58 63 105 73 69
21 68 66 183 66 141 67 51 97 63 100 72 69
22 68 69 120 66 96 65 50 79 84 95 72 69
23 67 75 89 66 82 64 50 68 69 91 72 69
24 67 70 80 66 268 63 50 63 62 96 72 69
25 67 68 75 67 155 62 49 63 71 110 72 68
26 67 67 72 67 110 61 49 62 432 564 74 68
27 68 67 70 66 93 63 48 61 127 147 75 70
28 67 66 70 64 85 64 48 61 100 106 75 70
29 67 76 70 63 139 61 48 59 88 97 77 69
30 66   69 63 118 60 47 60 80 95 76 68
31 66   68   130   47 61   92   70