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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 08166200 Guadalupe Rv at Kerrville, TX


Kerr County, Texas
Hydrologic Unit Code 12100201
Latitude  30°03'11", Longitude  99°09'47" NAD27
Drainage area 510  square miles
Contributing drainage area 510  square miles
Gage datum 1,601.14 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 1985-10-01 -> 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 93 92 92 93 114 136 105 74 69 72 97 86
2 93 93 94 93 113 132 150 73 70 73 92 86
3 92 97 91 99 210 269 104 168 70 67 154 87
4 92 134 153 96 105 220 155 84 74 65 183 87
5 91 113 108 106 96 129 338 73 94 64 121 87
6 103 101 99 339 92 112 136 68 98 71 176 87
7 96 95 95 121 87 105 102 72 87 75 105 88
8 92 93 97 101 91 99 97 68 86 100 99 90
9 96 91 95 96 91 464 92 63 95 123 95 90
10 96 91 96 93 100 160 87 63 83 96 92 86
11 93 89 100 94 130 135 358 63 84 110 89 85
12 91 89 129 90 105 172 111 64 89 160 87 85
13 90 89 119 89 201 131 85 63 86 94 85 86
14 88 101 108 93 132 116 80 67 80 84 86 86
15 89 92 105 93 106 104 81 64 114 126 363 89
16 93 91 146 281 99 124 79 78 100 774 195 89
17 93 91 112 111 96 109 996 153 96 132 118 86
18 92 89 111 108 122 98 98 78 86 92 103 85
19 90 87 108 98 141 96 88 72 78 88 114 93
20 90 210 150 93 145 107 89 67 75 87 101 192
21 88 115 108 90 157 140 101 65 83 84 94 229
22 88 105 104 88 108 437 87 67 90 85 92 135
23 87 98 100 88 100 152 163 166 77 468 90 114
24 85 117 98 91 138 113 101 96 73 146 90 104
25 84 119 98 87 328 103 84 75 71 101 89 98
26 87 101 124 94 164 102 80 70 182 90 89 102
27 92 97 111 89 119 106 74 67 84 86 89 103
28 95 94 109 86 130 106 74 70 76 345 94 102
29 96 104 103 90 220 131 72 66 75 122 90 101
30 92   99 90 205 119 72 65 71 108 88 97
31 91   95   147   76 73   102   94