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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 11179000 ALAMEDA C NR NILES CA


Alameda County, California
Hydrologic Unit Code 18050004
Latitude  37°35'14", Longitude 121°57'35" NAD27
Drainage area 633  square miles
Gage datum 86.32 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 1969-10-01 -> 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
1 261 215 405 285 95 46 39 32 31 26 28 91
2 266 226 440 233 86 44 39 32 31 25 39 139
3 211 343 389 209 91 44 35 33 31 26 32 88
4 282 264 384 257 79 48 35 32 32 27 30 70
5 329 281 383 234 76 46 36 33 31 30 26 67
6 182 291 361 197 69 40 35 34 31 28 40 52
7 188 465 318 185 69 40 35 34 30 27 33 72
8 195 444 307 149 64 42 34 34 30 25 70 69
9 287 434 321 125 62 42 33 34 30 24 47 71
10 322 388 451 121 56 39 33 34 29 27 44 100
11 320 295 407 144 53 39 32 34 29 25 59 130
12 243 296 426 169 54 38 32 33 30 27 46 163
13 308 421 473 189 58 38 32 33 30 59 50 86
14 309 430 378 133 55 39 34 32 28 33 53 112
15 290 448 310 117 58 39 34 33 27 27 37 101
16 419 467 307 114 62 44 35 34 27 43 49 158
17 329 455 290 107 54 40 35 34 28 30 82 105
18 348 411 228 100 51 39 36 35 28 27 63 97
19 338 646 201 92 57 38 36 33 31 33 43 116
20 302 650 234 95 53 39 35 34 29 37 59 118
21 355 697 275 92 52 39 34 33 28 27 61 146
22 373 542 388 86 49 40 33 34 29 26 45 219
23 358 525 449 86 48 39 33 33 27 34 52 165
24 413 451 418 83 46 40 33 32 27 53 78 142
25 375 429 422 87 47 39 33 32 27 70 58 126
26 354 369 355 79 47 39 33 32 27 57 66 118
27 391 391 316 73 45 38 33 32 26 30 57 188
28 315 391 293 125 53 40 32 32 26 39 57 145
29 340 251 236 108 47 41 33 32 25 36 71 217
30 259   202 104 47 39 33 32 25 33 102 173
31 247   302   49   32 32   30   421