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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 08078000 Chocolate Bayou nr Alvin, TX


Brazoria County, Texas
Hydrologic Unit Code 12040204
Latitude  29°22'16.7", Longitude  95°19'22.2" NAD27
Drainage area 87.7  square miles
Contributing drainage area 87.7  square miles
Gage datum -1.48 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 1958-10-01 -> 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
1 113 68 74 78 51 191 108 102 205 38 232 51
2 86 55 87 59 82 172 131 145 208 41 217 44
3 96 72 74 49 83 177 160 155 171 34 143 99
4 89 120 40 73 132 187 151 143 131 30 102 104
5 103 182 34 107 145 188 139 133 132 43 84 83
6 108 165 61 143 104 163 122 97 142 56 63 71
7 152 103 68 114 63 150 132 76 123 64 57 79
8 156 68 53 93 81 114 163 61 102 72 60 85
9 153 67 37 109 106 109 191 61 94 65 47 96
10 157 121 64 102 147 129 183 59 104 97 33 100
11 121 179 68 80 216 164 151 58 158 96 42 103
12 114 182 79 104 233 168 152 54 184 113 64 129
13 106 130 90 95 246 170 133 50 201 151 93 161
14 92 81 106 59 252 130 113 47 191 147 130 170
15 94 62 124 68 184 104 96 63 158 81 119 148
16 104 57 124 66 120 149 109 125 134 105 86 119
17 132 56 117 89 105 136 99 142 99 139 86 118
18 128 59 82 149 96 152 91 136 94 139 124 119
19 206 59 54 202 116 177 85 120 124 168 119 130
20 202 42 61 188 132 205 107 107 177 168 123 108
21 142 117 83 132 136 205 115 96 163 156 113 80
22 139 134 117 90 120 190 100 94 199 159 94 97
23 184 88 112 52 106 163 93 92 161 107 65 86
24 187 75 105 53 97 148 103 73 124 83 75 102
25 166 100 84 76 93 193 156 67 86 119 86 107
26 124 92 67 87 87 254 397 120 48 143 90 65
27 112 104 47 84 117 226 356 186 68 141 98 65
28 129 95 45 98 165 162 255 229 49 123 79 63
29 113 22 60 69 187 116 174 313 36 105 72 71
30 119   101 55 153 104 144 222 34 86 59 78
31 88   92   184   114 213   135   111