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Live/Water/California/USGS Stream Gage at Colgan Creek near Sebastopol

USGS Stream Gage at Colgan Creek near Sebastopol

A gauge on the USGS Stream in Sonoma County, California. Its stage was 117.73 ft as of Oct 15, 8:15 PM PDT.

Gauge CGNC1Sonoma County, CaliforniaEvery gauge in California

Stage now
117.73 ftreported Oct 15, 8:15 PM PDT
24 hour change
No changesince Oct 14, 8:15 PM
Elevation
69 ftabove sea level
County
Sonoma County
Position
38.3736° N, 122.7672° W
Record since
2010

Water level

USGS Stream Gage at Colgan Creek near Sebastopol

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 USGS Stream Gage at Colgan Creek near Sebastopol: the water from 117.71 to 117.74 feet of stage, the latest 117.73 feet.WATER LEVEL, 24 HOURSFTHIGH 117.74 FT, OCT 15, 1:00 PM · LOW 117.71 FT, OCT 15, 3:00 AM117.67117.70117.72117.75117.78117.809 PMOct 153 AM6 AM9 AM12 PM3 PM6 PM117.73
Latest
117.73 ftOct 15, 8:15 PM
Highest
117.74 ftOct 15, 1:00 PM
Lowest
117.71 ftOct 15, 3:00 AM
Range
0.03 fthighest less lowest
Change
No changesince Oct 14, 8:45 PM
Readings
95
The readings these charts were drawn from, as a table
TimeStage ft
Oct 15, 8:15 PM117.73
Oct 15, 8:00 PM117.73
Oct 15, 7:45 PM117.73
Oct 15, 7:30 PM117.73
Oct 15, 7:15 PM117.73
Oct 15, 7:00 PM117.74
Oct 15, 6:45 PM117.73
Oct 15, 6:30 PM117.74
Oct 15, 6:15 PM117.74
Oct 15, 6:00 PM117.74
Oct 15, 5:45 PM117.74
Oct 15, 5:30 PM117.74
Oct 15, 5:15 PM117.74
Oct 15, 5:00 PM117.74
Oct 15, 4:45 PM117.74
Oct 15, 4:30 PM117.74
Oct 15, 4:15 PM117.74
Oct 15, 4:00 PM117.74
Oct 15, 3:45 PM117.74
Oct 15, 3:30 PM117.74
Oct 15, 3:15 PM117.74
Oct 15, 3:00 PM117.74
Oct 15, 2:45 PM117.74
Oct 15, 2:30 PM117.74
Oct 15, 2:15 PM117.74
Oct 15, 2:00 PM117.74
Oct 15, 1:45 PM117.74
Oct 15, 1:30 PM117.74
Oct 15, 1:15 PM117.74
Oct 15, 1:00 PM117.74
Oct 15, 12:45 PM117.73
Oct 15, 12:30 PM117.73
Oct 15, 12:15 PM117.73
Oct 15, 12:00 PM117.73
Oct 15, 11:45 AM117.73
Oct 15, 11:30 AM117.73
Oct 15, 11:15 AM117.73
Oct 15, 11:00 AM117.73
Oct 15, 10:45 AM117.73
Oct 15, 10:30 AM117.73
Oct 15, 10:15 AM117.73
Oct 15, 10:00 AM117.73
Oct 15, 9:45 AM117.73
Oct 15, 9:30 AM117.73
Oct 15, 9:15 AM117.72
Oct 15, 9:00 AM117.72
Oct 15, 8:45 AM117.72
Oct 15, 8:30 AM117.71
Oct 15, 8:15 AM117.71
Oct 15, 8:00 AM117.71
Oct 15, 7:45 AM117.71
Oct 15, 7:30 AM117.71
Oct 15, 7:15 AM117.71
Oct 15, 7:00 AM117.71
Oct 15, 6:45 AM117.71
Oct 15, 6:30 AM117.71
Oct 15, 6:15 AM117.71
Oct 15, 6:00 AM117.71
Oct 15, 5:45 AM117.71
Oct 15, 5:30 AM117.71
Oct 15, 5:15 AM117.71
Oct 15, 5:00 AM117.71
Oct 15, 4:45 AM117.71
Oct 15, 4:30 AM117.71
Oct 15, 4:15 AM117.72
Oct 15, 4:00 AM117.71
Oct 15, 3:45 AM117.72
Oct 15, 3:30 AM117.72
Oct 15, 3:15 AM117.72
Oct 15, 3:00 AM117.71
Oct 15, 2:45 AM117.72
Oct 15, 2:30 AM117.72
Oct 15, 2:15 AM117.72
Oct 15, 2:00 AM117.72
Oct 15, 1:45 AM117.72
Oct 15, 1:30 AM117.72
Oct 15, 1:15 AM117.72
Oct 15, 1:00 AM117.72
Oct 15, 12:45 AM117.72
Oct 15, 12:30 AM117.72
Oct 15, 12:15 AM117.72
Oct 15, 12:00 AM117.72
Oct 14, 11:45 PM117.72
Oct 14, 11:30 PM117.72
Oct 14, 11:15 PM117.72
Oct 14, 11:00 PM117.72
Oct 14, 10:45 PM117.72
Oct 14, 10:30 PM117.72
Oct 14, 10:15 PM117.73
Oct 14, 10:00 PM117.72
Oct 14, 9:45 PM117.73
Oct 14, 9:30 PM117.73
Oct 14, 9:15 PM117.73
Oct 14, 9:00 PM117.73
Oct 14, 8:45 PM117.73
Water level, 7 days at USGS Stream Gage at Colgan Creek near Sebastopol: the water from 117.58 to 117.74 feet of stage, the latest 117.73 feet.WATER LEVEL, 7 DAYSFTHIGH 117.74 FT, OCT 13, 12:00 PM · LOW 117.58 FT, OCT 10, 10:45 PM117.55117.60117.65117.70117.75117.80Fri 9Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15117.73
Latest
117.73 ftOct 15, 8:15 PM
Highest
117.74 ftOct 13, 12:00 PM
Lowest
117.58 ftOct 10, 10:45 PM
Range
0.16 fthighest less lowest
Change
Rose 0.13 ftsince Oct 8, 8:45 PM
Readings
671
The readings these charts were drawn from, as a table
TimeStage ft
Oct 15, 8:15 PM117.73
Oct 15, 7:45 PM117.73
Oct 15, 6:45 PM117.73
Oct 15, 5:45 PM117.74
Oct 15, 4:45 PM117.74
Oct 15, 3:45 PM117.74
Oct 15, 2:45 PM117.74
Oct 15, 1:45 PM117.74
Oct 15, 12:45 PM117.73
Oct 15, 11:45 AM117.73
Oct 15, 10:45 AM117.73
Oct 15, 9:45 AM117.73
Oct 15, 8:45 AM117.72
Oct 15, 7:45 AM117.71
Oct 15, 6:45 AM117.71
Oct 15, 5:45 AM117.71
Oct 15, 4:45 AM117.71
Oct 15, 3:45 AM117.72
Oct 15, 2:45 AM117.72
Oct 15, 1:45 AM117.72
Oct 15, 12:45 AM117.72
Oct 14, 11:45 PM117.72
Oct 14, 10:45 PM117.72
Oct 14, 9:45 PM117.73
Oct 14, 8:45 PM117.73
Oct 14, 7:45 PM117.73
Oct 14, 6:45 PM117.74
Oct 14, 5:45 PM117.74
Oct 14, 4:45 PM117.74
Oct 14, 3:45 PM117.74
Oct 14, 2:45 PM117.74
Oct 14, 1:45 PM117.74
Oct 14, 12:45 PM117.74
Oct 14, 11:45 AM117.74
Oct 14, 10:45 AM117.74
Oct 14, 9:45 AM117.73
Oct 14, 8:45 AM117.72
Oct 14, 7:45 AM117.71
Oct 14, 6:45 AM117.71
Oct 14, 5:45 AM117.71
Oct 14, 4:45 AM117.71
Oct 14, 3:45 AM117.71
Oct 14, 2:45 AM117.71
Oct 14, 1:45 AM117.71
Oct 14, 12:45 AM117.71
Oct 13, 11:45 PM117.72
Oct 13, 10:45 PM117.72
Oct 13, 9:45 PM117.72
Oct 13, 8:45 PM117.73
Oct 13, 7:45 PM117.73
Oct 13, 6:45 PM117.74
Oct 13, 5:45 PM117.74
Oct 13, 4:45 PM117.74
Oct 13, 3:45 PM117.74
Oct 13, 2:45 PM117.74
Oct 13, 1:45 PM117.74
Oct 13, 12:45 PM117.74
Oct 13, 11:45 AM117.73
Oct 13, 10:45 AM117.73
Oct 13, 9:45 AM117.73
Oct 13, 8:45 AM117.72
Oct 13, 7:45 AM117.71
Oct 13, 6:45 AM117.71
Oct 13, 5:45 AM117.59
Oct 13, 4:45 AM117.59
Oct 13, 3:45 AM117.59
Oct 13, 2:45 AM117.59
Oct 13, 1:45 AM117.59
Oct 13, 12:45 AM117.60
Oct 12, 11:45 PM117.60
Oct 12, 10:45 PM117.60
Oct 12, 9:45 PM117.60
Oct 12, 8:45 PM117.60
Oct 12, 7:45 PM117.61
Oct 12, 6:45 PM117.61
Oct 12, 5:45 PM117.62
Oct 12, 4:45 PM117.62
Oct 12, 3:45 PM117.62
Oct 12, 2:45 PM117.62
Oct 12, 1:45 PM117.62
Oct 12, 12:45 PM117.62
Oct 12, 11:45 AM117.62
Oct 12, 10:45 AM117.61
Oct 12, 9:45 AM117.61
Oct 12, 8:45 AM117.59
Oct 12, 7:45 AM117.59
Oct 12, 6:45 AM117.59
Oct 12, 5:45 AM117.59
Oct 12, 4:45 AM117.59
Oct 12, 3:45 AM117.59
Oct 12, 2:45 AM117.59
Oct 12, 1:45 AM117.59
Oct 12, 12:45 AM117.59
Oct 11, 11:45 PM117.60
Oct 11, 10:45 PM117.60
Oct 11, 9:45 PM117.60
Oct 11, 8:45 PM117.60
Oct 11, 7:45 PM117.61
Oct 11, 6:45 PM117.61
Oct 11, 5:45 PM117.61
Oct 11, 4:45 PM117.61
Oct 11, 3:45 PM117.61
Oct 11, 2:45 PM117.61
Oct 11, 1:45 PM117.61
Oct 11, 12:45 PM117.61
Oct 11, 11:45 AM117.61
Oct 11, 10:45 AM117.61
Oct 11, 9:45 AM117.61
Oct 11, 8:45 AM117.60
Oct 11, 7:45 AM117.59
Oct 11, 6:45 AM117.59
Oct 11, 5:45 AM117.59
Oct 11, 4:45 AM117.58
Oct 11, 3:45 AM117.58
Oct 11, 2:45 AM117.58
Oct 11, 1:45 AM117.58
Oct 11, 12:45 AM117.58
Oct 10, 11:45 PM117.58
Oct 10, 10:45 PM117.58
Oct 10, 9:45 PM117.59
Oct 10, 8:45 PM117.59
Oct 10, 7:45 PM117.59
Oct 10, 6:45 PM117.60
Oct 10, 5:45 PM117.60
Oct 10, 4:45 PM117.60
Oct 10, 3:45 PM117.60
Oct 10, 2:45 PM117.60
Oct 10, 1:45 PM117.60
Oct 10, 12:45 PM117.60
Oct 10, 11:45 AM117.60
Oct 10, 10:45 AM117.60
Oct 10, 9:45 AM117.60
Oct 10, 8:45 AM117.59
Oct 10, 7:45 AM117.59
Oct 10, 6:45 AM117.59
Oct 10, 5:45 AM117.59
Oct 10, 4:45 AM117.59
Oct 10, 3:45 AM117.59
Oct 10, 2:45 AM117.59
Oct 10, 1:45 AM117.59
Oct 10, 12:45 AM117.59
Oct 9, 11:45 PM117.59
Oct 9, 10:45 PM117.59
Oct 9, 9:45 PM117.59
Oct 9, 8:45 PM117.59
Oct 9, 7:45 PM117.59
Oct 9, 6:45 PM117.60
Oct 9, 5:45 PM117.60
Oct 9, 4:45 PM117.60
Oct 9, 3:45 PM117.60
Oct 9, 2:45 PM117.60
Oct 9, 1:45 PM117.60
Oct 9, 12:45 PM117.60
Oct 9, 11:45 AM117.60
Oct 9, 10:45 AM117.59
Oct 9, 9:45 AM117.59
Oct 9, 8:45 AM117.59
Oct 9, 7:45 AM117.59
Oct 9, 6:45 AM117.59
Oct 9, 5:45 AM117.59
Oct 9, 4:45 AM117.60
Oct 9, 3:45 AM117.60
Oct 9, 2:45 AM117.60
Oct 9, 1:45 AM117.60
Oct 9, 12:45 AM117.60
Oct 8, 11:45 PM117.60
Oct 8, 10:45 PM117.60
Oct 8, 9:45 PM117.60
Oct 8, 8:45 PM117.60
Water level, 30 days at USGS Stream Gage at Colgan Creek near Sebastopol: the water from 117.58 to 117.74 feet of stage, the latest 117.73 feet.WATER LEVEL, 30 DAYSFTHIGH 117.74 FT, OCT 13, 12:00 PM · LOW 117.58 FT, SEP 24, 5:45 AM117.55117.60117.65117.70117.75117.80Sep 16Sep 21Sep 26Oct 1Oct 6Oct 11117.73
Latest
117.73 ftOct 15, 8:15 PM
Highest
117.74 ftOct 13, 12:00 PM
Lowest
117.58 ftSep 24, 5:45 AM
Range
0.16 fthighest less lowest
Change
Rose 0.14 ftsince Sep 15, 8:45 PM
Readings
2,835
The readings these charts were drawn from, as a table
DayHigh ftLow ftAverage ftLast ftReadings
Oct 15117.74117.71117.73117.7382
Oct 14117.74117.71117.73117.7296
Oct 13117.74117.59117.69117.7296
Oct 12117.62117.59117.60117.6096
Oct 11117.61117.58117.60117.6096
Oct 10117.60117.58117.59117.5896
Oct 9117.60117.59117.60117.5996
Oct 8117.61117.59117.60117.6096
Oct 7117.61117.59117.60117.5996
Oct 6117.61117.59117.60117.5996
Oct 5117.60117.59117.60117.5996
Oct 4117.60117.59117.60117.5996
Oct 3117.61117.59117.60117.6096
Oct 2117.61117.59117.60117.6096
Oct 1117.61117.59117.60117.5996
Sep 30117.61117.59117.60117.5996
Sep 29117.61117.59117.60117.6096
Sep 28117.61117.58117.60117.5992
Sep 27117.60117.58117.59117.5896
Sep 26117.61117.58117.60117.6092
Sep 25117.60117.59117.59117.5996
Sep 24117.60117.58117.60117.5996
Sep 23117.61117.59117.60117.5996
Sep 22117.60117.59117.59117.5988
Sep 21117.60117.59117.59117.5996
Sep 20117.60117.59117.59117.5990
Sep 19117.60117.59117.59117.5982
Sep 18117.60117.59117.59117.5996
Sep 17117.60117.59117.59117.5992
Sep 16117.60117.59117.59117.5992
Sep 15117.59117.59117.59117.5913

How it reports

Schedule
every houron the hour's :15
Reports received, 24 hours
23 of 2495.8% of its schedule
Reports received, 7 days
167 of 16899.4% of its schedule
Longest silence, 7 days
2 hoursfrom Oct 15, 9:15 AM
Latest report
Oct 15, 8:15 PMlocal time
Time to reach Storm Station
20 min9 in 10 within 20 min

From Storm Station's own record of every report it heard from this station.

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

Ranking Statistics

247 score94.2of 100

California median
91.6the median score of 4,465 stations
Scoring higher
1,128stations in California
Sharing its score
128ranks 1,129 to 1,256
Points deducted
5.82.9 accuracy, 2.0 arrival, 0.8 forecast check, 0.2 reports received
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; California median 85.6, 100.0, 92.4
Next above
CMOC1rank 1,130; ahead on reports received 100% against 99.4%
Next below
BRWC1rank 1,204; behind on median arrival 19 min 48 s against 19 min 49 s
Sharing its rank
72other stations, equal on every measure

Equal scores are ordered by the share of scheduled reports received, then the reports due in the week (the longer record first), then the median arrival, then the longest silence.

  1. Reports receivedweight 3599.434.8 of 35 pointsCalifornia median 98.5167 of 168 scheduled reports received in 7 days
  2. Arrivalweight 1080.48.0 of 10 pointsCalifornia median 81.2half its reports arrived within 20 min
  3. Continuityweight 10100.010.0 of 10 pointsCalifornia median 100.0longest silence 2 h, on a schedule of one report every 60 min
  4. Accuracyweight 20-17.1 of 20 points, at the medianCalifornia median 85.6-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianCalifornia median 100.0-
  6. Forecast checkweight 10-9.2 of 10 points, at the medianCalifornia median 92.4-

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.

How each part is scored
Reports received
Full marks for every scheduled report received, none for none, in proportion between
Arrival
Full marks for a median arrival within 10 min, none at 60 min
Continuity
Full marks for a longest silence of 3 reports or less (3 h), none for 72 (72 h)
Accuracy
Full marks within 1.5 °F of its reference, typically, none beyond 8.0 °F
Instrument checks
Full marks for no reading failed, none for 5 per cent or more
Forecast check
Full marks within 2 °F of the forecast on average, none at 8 °F

Near USGS Stream Gage at Colgan Creek near Sebastopol

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 its 247 score, how reliably it reports and how its readings hold up: that is its 247 rank.