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Live/Water/California/Arroyo Simi near Simi

Arroyo Simi near Simi

A water gauge in Ventura County, California. Its stage was 2.69 ft as of Oct 15, 7:20 PM PDT.

Gauge ASNC1Ventura County, CaliforniaEvery gauge in California

Stage now
2.69 ftreported Oct 15, 7:20 PM PDT
24 hour change
No changesince Oct 14, 7:20 PM
Rank
4,111of 4,465 in California, Oct 16
Elevation
725 ftabove sea level
County
Ventura County
Position
34.2774° N, 118.7955° W
Record since
2010

Water level

Arroyo Simi near Simi

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 Arroyo Simi near Simi: the water from 2.68 to 2.70 feet of stage, the latest 2.69 feet.WATER LEVEL, 24 HOURSFTHIGH 2.70 FT, OCT 15, 1:05 AM · LOW 2.68 FT, OCT 15, 11:15 AM2.642.662.682.702.722.749 PMOct 153 AM6 AM9 AM12 PM3 PM6 PM2.69
Latest
2.69 ftOct 15, 7:20 PM
Highest
2.70 ftOct 15, 1:05 AM
Lowest
2.68 ftOct 15, 11:15 AM
Range
0.02 fthighest less lowest
Change
No changesince Oct 14, 7:45 PM
Readings
283
The readings these charts were drawn from, as a table
TimeStage ft
Oct 15, 7:20 PM2.69
Oct 15, 7:15 PM2.69
Oct 15, 7:10 PM2.69
Oct 15, 7:05 PM2.69
Oct 15, 7:00 PM2.69
Oct 15, 6:55 PM2.69
Oct 15, 6:50 PM2.69
Oct 15, 6:45 PM2.69
Oct 15, 6:40 PM2.68
Oct 15, 6:35 PM2.69
Oct 15, 6:30 PM2.69
Oct 15, 6:25 PM2.69
Oct 15, 6:20 PM2.69
Oct 15, 6:15 PM2.68
Oct 15, 6:10 PM2.68
Oct 15, 6:05 PM2.68
Oct 15, 6:00 PM2.68
Oct 15, 5:55 PM2.68
Oct 15, 5:50 PM2.68
Oct 15, 5:45 PM2.68
Oct 15, 5:40 PM2.68
Oct 15, 5:35 PM2.68
Oct 15, 5:30 PM2.69
Oct 15, 5:25 PM2.68
Oct 15, 5:20 PM2.69
Oct 15, 5:15 PM2.68
Oct 15, 5:10 PM2.68
Oct 15, 5:05 PM2.68
Oct 15, 5:00 PM2.68
Oct 15, 4:55 PM2.68
Oct 15, 4:50 PM2.68
Oct 15, 4:45 PM2.69
Oct 15, 4:40 PM2.68
Oct 15, 4:35 PM2.69
Oct 15, 4:30 PM2.69
Oct 15, 4:25 PM2.68
Oct 15, 4:20 PM2.68
Oct 15, 4:15 PM2.68
Oct 15, 4:10 PM2.68
Oct 15, 4:05 PM2.68
Oct 15, 4:00 PM2.68
Oct 15, 3:55 PM2.68
Oct 15, 3:50 PM2.68
Oct 15, 3:45 PM2.68
Oct 15, 3:40 PM2.68
Oct 15, 3:35 PM2.68
Oct 15, 3:30 PM2.68
Oct 15, 3:25 PM2.68
Oct 15, 3:20 PM2.68
Oct 15, 3:15 PM2.68
Oct 15, 3:10 PM2.68
Oct 15, 3:05 PM2.68
Oct 15, 3:00 PM2.68
Oct 15, 2:55 PM2.68
Oct 15, 2:50 PM2.68
Oct 15, 2:45 PM2.68
Oct 15, 2:40 PM2.68
Oct 15, 2:35 PM2.68
Oct 15, 2:30 PM2.68
Oct 15, 2:25 PM2.68
Oct 15, 2:20 PM2.69
Oct 15, 2:15 PM2.69
Oct 15, 2:10 PM2.69
Oct 15, 2:05 PM2.68
Oct 15, 2:00 PM2.68
Oct 15, 1:55 PM2.68
Oct 15, 1:50 PM2.68
Oct 15, 1:45 PM2.68
Oct 15, 1:40 PM2.68
Oct 15, 1:35 PM2.68
Oct 15, 1:30 PM2.68
Oct 15, 1:25 PM2.68
Oct 15, 1:20 PM2.68
Oct 15, 1:15 PM2.69
Oct 15, 1:10 PM2.68
Oct 15, 1:05 PM2.68
Oct 15, 1:00 PM2.68
Oct 15, 12:55 PM2.68
Oct 15, 12:50 PM2.68
Oct 15, 12:45 PM2.68
Oct 15, 12:40 PM2.68
Oct 15, 12:35 PM2.68
Oct 15, 12:30 PM2.68
Oct 15, 12:25 PM2.69
Oct 15, 12:20 PM2.69
Oct 15, 12:15 PM2.69
Oct 15, 12:10 PM2.68
Oct 15, 12:05 PM2.68
Oct 15, 12:00 PM2.68
Oct 15, 11:55 AM2.68
Oct 15, 11:50 AM2.68
Oct 15, 11:45 AM2.68
Oct 15, 11:40 AM2.69
Oct 15, 11:35 AM2.69
Oct 15, 11:30 AM2.68
Oct 15, 11:25 AM2.68
Oct 15, 11:20 AM2.69
Oct 15, 11:15 AM2.68
Oct 15, 11:10 AM2.69
Oct 15, 11:05 AM2.69
Oct 15, 11:00 AM2.69
Oct 15, 10:55 AM2.69
Oct 15, 10:50 AM2.69
Oct 15, 10:45 AM2.69
Oct 15, 10:40 AM2.69
Oct 15, 10:35 AM2.69
Oct 15, 10:30 AM2.69
Oct 15, 10:25 AM2.69
Oct 15, 10:20 AM2.69
Oct 15, 10:15 AM2.69
Oct 15, 10:10 AM2.69
Oct 15, 10:05 AM2.69
Oct 15, 10:00 AM2.69
Oct 15, 9:55 AM2.69
Oct 15, 9:50 AM2.69
Oct 15, 9:45 AM2.69
Oct 15, 9:40 AM2.69
Oct 15, 9:35 AM2.69
Oct 15, 9:30 AM2.69
Oct 15, 9:25 AM2.69
Oct 15, 9:20 AM2.69
Oct 15, 9:15 AM2.69
Oct 15, 9:10 AM2.69
Oct 15, 9:05 AM2.69
Oct 15, 9:00 AM2.69
Oct 15, 8:55 AM2.69
Oct 15, 8:50 AM2.69
Oct 15, 8:45 AM2.69
Oct 15, 8:40 AM2.69
Oct 15, 8:35 AM2.69
Oct 15, 8:30 AM2.69
Oct 15, 8:25 AM2.69
Oct 15, 8:20 AM2.69
Oct 15, 8:15 AM2.70
Oct 15, 8:10 AM2.69
Oct 15, 8:05 AM2.70
Oct 15, 8:00 AM2.69
Oct 15, 7:55 AM2.69
Oct 15, 7:50 AM2.70
Oct 15, 7:45 AM2.69
Oct 15, 7:40 AM2.70
Oct 15, 7:35 AM2.70
Oct 15, 7:30 AM2.70
Oct 15, 7:25 AM2.70
Oct 15, 7:20 AM2.70
Oct 15, 7:15 AM2.70
Oct 15, 7:10 AM2.70
Oct 15, 7:05 AM2.69
Oct 15, 7:00 AM2.70
Oct 15, 6:55 AM2.69
Oct 15, 6:50 AM2.69
Oct 15, 6:45 AM2.70
Oct 15, 6:40 AM2.69
Oct 15, 6:35 AM2.69
Oct 15, 6:30 AM2.69
Oct 15, 6:25 AM2.69
Oct 15, 6:20 AM2.69
Oct 15, 6:15 AM2.69
Oct 15, 6:10 AM2.69
Oct 15, 6:05 AM2.69
Oct 15, 6:00 AM2.69
Oct 15, 5:55 AM2.69
Oct 15, 5:50 AM2.69
Oct 15, 5:45 AM2.69
Oct 15, 5:40 AM2.69
Oct 15, 5:35 AM2.69
Oct 15, 5:30 AM2.70
Oct 15, 5:25 AM2.70
Oct 15, 5:20 AM2.69
Oct 15, 5:15 AM2.70
Oct 15, 5:10 AM2.70
Oct 15, 5:05 AM2.70
Oct 15, 5:00 AM2.70
Oct 15, 4:55 AM2.70
Oct 15, 4:50 AM2.70
Oct 15, 4:45 AM2.70
Oct 15, 4:40 AM2.70
Oct 15, 4:35 AM2.70
Oct 15, 4:30 AM2.69
Oct 15, 4:25 AM2.70
Oct 15, 4:20 AM2.70
Oct 15, 4:15 AM2.70
Oct 15, 4:10 AM2.70
Oct 15, 4:05 AM2.70
Oct 15, 4:00 AM2.70
Oct 15, 3:55 AM2.70
Oct 15, 3:50 AM2.70
Oct 15, 3:45 AM2.70
Oct 15, 3:40 AM2.70
Oct 15, 3:35 AM2.70
Oct 15, 3:30 AM2.70
Oct 15, 3:25 AM2.70
Oct 15, 3:20 AM2.70
Oct 15, 3:15 AM2.70
Oct 15, 3:10 AM2.70
Oct 15, 3:05 AM2.70
Oct 15, 3:00 AM2.70
Oct 15, 2:55 AM2.70
Oct 15, 2:50 AM2.70
Oct 15, 2:45 AM2.70
Oct 15, 2:40 AM2.70
Oct 15, 2:35 AM2.70
Oct 15, 2:30 AM2.70
Oct 15, 2:25 AM2.70
Oct 15, 2:20 AM2.70
Oct 15, 2:15 AM2.70
Oct 15, 2:10 AM2.70
Oct 15, 2:05 AM2.70
Oct 15, 2:00 AM2.70
Oct 15, 1:55 AM2.70
Oct 15, 1:50 AM2.70
Oct 15, 1:45 AM2.70
Oct 15, 1:40 AM2.70
Oct 15, 1:35 AM2.70
Oct 15, 1:30 AM2.70
Oct 15, 1:25 AM2.70
Oct 15, 1:20 AM2.69
Oct 15, 1:15 AM2.70
Oct 15, 1:10 AM2.69
Oct 15, 1:05 AM2.70
Oct 15, 1:00 AM2.69
Oct 15, 12:55 AM2.69
Oct 15, 12:50 AM2.69
Oct 15, 12:40 AM2.69
Oct 15, 12:35 AM2.69
Oct 15, 12:30 AM2.69
Oct 15, 12:25 AM2.69
Oct 15, 12:20 AM2.69
Oct 15, 12:15 AM2.69
Oct 15, 12:10 AM2.69
Oct 15, 12:05 AM2.69
Oct 15, 12:00 AM2.69
Oct 14, 11:55 PM2.69
Oct 14, 11:50 PM2.69
Oct 14, 11:45 PM2.69
Oct 14, 11:40 PM2.69
Oct 14, 11:35 PM2.69
Oct 14, 11:30 PM2.69
Oct 14, 11:25 PM2.69
Oct 14, 11:20 PM2.69
Oct 14, 11:15 PM2.69
Oct 14, 11:10 PM2.69
Oct 14, 11:05 PM2.69
Oct 14, 11:00 PM2.69
Oct 14, 10:55 PM2.69
Oct 14, 10:50 PM2.69
Oct 14, 10:45 PM2.69
Oct 14, 10:40 PM2.69
Oct 14, 10:35 PM2.69
Oct 14, 10:30 PM2.69
Oct 14, 10:25 PM2.69
Oct 14, 10:20 PM2.69
Oct 14, 10:15 PM2.69
Oct 14, 10:10 PM2.69
Oct 14, 10:05 PM2.69
Oct 14, 10:00 PM2.69
Oct 14, 9:55 PM2.69
Oct 14, 9:50 PM2.69
Oct 14, 9:45 PM2.69
Oct 14, 9:40 PM2.69
Oct 14, 9:35 PM2.69
Oct 14, 9:30 PM2.69
Oct 14, 9:25 PM2.69
Oct 14, 9:20 PM2.69
Oct 14, 9:15 PM2.69
Oct 14, 9:10 PM2.69
Oct 14, 9:05 PM2.69
Oct 14, 9:00 PM2.69
Oct 14, 8:55 PM2.69
Oct 14, 8:50 PM2.69
Oct 14, 8:45 PM2.69
Oct 14, 8:40 PM2.69
Oct 14, 8:35 PM2.69
Oct 14, 8:30 PM2.69
Oct 14, 8:25 PM2.69
Oct 14, 8:20 PM2.69
Oct 14, 8:15 PM2.69
Oct 14, 8:10 PM2.69
Oct 14, 8:05 PM2.69
Oct 14, 8:00 PM2.69
Oct 14, 7:55 PM2.69
Oct 14, 7:50 PM2.69
Oct 14, 7:45 PM2.69
Water level, 7 days at Arroyo Simi near Simi: the water from 2.68 to 2.70 feet of stage, the latest 2.69 feet.WATER LEVEL, 7 DAYSFTHIGH 2.70 FT, OCT 10, 3:25 AM · LOW 2.68 FT, OCT 15, 11:15 AM2.642.662.682.702.722.74Fri 9Sat 10Sun 11Mon 12Tue 13Wed 14Thu 152.69
Latest
2.69 ftOct 15, 7:20 PM
Highest
2.70 ftOct 10, 3:25 AM
Lowest
2.68 ftOct 15, 11:15 AM
Range
0.02 fthighest less lowest
Change
No changesince Oct 8, 7:45 PM
Readings
1,744
The readings these charts were drawn from, as a table
TimeStage ft
Oct 15, 7:20 PM2.69
Oct 15, 6:55 PM2.69
Oct 15, 5:55 PM2.68
Oct 15, 4:55 PM2.68
Oct 15, 3:55 PM2.68
Oct 15, 2:55 PM2.68
Oct 15, 1:55 PM2.68
Oct 15, 12:55 PM2.68
Oct 15, 11:55 AM2.68
Oct 15, 10:55 AM2.69
Oct 15, 9:55 AM2.69
Oct 15, 8:55 AM2.69
Oct 15, 7:55 AM2.69
Oct 15, 6:55 AM2.69
Oct 15, 5:55 AM2.69
Oct 15, 4:55 AM2.70
Oct 15, 3:55 AM2.70
Oct 15, 2:55 AM2.70
Oct 15, 1:55 AM2.70
Oct 15, 12:55 AM2.69
Oct 14, 11:55 PM2.69
Oct 14, 10:55 PM2.69
Oct 14, 9:55 PM2.69
Oct 14, 8:55 PM2.69
Oct 14, 7:55 PM2.69
Oct 14, 6:55 PM2.69
Oct 14, 5:55 PM2.69
Oct 14, 4:55 PM2.69
Oct 14, 3:55 PM2.69
Oct 14, 2:55 PM2.69
Oct 14, 1:55 PM2.69
Oct 14, 12:55 PM2.69
Oct 14, 11:55 AM2.69
Oct 14, 10:55 AM2.70
Oct 14, 9:55 AM2.70
Oct 14, 8:55 AM2.70
Oct 14, 7:55 AM2.70
Oct 14, 6:55 AM2.70
Oct 14, 5:55 AM2.70
Oct 14, 4:55 AM2.70
Oct 14, 3:55 AM2.70
Oct 14, 2:55 AM2.70
Oct 14, 1:55 AM2.70
Oct 14, 12:55 AM2.70
Oct 13, 11:55 PM2.70
Oct 13, 10:55 PM2.70
Oct 13, 9:55 PM2.70
Oct 13, 8:55 PM2.70
Oct 13, 7:55 PM2.70
Oct 13, 6:55 PM2.70
Oct 13, 5:55 PM2.70
Oct 13, 4:55 PM2.69
Oct 13, 3:55 PM2.69
Oct 13, 2:55 PM2.70
Oct 13, 1:55 PM2.69
Oct 13, 12:55 PM2.70
Oct 13, 11:55 AM2.70
Oct 13, 10:55 AM2.70
Oct 12, 12:05 PM2.70
Oct 12, 11:55 AM2.70
Oct 12, 10:55 AM2.70
Oct 12, 9:55 AM2.70
Oct 12, 8:55 AM2.70
Oct 12, 7:55 AM2.70
Oct 12, 6:55 AM2.70
Oct 12, 5:55 AM2.70
Oct 12, 4:55 AM2.70
Oct 12, 3:55 AM2.70
Oct 12, 2:55 AM2.70
Oct 12, 1:55 AM2.70
Oct 12, 12:55 AM2.70
Oct 11, 11:55 PM2.70
Oct 11, 10:55 PM2.70
Oct 11, 9:55 PM2.70
Oct 11, 8:55 PM2.70
Oct 11, 7:55 PM2.70
Oct 11, 6:55 PM2.70
Oct 11, 5:55 PM2.70
Oct 11, 4:55 PM2.70
Oct 11, 3:55 PM2.70
Oct 11, 2:55 PM2.70
Oct 11, 1:55 PM2.70
Oct 11, 12:55 PM2.70
Oct 11, 11:55 AM2.70
Oct 11, 10:55 AM2.70
Oct 11, 9:55 AM2.70
Oct 11, 8:55 AM2.70
Oct 11, 7:55 AM2.70
Oct 11, 6:55 AM2.70
Oct 11, 5:55 AM2.70
Oct 11, 4:55 AM2.70
Oct 11, 3:55 AM2.70
Oct 11, 2:55 AM2.70
Oct 11, 1:55 AM2.70
Oct 11, 12:55 AM2.70
Oct 10, 11:55 PM2.70
Oct 10, 10:55 PM2.70
Oct 10, 9:55 PM2.70
Oct 10, 8:55 PM2.70
Oct 10, 7:55 PM2.70
Oct 10, 6:55 PM2.70
Oct 10, 5:55 PM2.70
Oct 10, 4:55 PM2.70
Oct 10, 3:55 PM2.70
Oct 10, 2:55 PM2.70
Oct 10, 1:55 PM2.70
Oct 10, 12:55 PM2.70
Oct 10, 11:55 AM2.70
Oct 10, 10:55 AM2.70
Oct 10, 9:55 AM2.70
Oct 10, 8:55 AM2.70
Oct 10, 7:55 AM2.70
Oct 10, 6:55 AM2.70
Oct 10, 5:55 AM2.70
Oct 10, 4:55 AM2.70
Oct 10, 3:55 AM2.70
Oct 10, 2:55 AM2.69
Oct 10, 1:55 AM2.69
Oct 10, 12:55 AM2.69
Oct 9, 11:55 PM2.69
Oct 9, 10:55 PM2.69
Oct 9, 9:55 PM2.69
Oct 9, 8:55 PM2.69
Oct 9, 7:55 PM2.69
Oct 9, 6:55 PM2.69
Oct 9, 5:55 PM2.69
Oct 9, 4:55 PM2.69
Oct 9, 3:55 PM2.69
Oct 9, 2:55 PM2.69
Oct 9, 1:55 PM2.69
Oct 9, 12:55 PM2.69
Oct 9, 11:55 AM2.69
Oct 9, 10:55 AM2.69
Oct 9, 9:55 AM2.69
Oct 9, 8:55 AM2.69
Oct 9, 7:55 AM2.69
Oct 9, 6:55 AM2.69
Oct 9, 5:55 AM2.69
Oct 9, 4:55 AM2.69
Oct 9, 3:55 AM2.69
Oct 9, 2:55 AM2.69
Oct 9, 1:55 AM2.69
Oct 9, 12:55 AM2.69
Oct 8, 11:55 PM2.69
Oct 8, 10:55 PM2.69
Oct 8, 9:55 PM2.69
Oct 8, 8:55 PM2.69
Oct 8, 7:55 PM2.69
Water level, 30 days at Arroyo Simi near Simi: the water from 2.68 to 2.70 feet of stage, the latest 2.69 feet.WATER LEVEL, 30 DAYSFTHIGH 2.70 FT, SEP 24, 10:25 AM · LOW 2.68 FT, SEP 15, 7:45 PM2.642.662.682.702.722.74Sep 16Sep 21Sep 26Oct 1Oct 6Oct 112.69
Latest
2.69 ftOct 15, 7:20 PM
Highest
2.70 ftSep 24, 10:25 AM
Lowest
2.68 ftSep 15, 7:45 PM
Range
0.02 fthighest less lowest
Change
Rose 0.01 ftsince Sep 15, 7:45 PM
Readings
8,274
The readings these charts were drawn from, as a table
DayHigh ftLow ftAverage ftLast ftReadings
Oct 152.702.682.692.69232
Oct 142.702.692.692.69288
Oct 132.702.692.702.70163
Oct 122.702.702.702.70146
Oct 112.702.702.702.70288
Oct 102.702.692.702.70288
Oct 92.692.692.692.69288
Oct 82.692.682.692.69285
Oct 72.692.682.692.69284
Oct 62.692.692.692.69287
Oct 52.702.682.692.69282
Oct 42.692.692.692.69286
Oct 32.702.692.692.69285
Oct 22.702.692.692.69288
Oct 12.702.692.702.70284
Sep 302.702.692.702.69286
Sep 292.702.692.702.69281
Sep 282.702.692.702.70282
Sep 272.692.692.692.69288
Sep 262.702.692.702.69286
Sep 252.692.682.692.69286
Sep 242.702.682.682.68283
Sep 232.692.682.682.68284
Sep 222.692.682.682.68283
Sep 212.682.682.682.68284
Sep 202.692.682.682.68285
Sep 192.682.682.682.68282
Sep 182.692.682.682.68278
Sep 172.682.682.682.68281
Sep 162.682.682.682.68280
Sep 152.682.682.682.6851

How it reports

Rank
4,111of 4,465 in California, Oct 16
Schedule
every 10 min
Reports received, 24 hours
111 of 14477.0% of its schedule, 138 reports in all
Reports received, 7 days
645 of 1,00863.9% of its schedule, 867 reports in all
Longest silence, 7 days
22 h 30 minfrom Oct 12, 12:05 PM
Latest report
Oct 15, 7:15 PMlocal time
Time to reach Storm Station
24 min9 in 10 within 25 min

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

Its schedule is one report every 10 min, 144 in 24 hours. Two reports in the same 10 min count as one received.

Ranking Statistics

247 score71.0of 100

California median
91.6the median score of 4,465 stations
Scoring higher
4,110stations in California
Sharing its score
1no other station
Points deducted
29.012.6 reports received, 10.0 continuity, 2.9 accuracy, 2.8 arrival, 0.8 forecast check
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; California median 85.6, 100.0, 92.4
Next above
OHCC1rank 4,110; ahead on 247 score 71.1 against 71.0
Next below
BHCC1rank 4,112; behind on 247 score 71.0 against 70.9

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 3564.122.4 of 35 pointsCalifornia median 98.5646 of 1,008 scheduled reports received in 7 days
  2. Arrivalweight 1071.97.2 of 10 pointsCalifornia median 81.2half its reports arrived within 24 min
  3. Continuityweight 100.00.0 of 10 pointsCalifornia median 100.0longest silence 22.5 h, on a schedule of one report every 10 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 (30 min), none for 72 (12 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 Arroyo Simi near Simi

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.