Storm Station

Live/Water/Washington/Chehalis River near Grand Mound

Chehalis River near Grand Mound

A gauge on the Chehalis River in Thurston County, Washington. Its stage was 129.68 ft as of Sep 27, 12:00 AM PDT.

Gauge CGMW1Thurston County, WashingtonEvery gauge in Washington

Stage now
129.68 ftreported Sep 27, 12:00 AM PDT
24 hour change
Rose 0.73 ftsince Sep 26, 12:00 AM
Rank
64of 618 in Washington, Sep 27
Elevation
164 ftabove sea level
County
Thurston County
Position
46.7833° N, 123.0333° W
Record since
2010

Water level

Chehalis River near Grand Mound

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 Chehalis River near Grand Mound: the water from 128.95 to 129.68 feet of stage, the latest 129.68 feet.WATER LEVEL, 24 HOURSFTHIGH 129.68 FT, SEP 26, 10:45 PM · LOW 128.95 FT, SEP 26, 12:45 AM128.8129.0129.2129.4129.6129.83 AM6 AM9 AM12 PM3 PM6 PM9 PMSep 27129.68
Latest
129.68 ftSep 27, 12:00 AM
Highest
129.68 ftSep 26, 10:45 PM
Lowest
128.95 ftSep 26, 12:45 AM
Range
0.73 fthighest less lowest
Change
Rose 0.73 ftsince Sep 26, 12:45 AM
Readings
94
The readings these charts were drawn from, as a table
TimeStage ft
Sep 27, 12:00 AM129.68
Sep 26, 11:45 PM129.68
Sep 26, 11:30 PM129.68
Sep 26, 11:15 PM129.68
Sep 26, 11:00 PM129.68
Sep 26, 10:45 PM129.68
Sep 26, 10:30 PM129.67
Sep 26, 10:15 PM129.67
Sep 26, 10:00 PM129.67
Sep 26, 9:45 PM129.67
Sep 26, 9:30 PM129.67
Sep 26, 9:15 PM129.66
Sep 26, 9:00 PM129.66
Sep 26, 8:45 PM129.66
Sep 26, 8:30 PM129.65
Sep 26, 8:15 PM129.65
Sep 26, 8:00 PM129.64
Sep 26, 7:45 PM129.64
Sep 26, 7:30 PM129.63
Sep 26, 7:15 PM129.63
Sep 26, 7:00 PM129.62
Sep 26, 6:45 PM129.62
Sep 26, 6:30 PM129.61
Sep 26, 6:15 PM129.60
Sep 26, 6:00 PM129.59
Sep 26, 5:45 PM129.58
Sep 26, 5:30 PM129.57
Sep 26, 5:15 PM129.55
Sep 26, 5:00 PM129.54
Sep 26, 4:45 PM129.53
Sep 26, 4:30 PM129.51
Sep 26, 4:15 PM129.50
Sep 26, 4:00 PM129.48
Sep 26, 3:45 PM129.46
Sep 26, 3:30 PM129.44
Sep 26, 3:15 PM129.42
Sep 26, 3:00 PM129.41
Sep 26, 2:45 PM129.39
Sep 26, 2:30 PM129.37
Sep 26, 2:15 PM129.35
Sep 26, 2:00 PM129.33
Sep 26, 1:45 PM129.31
Sep 26, 1:30 PM129.29
Sep 26, 1:15 PM129.27
Sep 26, 1:00 PM129.25
Sep 26, 12:45 PM129.24
Sep 26, 12:30 PM129.22
Sep 26, 12:15 PM129.21
Sep 26, 12:00 PM129.19
Sep 26, 11:45 AM129.18
Sep 26, 11:30 AM129.17
Sep 26, 11:15 AM129.16
Sep 26, 11:00 AM129.15
Sep 26, 10:45 AM129.14
Sep 26, 10:30 AM129.13
Sep 26, 10:15 AM129.12
Sep 26, 10:00 AM129.11
Sep 26, 9:45 AM129.11
Sep 26, 9:30 AM129.10
Sep 26, 9:15 AM129.10
Sep 26, 9:00 AM129.09
Sep 26, 8:45 AM129.08
Sep 26, 8:30 AM129.08
Sep 26, 8:15 AM129.07
Sep 26, 8:00 AM129.07
Sep 26, 7:45 AM129.06
Sep 26, 7:30 AM129.05
Sep 26, 7:15 AM129.05
Sep 26, 7:00 AM129.04
Sep 26, 6:45 AM129.04
Sep 26, 6:30 AM129.03
Sep 26, 6:15 AM129.03
Sep 26, 6:00 AM129.02
Sep 26, 5:45 AM129.02
Sep 26, 5:30 AM129.01
Sep 26, 5:15 AM129.01
Sep 26, 5:00 AM129.01
Sep 26, 4:45 AM129.00
Sep 26, 4:30 AM129.00
Sep 26, 4:15 AM128.99
Sep 26, 4:00 AM128.99
Sep 26, 3:45 AM128.99
Sep 26, 3:30 AM128.98
Sep 26, 3:15 AM128.98
Sep 26, 3:00 AM128.98
Sep 26, 2:45 AM128.97
Sep 26, 2:30 AM128.97
Sep 26, 2:15 AM128.97
Sep 26, 2:00 AM128.96
Sep 26, 1:45 AM128.96
Sep 26, 1:30 AM128.96
Sep 26, 1:15 AM128.96
Sep 26, 1:00 AM128.96
Sep 26, 12:45 AM128.95
Water level, 7 days at Chehalis River near Grand Mound: the water from 128.76 to 129.68 feet of stage, the latest 129.68 feet.WATER LEVEL, 7 DAYSFTHIGH 129.68 FT, SEP 26, 10:45 PM · LOW 128.76 FT, SEP 23, 9:45 AM128.8129.0129.3129.5129.8130.0Mon 21Tue 22Wed 23Thu 24Fri 25Sat 26Sun 27129.68
Latest
129.68 ftSep 27, 12:00 AM
Highest
129.68 ftSep 26, 10:45 PM
Lowest
128.76 ftSep 23, 9:45 AM
Range
0.92 fthighest less lowest
Change
Rose 0.85 ftsince Sep 20, 12:45 AM
Readings
650
The readings these charts were drawn from, as a table
TimeStage ft
Sep 27, 12:00 AM129.68
Sep 26, 11:45 PM129.68
Sep 26, 10:45 PM129.68
Sep 26, 9:45 PM129.67
Sep 26, 8:45 PM129.66
Sep 26, 7:45 PM129.64
Sep 26, 6:45 PM129.62
Sep 26, 5:45 PM129.58
Sep 26, 4:45 PM129.53
Sep 26, 3:45 PM129.46
Sep 26, 2:45 PM129.39
Sep 26, 1:45 PM129.31
Sep 26, 12:45 PM129.24
Sep 26, 11:45 AM129.18
Sep 26, 10:45 AM129.14
Sep 26, 9:45 AM129.11
Sep 26, 8:45 AM129.08
Sep 26, 7:45 AM129.06
Sep 26, 6:45 AM129.04
Sep 26, 5:45 AM129.02
Sep 26, 4:45 AM129.00
Sep 26, 3:45 AM128.99
Sep 26, 2:45 AM128.97
Sep 26, 1:45 AM128.96
Sep 26, 12:45 AM128.95
Sep 25, 11:45 PM128.95
Sep 25, 10:45 PM128.94
Sep 25, 9:45 PM128.93
Sep 25, 8:45 PM128.93
Sep 25, 7:45 PM128.93
Sep 25, 6:45 PM128.93
Sep 25, 5:45 PM128.94
Sep 25, 4:45 PM128.94
Sep 25, 3:45 PM128.94
Sep 25, 2:45 PM128.94
Sep 25, 1:45 PM128.95
Sep 25, 12:45 PM128.94
Sep 25, 11:45 AM128.94
Sep 25, 10:45 AM128.92
Sep 25, 9:45 AM128.91
Sep 25, 8:45 AM128.90
Sep 25, 7:45 AM128.90
Sep 25, 6:45 AM128.89
Sep 25, 5:45 AM128.89
Sep 25, 4:45 AM128.89
Sep 25, 3:45 AM128.89
Sep 25, 2:45 AM128.89
Sep 25, 1:45 AM128.89
Sep 25, 12:45 AM128.89
Sep 24, 11:45 PM128.89
Sep 24, 10:45 PM128.88
Sep 24, 9:45 PM128.86
Sep 24, 8:45 PM128.85
Sep 24, 7:45 PM128.83
Sep 24, 6:45 PM128.82
Sep 24, 5:45 PM128.82
Sep 24, 4:45 PM128.82
Sep 24, 3:45 PM128.82
Sep 24, 2:45 PM128.83
Sep 24, 1:45 PM128.83
Sep 24, 12:45 PM128.83
Sep 24, 11:45 AM128.83
Sep 24, 10:45 AM128.82
Sep 24, 9:45 AM128.82
Sep 24, 8:45 AM128.82
Sep 24, 7:45 AM128.82
Sep 24, 6:45 AM128.81
Sep 24, 5:45 AM128.81
Sep 24, 4:45 AM128.80
Sep 24, 3:45 AM128.80
Sep 24, 2:45 AM128.79
Sep 24, 1:45 AM128.78
Sep 24, 12:45 AM128.78
Sep 23, 11:45 PM128.77
Sep 23, 10:45 PM128.76
Sep 23, 9:00 PM128.76
Sep 23, 8:45 PM128.76
Sep 23, 7:45 PM128.76
Sep 23, 6:45 PM128.76
Sep 23, 5:45 PM128.76
Sep 23, 4:45 PM128.76
Sep 23, 3:45 PM128.76
Sep 23, 2:45 PM128.76
Sep 23, 1:45 PM128.76
Sep 23, 12:45 PM128.76
Sep 23, 11:45 AM128.76
Sep 23, 10:45 AM128.76
Sep 23, 9:45 AM128.76
Sep 23, 8:45 AM128.77
Sep 23, 7:45 AM128.77
Sep 23, 6:45 AM128.77
Sep 23, 5:45 AM128.77
Sep 23, 4:45 AM128.77
Sep 23, 3:45 AM128.78
Sep 23, 2:45 AM128.78
Sep 23, 1:45 AM128.79
Sep 23, 12:45 AM128.79
Sep 22, 11:45 PM128.79
Sep 22, 10:45 PM128.79
Sep 22, 9:45 PM128.80
Sep 22, 8:45 PM128.80
Sep 22, 7:45 PM128.81
Sep 22, 6:45 PM128.81
Sep 22, 5:45 PM128.82
Sep 22, 4:45 PM128.82
Sep 22, 3:45 PM128.82
Sep 22, 2:45 PM128.82
Sep 22, 1:45 PM128.82
Sep 22, 12:45 PM128.82
Sep 22, 11:45 AM128.82
Sep 22, 10:45 AM128.82
Sep 22, 9:45 AM128.82
Sep 22, 8:45 AM128.82
Sep 22, 7:45 AM128.82
Sep 22, 6:45 AM128.82
Sep 22, 5:45 AM128.82
Sep 22, 4:45 AM128.82
Sep 22, 3:00 AM128.82
Sep 22, 2:45 AM128.82
Sep 22, 1:45 AM128.82
Sep 22, 12:00 AM128.82
Sep 21, 11:45 PM128.82
Sep 21, 10:45 PM128.82
Sep 21, 9:45 PM128.82
Sep 21, 8:45 PM128.82
Sep 21, 7:45 PM128.83
Sep 21, 6:45 PM128.83
Sep 21, 5:45 PM128.83
Sep 21, 4:00 PM128.83
Sep 21, 3:45 PM128.83
Sep 21, 2:45 PM128.83
Sep 21, 1:45 PM128.83
Sep 21, 12:45 PM128.83
Sep 21, 11:45 AM128.82
Sep 21, 10:45 AM128.82
Sep 21, 9:45 AM128.82
Sep 21, 8:45 AM128.82
Sep 21, 7:45 AM128.82
Sep 21, 6:45 AM128.82
Sep 21, 5:45 AM128.82
Sep 21, 4:45 AM128.82
Sep 21, 3:45 AM128.82
Sep 21, 2:45 AM128.82
Sep 21, 1:45 AM128.82
Sep 21, 12:45 AM128.83
Sep 20, 11:45 PM128.83
Sep 20, 10:00 PM128.82
Sep 20, 9:45 PM128.82
Sep 20, 8:45 PM128.82
Sep 20, 7:45 PM128.82
Sep 20, 6:45 PM128.83
Sep 20, 5:45 PM128.83
Sep 20, 4:45 PM128.83
Sep 20, 3:45 PM128.83
Sep 20, 2:45 PM128.82
Sep 20, 1:45 PM128.83
Sep 20, 12:45 PM128.82
Sep 20, 11:45 AM128.82
Sep 20, 10:45 AM128.82
Sep 20, 9:45 AM128.82
Sep 20, 8:45 AM128.82
Sep 20, 7:45 AM128.82
Sep 20, 6:45 AM128.82
Sep 20, 5:45 AM128.82
Sep 20, 4:45 AM128.83
Sep 20, 3:45 AM128.83
Sep 20, 2:45 AM128.83
Sep 20, 1:45 AM128.83
Sep 20, 12:45 AM128.83

Left out: 130 readings the gauge sent that were not the water, the furthest 1,293.47 ft on Aug 31. A reading is left out when it leaps away from the water and straight back, sticks on one value, or swings with a gauge in ice or failing.

Water level, 30 days at Chehalis River near Grand Mound: the water from 128.75 to 1,000.68 feet of stage, the latest 129.68 feet.WATER LEVEL, 30 DAYSFTHIGH 1,000.68 FT, SEP 3, 10:15 AM · LOW 128.75 FT, SEP 3, 1:30 PM02505007501,0001,250Aug 28Sep 2Sep 7Sep 12Sep 17Sep 22129.68
Latest
129.68 ftSep 27, 12:00 AM
Highest
1,000.68 ftSep 3, 10:15 AM
Lowest
128.75 ftSep 3, 1:30 PM
Range
871.93 fthighest less lowest
Change
Fell 871.00 ftsince Sep 3, 10:15 AM
Readings
2,207
Left out
130not the water
The readings these charts were drawn from, as a table
DayHigh ftLow ftAverage ftLast ftReadings
Sep 27129.68129.68129.68129.681
Sep 26129.68128.95129.28129.6896
Sep 25128.95128.89128.92128.9596
Sep 24128.89128.77128.82128.8996
Sep 23128.79128.76128.77128.7792
Sep 22128.82128.79128.82128.7988
Sep 21128.83128.82128.82128.8292
Sep 20128.83128.82128.82128.8391
Sep 19128.85128.83128.84128.8477
Sep 18128.83128.82128.83128.8392
Sep 17128.88128.82128.84128.8292
Sep 16128.95128.88128.92128.8896
Sep 15129.01128.95128.98128.9596
Sep 14129.01128.88128.93129.0196
Sep 13128.88128.80128.86128.8896
Sep 12128.81128.78128.79128.8096
Sep 11128.85128.81128.84128.8196
Sep 10128.86128.85128.86128.8596
Sep 9128.90128.86128.88128.8692
Sep 8128.95128.90128.92128.9096
Sep 7129.00128.95128.97128.9596
Sep 6129.12129.00129.05129.0096
Sep 5129.28129.12129.21129.1296
Sep 4129.28128.92129.08129.2896
Sep 31,000.68128.75154.50128.9250

How it reports

Rank
64of 618 in Washington, Sep 27
Schedule
every houron the hour's :00
Reports received, 24 hours
24 of 24100% of its schedule
Reports received, 7 days
31 of 31100% of its schedule
Longest silence, 7 days
61 minfrom Sep 25, 11:59 PM
Latest report
Sep 26, 11:59 PMlocal time
Time to reach Storm Station
13 min9 in 10 within 14 min

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

Near Chehalis River near Grand Mound

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.