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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 08171290 Blanco Rv at Halifax Rch nr Kyle, TX


Hays County, Texas
Hydrologic Unit Code 12100203
Latitude  30°00'20", Longitude  97°57'09" NAD83
Drainage area 391  square miles
Contributing drainage area 391  square miles
Gage datum 673.74 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 2008-10-01 -> 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 61 100 74 48 44 84 41 26 18 44 107 53
2 81 94 73 47 47 76 43 38 18 40 84 57
3 115 122 68 59 56 80 54 36 19 40 84 54
4 95 233 68 62 35 85 52 28 32 55 87 54
5 82 201 65 55 86 95 44 27 31 48 79 53
6 76 147 61 53 68 82 46 26 21 43 75 53
7 74 129 61 56 62 75 41 25 29 40 71 58
8 70 127 62 50 29 71 43 24 316 39 71 79
9 69 122 62 47 29 80 52 23 256 56 85 64
10 64 113 61 47 119 71 51 23 117 57 75 60
11 62 113 58 45 100 66 47 22 80 50 70 58
12 63 125 59 43 133 65 43 22 71 47 67 57
13 60 111 57 43 126 60 41 21 63 52 63 56
14 58 105 55 42 99 57 38 21 49 97 61 55
15 72 99 54 41 102 54 36 21 46 99 61 55
16 148 94 53 41 118 52 35 20 49 90 59 54
17 109 92 57 44 108 50 34 20 46 83 56 55
18 95 101 54 49 102 48 33 20 43 73 54 54
19 88 103 53 45 101 48 32 19 40 70 52 52
20 82 98 56 42 85 48 32 19 40 73 54 51
21 76 93 58 41 78 46 31 18 46 67 97 50
22 90 87 57 40 73 44 30 19 69 99 68 50
23 79 83 54 40 69 43 31 20 58 94 62 48
24 75 87 52 41 68 43 30 18 51 77 59 51
25 156 79 53 43 213 44 28 18 48 84 58 47
26 96 76 50 44 145 42 28 18 45 108 58 46
27 80 72 50 42 137 42 27 18 45 120 57 102
28 79 71 64 42 106 40 28 17 38 90 56 79
29 167 47 63 41 98 42 28 17 61 77 55 66
30 127   56 40 87 40 26 18 49 70 53 64
31 105   54   88   26 18   70   65