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USGS Daily Statistics for California

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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 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
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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 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 11 126 195 181 171 257 171 63 279 129 127 159
2 101 193 162 150 241 186 145 90 245 110 213 190
3 150 183 190 232 239 208 141 213 93 143 101 214
4 149 151 187 212 171 255 98 306 100 170 152 151
5 174 237 55 109 178 135 74 258 50 108 192 156
6 190 203 123 59 61 76 152 232 178 115 283 156
7 220 104 300 209 90 75 179 224 204 167 249 139
8 286 125 297 178 170 117 273 240 216 143 239 150
9 280 132 183 298 129 115 237 235 141 145 56 153
10 383 271 228 324 142 67 274 418 219 112 102 134
11 289 364 112 315 276 98 198 272 154 136 105 64
12 104 293 159 289 317 86 92 168 230 79 44 89
13 194 224 165 416 142 65 107 227 226 203 154 117
14 286 150 81 358 128 192 149 265 296 206 190 254
15 299 272 78 192 97 157 99 309 196 184 243 239
16 251 291 50 146 176 140 137 372 133 178 173 252
17 112 256 101 177 198 32 114 228 349 218 167 260
18 128 210 158 271 215 58 151 78 269 216 50 211
19 63 86 171 218 181 132 118 84 230 161 107 107
20 193 43 166 163 311 131 83 103 134 141 202 163
21 230 95 203 89 258 211 108 33 114 73 271 268
22 110 103 254 150 70 382 115 25 158 213 220 232
23 111 198 263 220 2.5 460 82 132 172 133 225 256
24 130 250 242 274 42 306 115 208 158 52 206 48
25 112 133 287 265 152 140 146 332 138 36 167 9
26 143 299 258 244 340 32 129 210 118 6.2 131 209
27 160 138 192 109 304 102 207 105 84 71 155 345
28 85 125 192 26 292 274 354 117 94 194 284 392
29 85 86 105 45 190 274 193 125 95 225 240 238
30 83   155 142 120 207 157 128 194 219 332 104
31 151   247   270   130 169   266   21