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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 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 77 51 193 108 102 205 38 232 51
2 86 55 86 59 81 172 130 145 208 41 217 44
3 96 72 73 49 82 175 158 155 171 34 143 99
4 89 120 40 73 131 185 151 143 131 30 102 104
5 103 182 34 106 143 186 138 133 132 43 84 83
6 108 165 61 141 103 161 121 97 142 56 63 71
7 152 102 68 113 63 149 131 76 123 64 57 79
8 156 67 53 92 81 113 162 61 102 72 60 85
9 153 67 37 108 104 108 191 61 94 65 47 96
10 157 120 64 101 146 128 183 59 104 97 33 100
11 121 177 67 79 213 162 151 58 158 96 42 103
12 114 185 78 102 230 180 151 54 184 113 64 129
13 106 132 89 94 242 193 131 50 201 151 93 161
14 92 82 105 58 248 140 112 47 191 147 130 170
15 94 62 123 67 182 108 95 63 158 81 119 148
16 104 57 123 65 118 156 109 125 134 105 86 119
17 132 56 115 88 104 143 99 142 99 139 86 118
18 128 59 81 147 95 154 91 136 94 139 124 119
19 206 59 53 199 114 177 85 120 124 168 119 130
20 202 42 60 186 130 203 107 107 177 168 123 108
21 142 115 82 140 135 203 115 96 163 156 113 80
22 139 133 115 102 119 188 100 94 199 159 94 97
23 184 94 111 56 104 162 93 92 161 107 65 86
24 187 80 103 56 96 147 103 73 124 83 75 102
25 166 101 83 77 92 191 156 67 86 119 86 107
26 124 92 66 87 86 251 397 120 48 143 90 65
27 112 104 46 84 116 224 356 186 68 141 98 65
28 129 95 45 97 167 160 255 229 49 123 79 63
29 113 22 60 68 190 115 174 313 36 105 72 71
30 119   100 55 158 104 144 222 34 86 59 78
31 88   91   193   114 213   135   111