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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 11118500 VENTURA R NR VENTURA


Ventura County, California
Hydrologic Unit Code 18070101
Latitude  34°21'08", Longitude 119°18'27" NAD27
Drainage area 188  square miles
Gage datum 203.77 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 1959-10-01 -> 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 23 54 414 96 40 23 11 6.6 4.5 8.5 3.1 5.3
2 37 102 290 84 40 21 11 6.4 4.3 4.2 3 6.3
3 45 297 177 82 42 20 11 6.5 4.5 5.2 2.9 12
4 39 135 431 163 38 19 11 6.5 4.3 5 2.8 20
5 81 96 412 119 47 19 11 6.1 4.4 4.5 3 15
6 20 147 342 106 42 21 10 6 4.5 4 4.1 85
7 71 198 183 75 40 18 10 6.2 4.5 3.8 4.1 17
8 89 198 180 68 39 18 10 5.9 4.4 3.7 3.8 7.1
9 572 443 124 66 37 18 9.8 5.7 4.4 3.4 3.3 6.9
10 629 548 203 61 34 18 9.8 5.9 4.2 3.3 3.2 11
11 187 346 249 63 33 19 10 5.7 4.2 3.2 4.8 16
12 89 242 145 59 36 17 9.9 5.6 4.1 3.3 4.1 5.8
13 113 136 124 55 36 16 9.7 5.6 4.1 3.5 3.9 5.3
14 101 199 126 55 34 16 9.5 5.4 4.3 4 5.5 6.5
15 95 186 154 56 37 16 9.1 5.3 3.9 3.5 3.3 4.6
16 116 196 116 55 34 16 8.9 5.4 4.1 3.3 6.2 5.6
17 144 185 91 54 33 15 8.8 5.5 4.2 3.2 22 4.8
18 147 221 112 56 30 15 8.6 5.4 3.9 3.1 22 14
19 89 331 119 53 30 15 8.5 5.4 3.8 3.7 12 30
20 75 245 182 56 28 14 8.5 5.2 3.9 5.7 9 12
21 148 339 136 59 29 14 8.2 5.2 3.9 3 7.7 26
22 101 315 135 69 28 14 8 5.1 3.9 2.9 20 43
23 77 525 142 68 25 14 7.9 5 3.8 3 24 21
24 210 495 106 63 25 13 7.9 4.8 3.9 2.9 72 20
25 492 489 148 59 24 13 7.8 4.8 3.8 2.9 17 29
26 305 259 125 56 23 12 7.6 4.8 3.8 2.9 7.3 20
27 253 216 107 46 22 12 7.3 4.7 3.8 3 5.9 23
28 151 194 131 41 22 12 7.3 4.6 3.7 2.8 5 34
29 103 98 104 40 23 12 7 4.5 9.6 3 19 103
30 83   99 41 23 12 6.9 4.5 3.8 4 8.5 40
31 59   108   23   6.7 4.6   3.1   85