Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins
  • Due to a lapse in government funding, the majority of USGS websites will not be updated except to provide important public safety information. Websites displaying real-time water data will be updated with limited support. For more information please see www.doi.gov/shutdown.
  • Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

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 09527660 BROCK RESERVOIR OUTLET NEAR CALEXICO, CA


Imperial County, California
Hydrologic Unit Code 18100204
Latitude  32°42'20.71", Longitude 115°02'03.59" NAD83
Gage datum 97.94 feet above NAVD88
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 2013-10-01 -> 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 10 115 188 166 156 242 157 107 255 129 115 155
2 92 176 150 138 220 170 133 84 224 110 195 245
3 137 167 174 217 219 190 137 198 93 143 93 219
4 161 137 171 236 157 233 93 309 100 154 154 144
5 164 217 51 109 163 124 68 250 50 98 221 142
6 175 194 112 54 56 93 140 221 178 104 298 143
7 208 137 278 191 81 86 165 205 204 151 229 128
8 262 213 273 164 155 114 250 220 216 130 219 148
9 262 161 168 340 132 108 217 216 141 131 81 189
10 368 306 230 374 207 112 278 384 219 111 161 155
11 278 343 128 333 287 150 261 250 154 132 153 59
12 96 268 146 266 313 145 109 154 230 78 79 82
13 242 206 152 381 174 76 98 229 226 212 141 107
14 351 138 74 328 153 176 159 323 296 230 180 241
15 338 255 72 184 118 144 140 357 196 182 234 247
16 246 266 46 135 161 128 136 383 133 162 198 312
17 103 253 92 163 182 29 123 212 349 198 160 244
18 117 213 157 249 197 53 153 71 269 196 91 229
19 58 78 184 199 191 121 108 77 230 174 126 103
20 176 39 157 149 308 120 76 95 134 128 203 149
21 210 87 249 82 272 208 99 31 114 66 293 256
22 100 106 336 137 66 378 144 53 158 194 212 213
23 102 185 275 240 1.7 430 91 159 172 121 207 242
24 119 229 222 306 39 308 172 194 158 47 189 45
25 122 122 262 282 139 133 182 304 138 57 166 8.3
26 134 276 245 301 312 31 118 192 118 78 127 245
27 147 127 184 133 279 111 189 95 84 123 142 354
28 78 114 177 39 268 250 324 108 94 201 260 426
29 78 86 96 41 175 250 177 114 95 207 220 292
30 76   143 130 109 189 144 116 194 217 338 101
31 139   227   273   128 167   243   19