Storm Station

Live/Water/California/Ca DWR Streamflow Gage at Rock Slough above Contra Costa Canal

Ca DWR Streamflow Gage at Rock Slough above Contra Costa Canal

A water gauge in Contra Costa County, California. Its stage was 5.43 ft as of Sep 26, 8:15 PM PDT.

Gauge RSLC1Contra Costa County, CaliforniaEvery gauge in California

Stage now
5.43 ftreported Sep 26, 8:15 PM PDT
24 hour change
Rose 0.33 ftsince Sep 25, 8:15 PM
Rank
904of 3,112 in California, Sep 27
Elevation
3 ftabove sea level
County
Contra Costa County
Position
37.9760° N, 121.6350° W
Record since
2014

Water level

Ca DWR Streamflow Gage at Rock Slough above Contra Costa Canal

Stage is the height of the water's surface above the gauge's own fixed zero, in feet, not the depth of the water. Every point drawn is a reading the gauge sent, at the time it sent it.

Water level, 24 hours at Ca DWR Streamflow Gage at Rock Slough above Contra Costa Canal: the water from 3.10 to 6.01 feet of stage, the latest 5.43 feet.WATER LEVEL, 24 HOURSFTHIGH 6.01 FT, SEP 26, 6:45 PM · LOW 3.10 FT, SEP 26, 12:45 PM345679 PMSep 263 AM6 AM9 AM12 PM3 PM6 PM5.43
Latest
5.43 ftSep 26, 8:15 PM
Highest
6.01 ftSep 26, 6:45 PM
Lowest
3.10 ftSep 26, 12:45 PM
Range
2.91 fthighest less lowest
Change
Rose 0.71 ftsince Sep 25, 9:00 PM
Readings
94
The readings these charts were drawn from, as a table
TimeStage ft
Sep 26, 8:15 PM5.43
Sep 26, 8:00 PM5.55
Sep 26, 7:45 PM5.66
Sep 26, 7:30 PM5.79
Sep 26, 7:15 PM5.90
Sep 26, 7:00 PM5.99
Sep 26, 6:45 PM6.01
Sep 26, 6:30 PM5.98
Sep 26, 6:15 PM5.93
Sep 26, 6:00 PM5.86
Sep 26, 5:45 PM5.78
Sep 26, 5:30 PM5.70
Sep 26, 5:15 PM5.61
Sep 26, 5:00 PM5.49
Sep 26, 4:45 PM5.36
Sep 26, 4:30 PM5.25
Sep 26, 4:15 PM5.14
Sep 26, 4:00 PM4.99
Sep 26, 3:45 PM4.86
Sep 26, 3:30 PM4.74
Sep 26, 3:15 PM4.58
Sep 26, 3:00 PM4.42
Sep 26, 2:45 PM4.26
Sep 26, 2:30 PM4.11
Sep 26, 2:15 PM3.95
Sep 26, 2:00 PM3.77
Sep 26, 1:45 PM3.58
Sep 26, 1:30 PM3.43
Sep 26, 1:15 PM3.28
Sep 26, 1:00 PM3.15
Sep 26, 12:45 PM3.10
Sep 26, 12:30 PM3.15
Sep 26, 12:15 PM3.19
Sep 26, 12:00 PM3.23
Sep 26, 11:45 AM3.31
Sep 26, 11:30 AM3.41
Sep 26, 11:15 AM3.51
Sep 26, 11:00 AM3.63
Sep 26, 10:45 AM3.76
Sep 26, 10:30 AM3.86
Sep 26, 10:15 AM3.99
Sep 26, 10:00 AM4.14
Sep 26, 9:45 AM4.27
Sep 26, 9:30 AM4.40
Sep 26, 9:15 AM4.53
Sep 26, 9:00 AM4.68
Sep 26, 8:45 AM4.83
Sep 26, 8:30 AM4.99
Sep 26, 8:15 AM5.13
Sep 26, 8:00 AM5.24
Sep 26, 7:45 AM5.33
Sep 26, 7:30 AM5.42
Sep 26, 7:15 AM5.53
Sep 26, 7:00 AM5.66
Sep 26, 6:45 AM5.78
Sep 26, 6:30 AM5.85
Sep 26, 6:15 AM5.89
Sep 26, 6:00 AM5.89
Sep 26, 5:45 AM5.86
Sep 26, 5:30 AM5.82
Sep 26, 5:15 AM5.77
Sep 26, 5:00 AM5.69
Sep 26, 4:45 AM5.59
Sep 26, 4:30 AM5.49
Sep 26, 4:15 AM5.37
Sep 26, 4:00 AM5.25
Sep 26, 3:45 AM5.12
Sep 26, 3:30 AM5.00
Sep 26, 3:15 AM4.88
Sep 26, 3:00 AM4.73
Sep 26, 2:45 AM4.60
Sep 26, 2:30 AM4.48
Sep 26, 2:15 AM4.32
Sep 26, 2:00 AM4.16
Sep 26, 1:45 AM4.03
Sep 26, 1:30 AM3.91
Sep 26, 1:15 AM3.76
Sep 26, 1:00 AM3.59
Sep 26, 12:45 AM3.45
Sep 26, 12:30 AM3.42
Sep 26, 12:15 AM3.45
Sep 26, 12:00 AM3.48
Sep 25, 11:45 PM3.53
Sep 25, 11:30 PM3.61
Sep 25, 11:15 PM3.70
Sep 25, 11:00 PM3.81
Sep 25, 10:45 PM3.92
Sep 25, 10:30 PM4.03
Sep 25, 10:15 PM4.12
Sep 25, 10:00 PM4.29
Sep 25, 9:45 PM4.41
Sep 25, 9:30 PM4.49
Sep 25, 9:15 PM4.59
Sep 25, 9:00 PM4.72
Water level, 7 days at Ca DWR Streamflow Gage at Rock Slough above Contra Costa Canal: the water from 2.83 to 6.65 feet of stage, the latest 5.43 feet.WATER LEVEL, 7 DAYSFTHIGH 6.65 FT, SEP 20, 12:30 AM · LOW 2.83 FT, SEP 24, 11:45 AM2345678Sun 20Mon 21Tue 22Wed 23Thu 24Fri 25Sat 265.43
Latest
5.43 ftSep 26, 8:15 PM
Highest
6.65 ftSep 20, 12:30 AM
Lowest
2.83 ftSep 24, 11:45 AM
Range
3.82 fthighest less lowest
Change
Fell 1.22 ftsince Sep 20, 12:30 AM
Readings
636
The readings these charts were drawn from, as a table
TimeStage ft
Sep 26, 8:15 PM5.43
Sep 26, 7:45 PM5.66
Sep 26, 6:45 PM6.01
Sep 26, 5:45 PM5.78
Sep 26, 4:45 PM5.36
Sep 26, 3:45 PM4.86
Sep 26, 2:45 PM4.26
Sep 26, 1:45 PM3.58
Sep 26, 12:45 PM3.10
Sep 26, 11:45 AM3.31
Sep 26, 10:45 AM3.76
Sep 26, 9:45 AM4.27
Sep 26, 8:45 AM4.83
Sep 26, 7:45 AM5.33
Sep 26, 6:45 AM5.78
Sep 26, 5:45 AM5.86
Sep 26, 4:45 AM5.59
Sep 26, 3:45 AM5.12
Sep 26, 2:45 AM4.60
Sep 26, 1:45 AM4.03
Sep 26, 12:45 AM3.45
Sep 25, 11:45 PM3.53
Sep 25, 10:45 PM3.92
Sep 25, 9:45 PM4.41
Sep 25, 8:45 PM4.86
Sep 25, 7:45 PM5.31
Sep 25, 6:45 PM5.80
Sep 25, 5:45 PM5.86
Sep 25, 4:45 PM5.55
Sep 25, 3:45 PM5.06
Sep 25, 2:45 PM4.51
Sep 25, 1:45 PM3.83
Sep 25, 12:45 PM3.13
Sep 25, 11:45 AM3.19
Sep 25, 10:45 AM3.57
Sep 25, 9:45 AM4.04
Sep 25, 8:45 AM4.57
Sep 25, 7:45 AM5.18
Sep 25, 6:45 AM5.61
Sep 25, 5:45 AM6.03
Sep 25, 4:45 AM6.02
Sep 25, 3:45 AM5.71
Sep 25, 2:45 AM5.24
Sep 25, 1:45 AM4.74
Sep 25, 12:45 AM4.19
Sep 24, 11:45 PM3.67
Sep 24, 10:45 PM3.78
Sep 24, 9:45 PM4.16
Sep 24, 8:45 PM4.59
Sep 24, 7:45 PM5.04
Sep 24, 6:15 PM5.65
Sep 24, 5:45 PM5.69
Sep 24, 4:45 PM5.48
Sep 24, 3:15 PM4.80
Sep 24, 2:45 PM4.53
Sep 24, 1:45 PM3.98
Sep 24, 12:45 PM3.27
Sep 24, 11:45 AM2.83
Sep 24, 10:45 AM3.13
Sep 24, 9:45 AM3.61
Sep 24, 8:45 AM4.12
Sep 24, 7:45 AM4.63
Sep 24, 6:45 AM5.22
Sep 24, 5:45 AM5.65
Sep 24, 4:45 AM6.04
Sep 24, 3:45 AM6.00
Sep 24, 2:45 AM5.64
Sep 24, 1:45 AM5.17
Sep 24, 12:45 AM4.66
Sep 23, 11:45 PM4.16
Sep 23, 10:45 PM3.83
Sep 23, 9:45 PM4.04
Sep 23, 8:45 PM4.36
Sep 23, 7:45 PM4.82
Sep 23, 6:45 PM5.24
Sep 23, 5:45 PM5.59
Sep 23, 4:45 PM5.59
Sep 23, 3:45 PM5.33
Sep 23, 2:45 PM4.84
Sep 23, 1:45 PM4.32
Sep 23, 12:45 PM3.70
Sep 23, 11:45 AM3.04
Sep 23, 10:45 AM3.16
Sep 23, 9:45 AM3.62
Sep 23, 8:45 AM4.03
Sep 23, 7:45 AM4.55
Sep 23, 6:45 AM5.10
Sep 23, 5:45 AM5.67
Sep 23, 4:45 AM6.08
Sep 23, 3:45 AM6.37
Sep 23, 2:45 AM6.31
Sep 23, 1:45 AM5.98
Sep 23, 12:45 AM5.52
Sep 22, 11:45 PM5.00
Sep 22, 10:45 PM4.57
Sep 22, 9:45 PM4.26
Sep 22, 8:45 PM4.51
Sep 22, 7:45 PM4.86
Sep 22, 6:45 PM5.22
Sep 22, 5:45 PM5.61
Sep 22, 4:45 PM5.72
Sep 22, 3:45 PM5.52
Sep 22, 2:45 PM5.17
Sep 22, 1:45 PM4.67
Sep 22, 12:45 PM4.13
Sep 22, 11:45 AM3.46
Sep 22, 10:45 AM3.15
Sep 22, 9:45 AM3.45
Sep 22, 8:45 AM3.87
Sep 22, 7:45 AM4.34
Sep 22, 6:45 AM4.83
Sep 22, 5:45 AM5.37
Sep 22, 4:45 AM5.92
Sep 22, 3:15 AM6.51
Sep 22, 2:45 AM6.61
Sep 22, 1:45 AM6.53
Sep 22, 12:15 AM5.99
Sep 21, 11:45 PM5.77
Sep 21, 10:45 PM5.32
Sep 21, 9:45 PM4.92
Sep 21, 8:45 PM4.76
Sep 21, 7:45 PM4.94
Sep 21, 6:45 PM5.18
Sep 21, 5:45 PM5.56
Sep 21, 4:45 PM5.75
Sep 21, 3:45 PM5.64
Sep 21, 2:45 PM5.35
Sep 21, 1:45 PM4.91
Sep 21, 12:45 PM4.41
Sep 21, 11:45 AM3.83
Sep 21, 10:45 AM3.22
Sep 21, 9:45 AM3.09
Sep 21, 8:45 AM3.42
Sep 21, 7:45 AM3.85
Sep 21, 6:45 AM4.31
Sep 21, 5:45 AM4.79
Sep 21, 4:45 AM5.32
Sep 21, 3:45 AM5.85
Sep 21, 2:45 AM6.19
Sep 21, 1:45 AM6.47
Sep 21, 12:45 AM6.41
Sep 20, 11:45 PM6.06
Sep 20, 10:45 PM5.65
Sep 20, 9:45 PM5.28
Sep 20, 8:45 PM5.02
Sep 20, 7:45 PM5.00
Sep 20, 6:45 PM5.08
Sep 20, 5:15 PM5.48
Sep 20, 4:45 PM5.59
Sep 20, 3:45 PM5.63
Sep 20, 2:45 PM5.44
Sep 20, 1:45 PM5.14
Sep 20, 12:45 PM4.70
Sep 20, 11:45 AM4.20
Sep 20, 10:45 AM3.63
Sep 20, 9:45 AM3.09
Sep 20, 8:45 AM3.16
Sep 20, 7:45 AM3.52
Sep 20, 6:45 AM3.94
Sep 20, 5:45 AM4.41
Sep 20, 4:45 AM4.90
Sep 20, 3:45 AM5.39
Sep 20, 2:45 AM5.89
Sep 20, 1:45 AM6.31
Sep 20, 12:45 AM6.61
Water level, 30 days at Ca DWR Streamflow Gage at Rock Slough above Contra Costa Canal: the water from 2.72 to 7.01 feet of stage, the latest 5.43 feet.WATER LEVEL, 30 DAYSFTHIGH 7.01 FT, SEP 6, 12:45 AM · LOW 2.72 FT, SEP 7, 11:15 AM2468Aug 28Sep 2Sep 7Sep 12Sep 17Sep 225.43
Latest
5.43 ftSep 26, 8:15 PM
Highest
7.01 ftSep 6, 12:45 AM
Lowest
2.72 ftSep 7, 11:15 AM
Range
4.29 fthighest less lowest
Change
Rose 0.55 ftsince Aug 27, 9:00 PM
Readings
2,806
The readings these charts were drawn from, as a table
DayHigh ftLow ftAverage ftLast ftReadings
Sep 266.013.104.715.4382
Sep 256.093.074.753.5396
Sep 246.062.834.603.6788
Sep 236.402.974.814.1696
Sep 226.613.134.875.0088
Sep 216.503.044.975.7796
Sep 206.653.044.916.0690
Sep 196.432.954.725.2778
Sep 186.612.924.896.5196
Sep 176.503.164.926.1592
Sep 166.713.305.045.9996
Sep 156.563.154.845.6496
Sep 146.343.184.715.0296
Sep 136.183.334.774.6296
Sep 126.243.334.854.4592
Sep 116.483.375.034.1596
Sep 106.432.994.853.8092
Sep 96.472.804.733.6096
Sep 86.642.744.684.3092
Sep 76.852.724.815.1296
Sep 67.012.824.896.1294
Sep 56.962.784.956.6186
Sep 47.002.974.976.9996
Sep 36.932.914.836.6396
Sep 26.462.994.625.8996
Sep 16.333.304.695.4096
Aug 316.253.284.695.0992
Aug 305.913.004.624.5596
Aug 295.992.924.614.1996
Aug 286.192.864.653.8696
Aug 274.883.774.283.7712

How it reports

Rank
904of 3,112 in California, Sep 27
Schedule
every houron the hour's :15
Reports received, 24 hours
24 of 24100% of its schedule
Reports received, 7 days
27 of 27100% of its schedule, 28 reports in all
Longest silence, 7 days
1 hourfrom Sep 25, 5:15 PM
Latest report
Sep 26, 8:15 PMlocal time
Time to reach Storm Station
20 min9 in 10 within 20 min

Its schedule is one report every hour, 24 in 24 hours. Two reports in the same hour count as one received.

Near Ca DWR Streamflow Gage at Rock Slough above Contra Costa Canal

How to read a gauge

A gauge measures the height of the water where it stands, its stage, in feet above a fixed mark at that gauge. Two gauges' stages are not comparable: each is measured from its own mark, and a reservoir's is often its height above sea level.

The stage shown is the latest the gauge reported, with the time it reported it. Storm Station hears each gauge on its own schedule and ranks it among its state's stations by how reliably it reports: that is its 247 rank.