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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 0.31 feet above NGVD29
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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 -> 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
1 116 68 75 79 51 177 109 100 207 39 235 52
2 88 55 88 60 82 168 133 144 211 42 220 44
3 90 64 75 49 84 176 162 155 172 35 145 101
4 86 112 41 74 134 188 153 136 132 30 103 106
5 95 181 34 109 147 189 141 124 132 43 85 84
6 96 167 62 145 106 163 124 94 142 56 63 72
7 150 103 69 115 64 151 131 75 123 65 58 80
8 157 68 53 94 82 115 140 61 103 72 60 86
9 150 68 37 110 107 110 144 61 94 66 47 97
10 148 122 65 101 149 130 137 59 105 98 34 102
11 116 181 69 78 219 166 114 58 160 97 43 105
12 114 185 80 104 237 170 132 55 187 115 65 132
13 107 131 91 95 249 171 123 49 204 154 94 166
14 92 82 108 59 254 131 104 47 194 149 132 175
15 95 62 126 69 186 105 91 64 160 82 120 152
16 103 58 119 67 121 151 107 126 136 106 87 122
17 133 56 114 90 104 138 99 143 100 141 87 121
18 130 59 81 150 96 154 90 138 95 141 125 122
19 211 59 54 204 116 178 84 122 126 170 121 134
20 207 42 61 191 133 201 85 108 179 171 125 111
21 145 118 70 134 138 204 96 97 166 158 114 82
22 141 136 75 91 122 191 94 95 202 161 95 100
23 183 89 84 53 107 165 89 93 163 109 66 88
24 176 76 98 53 98 150 86 74 125 84 76 102
25 138 101 82 77 94 195 121 67 87 121 87 102
26 102 93 66 88 88 257 358 122 49 145 91 61
27 95 105 46 85 119 229 319 189 69 143 99 64
28 123 96 45 99 167 163 224 232 50 124 80 62
29 111 22 60 69 185 117 157 317 36 106 73 71
30 119   102 55 152 105 136 224 34 87 60 79
31 87   93   176   110 215   137   114