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Live/Water/Maryland/Owings Mills

Owings Mills

A water gauge in Baltimore County, Maryland. Its stage was 1.14 ft as of Oct 15, 10:05 PM EDT.

Gauge ONGM2Baltimore County, MarylandEvery gauge in Maryland

Stage now
1.14 ftreported Oct 15, 10:05 PM EDT
24 hour change
Fell 0.01 ftsince Oct 14, 10:05 PM
Elevation
466 ftabove sea level
County
Baltimore County
Position
39.3978° N, 76.7608° W
Record since
2019

Water level

Owings Mills

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 Owings Mills: the water from 1.12 to 1.16 feet of stage, the latest 1.14 feet.WATER LEVEL, 24 HOURSFTHIGH 1.16 FT, OCT 14, 11:35 PM · LOW 1.12 FT, OCT 15, 2:40 PM1.071.101.131.151.181.201.23Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM1.14
Latest
1.14 ftOct 15, 10:05 PM
Highest
1.16 ftOct 14, 11:35 PM
Lowest
1.12 ftOct 15, 2:40 PM
Range
0.04 fthighest less lowest
Change
Fell 0.01 ftsince Oct 14, 10:45 PM
Readings
281
The readings these charts were drawn from, as a table
TimeStage ft
Oct 15, 10:05 PM1.14
Oct 15, 10:00 PM1.14
Oct 15, 9:55 PM1.14
Oct 15, 9:50 PM1.14
Oct 15, 9:45 PM1.14
Oct 15, 9:40 PM1.14
Oct 15, 9:35 PM1.14
Oct 15, 9:30 PM1.14
Oct 15, 9:25 PM1.14
Oct 15, 9:20 PM1.14
Oct 15, 9:15 PM1.14
Oct 15, 9:10 PM1.14
Oct 15, 9:05 PM1.14
Oct 15, 9:00 PM1.14
Oct 15, 8:55 PM1.14
Oct 15, 8:50 PM1.14
Oct 15, 8:45 PM1.14
Oct 15, 8:40 PM1.14
Oct 15, 8:35 PM1.14
Oct 15, 8:30 PM1.14
Oct 15, 8:25 PM1.14
Oct 15, 8:20 PM1.14
Oct 15, 8:15 PM1.13
Oct 15, 8:10 PM1.14
Oct 15, 8:05 PM1.14
Oct 15, 8:00 PM1.13
Oct 15, 7:55 PM1.14
Oct 15, 7:50 PM1.14
Oct 15, 7:45 PM1.13
Oct 15, 7:40 PM1.13
Oct 15, 7:35 PM1.14
Oct 15, 7:30 PM1.13
Oct 15, 7:25 PM1.13
Oct 15, 7:20 PM1.14
Oct 15, 7:15 PM1.14
Oct 15, 7:10 PM1.13
Oct 15, 7:05 PM1.14
Oct 15, 7:00 PM1.13
Oct 15, 6:55 PM1.13
Oct 15, 6:50 PM1.14
Oct 15, 6:45 PM1.14
Oct 15, 6:40 PM1.14
Oct 15, 6:35 PM1.14
Oct 15, 6:30 PM1.14
Oct 15, 6:25 PM1.14
Oct 15, 6:20 PM1.14
Oct 15, 6:15 PM1.13
Oct 15, 6:10 PM1.14
Oct 15, 6:05 PM1.14
Oct 15, 6:00 PM1.13
Oct 15, 5:55 PM1.13
Oct 15, 5:50 PM1.13
Oct 15, 5:45 PM1.13
Oct 15, 5:40 PM1.13
Oct 15, 5:35 PM1.13
Oct 15, 5:30 PM1.13
Oct 15, 5:25 PM1.13
Oct 15, 5:20 PM1.13
Oct 15, 5:15 PM1.12
Oct 15, 5:10 PM1.13
Oct 15, 5:05 PM1.13
Oct 15, 5:00 PM1.13
Oct 15, 4:55 PM1.13
Oct 15, 4:50 PM1.13
Oct 15, 4:45 PM1.13
Oct 15, 4:40 PM1.12
Oct 15, 4:35 PM1.12
Oct 15, 4:30 PM1.12
Oct 15, 4:25 PM1.12
Oct 15, 4:20 PM1.12
Oct 15, 4:15 PM1.12
Oct 15, 4:10 PM1.12
Oct 15, 4:05 PM1.12
Oct 15, 4:00 PM1.12
Oct 15, 3:55 PM1.12
Oct 15, 3:50 PM1.12
Oct 15, 3:45 PM1.12
Oct 15, 3:40 PM1.12
Oct 15, 3:35 PM1.12
Oct 15, 3:30 PM1.12
Oct 15, 3:25 PM1.12
Oct 15, 3:20 PM1.12
Oct 15, 3:15 PM1.12
Oct 15, 3:10 PM1.12
Oct 15, 3:05 PM1.13
Oct 15, 3:00 PM1.13
Oct 15, 2:55 PM1.12
Oct 15, 2:50 PM1.12
Oct 15, 2:45 PM1.13
Oct 15, 2:40 PM1.12
Oct 15, 2:35 PM1.13
Oct 15, 2:30 PM1.13
Oct 15, 2:25 PM1.13
Oct 15, 2:20 PM1.13
Oct 15, 2:15 PM1.13
Oct 15, 2:10 PM1.13
Oct 15, 2:05 PM1.13
Oct 15, 2:00 PM1.13
Oct 15, 1:55 PM1.13
Oct 15, 1:50 PM1.13
Oct 15, 1:45 PM1.13
Oct 15, 1:40 PM1.13
Oct 15, 1:35 PM1.13
Oct 15, 1:30 PM1.13
Oct 15, 1:25 PM1.13
Oct 15, 1:20 PM1.13
Oct 15, 1:15 PM1.13
Oct 15, 1:10 PM1.14
Oct 15, 1:05 PM1.13
Oct 15, 1:00 PM1.14
Oct 15, 12:55 PM1.14
Oct 15, 12:50 PM1.14
Oct 15, 12:45 PM1.14
Oct 15, 12:40 PM1.14
Oct 15, 12:35 PM1.14
Oct 15, 12:30 PM1.13
Oct 15, 12:25 PM1.13
Oct 15, 12:20 PM1.14
Oct 15, 12:15 PM1.13
Oct 15, 12:10 PM1.13
Oct 15, 12:05 PM1.13
Oct 15, 12:00 PM1.13
Oct 15, 11:55 AM1.13
Oct 15, 11:50 AM1.13
Oct 15, 11:45 AM1.13
Oct 15, 11:40 AM1.13
Oct 15, 11:35 AM1.13
Oct 15, 11:30 AM1.13
Oct 15, 11:25 AM1.13
Oct 15, 11:20 AM1.13
Oct 15, 11:15 AM1.13
Oct 15, 11:10 AM1.13
Oct 15, 11:05 AM1.14
Oct 15, 11:00 AM1.14
Oct 15, 10:55 AM1.13
Oct 15, 10:50 AM1.13
Oct 15, 10:45 AM1.13
Oct 15, 10:40 AM1.13
Oct 15, 10:35 AM1.13
Oct 15, 10:30 AM1.14
Oct 15, 10:25 AM1.14
Oct 15, 10:20 AM1.14
Oct 15, 10:15 AM1.14
Oct 15, 10:10 AM1.14
Oct 15, 10:05 AM1.13
Oct 15, 10:00 AM1.13
Oct 15, 9:55 AM1.13
Oct 15, 9:50 AM1.13
Oct 15, 9:45 AM1.13
Oct 15, 9:40 AM1.13
Oct 15, 9:35 AM1.13
Oct 15, 9:30 AM1.13
Oct 15, 9:25 AM1.13
Oct 15, 9:20 AM1.13
Oct 15, 9:15 AM1.13
Oct 15, 9:10 AM1.13
Oct 15, 9:05 AM1.13
Oct 15, 9:00 AM1.13
Oct 15, 8:55 AM1.13
Oct 15, 8:50 AM1.14
Oct 15, 8:45 AM1.13
Oct 15, 8:40 AM1.14
Oct 15, 8:35 AM1.14
Oct 15, 8:30 AM1.14
Oct 15, 8:25 AM1.14
Oct 15, 8:20 AM1.14
Oct 15, 8:15 AM1.14
Oct 15, 8:10 AM1.14
Oct 15, 8:05 AM1.14
Oct 15, 8:00 AM1.14
Oct 15, 7:55 AM1.14
Oct 15, 7:50 AM1.14
Oct 15, 7:45 AM1.14
Oct 15, 7:40 AM1.14
Oct 15, 7:35 AM1.14
Oct 15, 7:30 AM1.14
Oct 15, 7:25 AM1.14
Oct 15, 7:20 AM1.14
Oct 15, 7:15 AM1.14
Oct 15, 7:10 AM1.14
Oct 15, 7:05 AM1.14
Oct 15, 7:00 AM1.14
Oct 15, 6:55 AM1.14
Oct 15, 6:50 AM1.14
Oct 15, 6:45 AM1.14
Oct 15, 6:40 AM1.14
Oct 15, 6:35 AM1.14
Oct 15, 6:30 AM1.14
Oct 15, 6:25 AM1.14
Oct 15, 6:20 AM1.14
Oct 15, 6:15 AM1.14
Oct 15, 6:10 AM1.14
Oct 15, 6:05 AM1.14
Oct 15, 6:00 AM1.14
Oct 15, 5:55 AM1.14
Oct 15, 5:50 AM1.14
Oct 15, 5:45 AM1.14
Oct 15, 5:40 AM1.14
Oct 15, 5:35 AM1.14
Oct 15, 5:30 AM1.14
Oct 15, 5:25 AM1.14
Oct 15, 5:20 AM1.14
Oct 15, 5:15 AM1.14
Oct 15, 5:10 AM1.14
Oct 15, 5:05 AM1.14
Oct 15, 5:00 AM1.14
Oct 15, 4:55 AM1.14
Oct 15, 4:50 AM1.14
Oct 15, 4:45 AM1.14
Oct 15, 4:40 AM1.14
Oct 15, 4:35 AM1.14
Oct 15, 4:30 AM1.14
Oct 15, 4:25 AM1.14
Oct 15, 4:20 AM1.14
Oct 15, 4:15 AM1.15
Oct 15, 4:10 AM1.14
Oct 15, 4:05 AM1.14
Oct 15, 4:00 AM1.14
Oct 15, 3:55 AM1.14
Oct 15, 3:50 AM1.15
Oct 15, 3:45 AM1.15
Oct 15, 3:40 AM1.15
Oct 15, 3:35 AM1.15
Oct 15, 3:30 AM1.15
Oct 15, 3:25 AM1.15
Oct 15, 3:20 AM1.15
Oct 15, 3:15 AM1.15
Oct 15, 3:10 AM1.15
Oct 15, 3:05 AM1.15
Oct 15, 3:00 AM1.15
Oct 15, 2:55 AM1.15
Oct 15, 2:50 AM1.15
Oct 15, 2:45 AM1.15
Oct 15, 2:40 AM1.15
Oct 15, 2:35 AM1.15
Oct 15, 2:30 AM1.15
Oct 15, 2:25 AM1.15
Oct 15, 2:20 AM1.15
Oct 15, 2:15 AM1.15
Oct 15, 2:10 AM1.15
Oct 15, 2:05 AM1.15
Oct 15, 2:00 AM1.15
Oct 15, 1:55 AM1.15
Oct 15, 1:50 AM1.15
Oct 15, 1:45 AM1.15
Oct 15, 1:40 AM1.15
Oct 15, 1:35 AM1.15
Oct 15, 1:30 AM1.15
Oct 15, 1:25 AM1.15
Oct 15, 1:20 AM1.15
Oct 15, 1:15 AM1.15
Oct 15, 1:10 AM1.15
Oct 15, 1:05 AM1.15
Oct 15, 1:00 AM1.15
Oct 15, 12:55 AM1.16
Oct 15, 12:50 AM1.16
Oct 15, 12:45 AM1.15
Oct 15, 12:40 AM1.15
Oct 15, 12:35 AM1.15
Oct 15, 12:30 AM1.15
Oct 15, 12:25 AM1.16
Oct 15, 12:20 AM1.16
Oct 15, 12:15 AM1.15
Oct 15, 12:10 AM1.15
Oct 15, 12:05 AM1.16
Oct 15, 12:00 AM1.15
Oct 14, 11:55 PM1.16
Oct 14, 11:50 PM1.15
Oct 14, 11:45 PM1.16
Oct 14, 11:40 PM1.15
Oct 14, 11:35 PM1.16
Oct 14, 11:30 PM1.15
Oct 14, 11:25 PM1.15
Oct 14, 11:20 PM1.15
Oct 14, 11:15 PM1.15
Oct 14, 11:10 PM1.15
Oct 14, 11:05 PM1.15
Oct 14, 11:00 PM1.15
Oct 14, 10:55 PM1.15
Oct 14, 10:50 PM1.15
Oct 14, 10:45 PM1.15
Water level, 7 days at Owings Mills: the water from 0.99 to 4.14 feet of stage, the latest 1.14 feet.WATER LEVEL, 7 DAYSFTHIGH 4.14 FT, OCT 11, 1:20 PM · LOW 0.99 FT, OCT 9, 9:55 AM012345Fri 9Sat 10Sun 11Mon 12Tue 13Wed 14Thu 151.14
Latest
1.14 ftOct 15, 10:05 PM
Highest
4.14 ftOct 11, 1:20 PM
Lowest
0.99 ftOct 9, 9:55 AM
Range
3.15 fthighest less lowest
Change
Rose 0.12 ftsince Oct 8, 10:45 PM
Readings
1,985
The readings these charts were drawn from, as a table
TimeStage ft
Oct 15, 10:05 PM1.14
Oct 15, 9:55 PM1.14
Oct 15, 8:55 PM1.14
Oct 15, 7:55 PM1.14
Oct 15, 6:55 PM1.13
Oct 15, 5:55 PM1.13
Oct 15, 4:55 PM1.13
Oct 15, 3:55 PM1.12
Oct 15, 2:55 PM1.12
Oct 15, 1:55 PM1.13
Oct 15, 12:55 PM1.14
Oct 15, 11:55 AM1.13
Oct 15, 10:55 AM1.13
Oct 15, 9:55 AM1.13
Oct 15, 8:55 AM1.13
Oct 15, 7:55 AM1.14
Oct 15, 6:55 AM1.14
Oct 15, 5:55 AM1.14
Oct 15, 4:55 AM1.14
Oct 15, 3:55 AM1.14
Oct 15, 2:55 AM1.15
Oct 15, 1:55 AM1.15
Oct 15, 12:55 AM1.16
Oct 14, 11:55 PM1.16
Oct 14, 10:55 PM1.15
Oct 14, 9:55 PM1.16
Oct 14, 8:55 PM1.16
Oct 14, 7:55 PM1.16
Oct 14, 6:55 PM1.16
Oct 14, 5:55 PM1.17
Oct 14, 4:55 PM1.17
Oct 14, 3:55 PM1.17
Oct 14, 2:55 PM1.17
Oct 14, 1:55 PM1.18
Oct 14, 12:55 PM1.18
Oct 14, 11:55 AM1.18
Oct 14, 10:55 AM1.18
Oct 14, 9:55 AM1.19
Oct 14, 8:55 AM1.20
Oct 14, 7:55 AM1.19
Oct 14, 6:55 AM1.20
Oct 14, 5:55 AM1.20
Oct 14, 4:55 AM1.21
Oct 14, 3:55 AM1.21
Oct 14, 2:55 AM1.21
Oct 14, 1:55 AM1.22
Oct 14, 12:55 AM1.22
Oct 13, 11:55 PM1.22
Oct 13, 10:55 PM1.22
Oct 13, 9:55 PM1.22
Oct 13, 8:55 PM1.23
Oct 13, 7:55 PM1.24
Oct 13, 6:55 PM1.24
Oct 13, 5:55 PM1.25
Oct 13, 4:55 PM1.25
Oct 13, 3:55 PM1.26
Oct 13, 2:55 PM1.27
Oct 13, 1:55 PM1.28
Oct 13, 12:55 PM1.28
Oct 13, 11:55 AM1.29
Oct 13, 10:55 AM1.30
Oct 13, 9:55 AM1.31
Oct 13, 8:55 AM1.32
Oct 13, 7:55 AM1.33
Oct 13, 6:55 AM1.34
Oct 13, 5:55 AM1.35
Oct 13, 4:55 AM1.36
Oct 13, 3:55 AM1.37
Oct 13, 2:55 AM1.38
Oct 13, 1:55 AM1.39
Oct 13, 12:55 AM1.41
Oct 12, 11:55 PM1.43
Oct 12, 10:55 PM1.45
Oct 12, 9:55 PM1.47
Oct 12, 8:55 PM1.48
Oct 12, 7:55 PM1.50
Oct 12, 6:55 PM1.52
Oct 12, 5:55 PM1.56
Oct 12, 4:55 PM1.59
Oct 12, 3:55 PM1.62
Oct 12, 2:55 PM1.65
Oct 12, 1:55 PM1.70
Oct 12, 12:55 PM1.75
Oct 12, 11:05 AM1.85
Oct 12, 10:55 AM1.86
Oct 12, 9:55 AM1.92
Oct 12, 8:55 AM2.01
Oct 12, 7:55 AM2.07
Oct 12, 6:55 AM2.16
Oct 12, 5:55 AM2.24
Oct 12, 4:55 AM2.35
Oct 12, 3:55 AM2.46
Oct 12, 2:55 AM2.57
Oct 12, 1:55 AM2.48
Oct 12, 12:55 AM2.36
Oct 11, 11:55 PM2.08
Oct 11, 10:55 PM2.15
Oct 11, 9:55 PM2.25
Oct 11, 8:55 PM2.37
Oct 11, 7:55 PM2.51
Oct 11, 6:55 PM2.71
Oct 11, 5:55 PM2.94
Oct 11, 4:55 PM3.24
Oct 11, 3:55 PM3.51
Oct 11, 2:55 PM3.73
Oct 11, 1:55 PM4.03
Oct 11, 12:55 PM3.94
Oct 11, 11:55 AM3.21
Oct 11, 10:55 AM2.34
Oct 11, 9:55 AM1.74
Oct 11, 8:55 AM1.34
Oct 11, 7:55 AM1.11
Oct 11, 6:55 AM1.02
Oct 11, 5:55 AM1.01
Oct 11, 4:55 AM1.00
Oct 11, 3:55 AM0.99
Oct 11, 2:55 AM0.99
Oct 11, 1:55 AM1.00
Oct 11, 12:55 AM1.00
Oct 10, 11:55 PM1.00
Oct 10, 10:55 PM1.00
Oct 10, 9:55 PM1.00
Oct 10, 8:55 PM1.00
Oct 10, 7:55 PM0.99
Oct 10, 6:55 PM1.00
Oct 10, 5:55 PM1.00
Oct 10, 4:55 PM1.00
Oct 10, 3:55 PM1.00
Oct 10, 2:55 PM1.00
Oct 10, 1:55 PM1.00
Oct 10, 12:55 PM1.00
Oct 10, 11:55 AM1.00
Oct 10, 10:55 AM1.00
Oct 10, 9:55 AM1.00
Oct 10, 8:55 AM1.00
Oct 10, 7:55 AM1.00
Oct 10, 6:55 AM1.00
Oct 10, 5:55 AM1.00
Oct 10, 4:55 AM1.00
Oct 10, 3:55 AM1.00
Oct 10, 2:55 AM1.00
Oct 10, 1:55 AM1.00
Oct 10, 12:55 AM1.01
Oct 9, 11:55 PM1.01
Oct 9, 10:55 PM1.01
Oct 9, 9:55 PM1.01
Oct 9, 8:55 PM1.01
Oct 9, 7:55 PM1.01
Oct 9, 6:55 PM1.00
Oct 9, 5:55 PM1.00
Oct 9, 4:55 PM1.00
Oct 9, 3:55 PM1.00
Oct 9, 2:55 PM1.00
Oct 9, 1:55 PM1.00
Oct 9, 12:55 PM1.00
Oct 9, 11:55 AM1.00
Oct 9, 10:55 AM1.01
Oct 9, 9:55 AM0.99
Oct 9, 8:55 AM1.01
Oct 9, 7:55 AM1.01
Oct 9, 6:55 AM1.01
Oct 9, 5:55 AM1.01
Oct 9, 4:55 AM1.01
Oct 9, 3:55 AM1.01
Oct 9, 2:05 AM1.01
Oct 9, 1:55 AM1.01
Oct 9, 12:55 AM1.01
Oct 8, 11:55 PM1.01
Oct 8, 10:55 PM1.02
Water level, 30 days at Owings Mills: the water from 0.91 to 4.14 feet of stage, the latest 1.14 feet.WATER LEVEL, 30 DAYSFTHIGH 4.14 FT, OCT 11, 1:20 PM · LOW 0.91 FT, SEP 16, 9:35 AM012345Sep 16Sep 21Sep 26Oct 1Oct 6Oct 111.14
Latest
1.14 ftOct 15, 10:05 PM
Highest
4.14 ftOct 11, 1:20 PM
Lowest
0.91 ftSep 16, 9:35 AM
Range
3.23 fthighest less lowest
Change
Rose 0.19 ftsince Sep 15, 10:45 PM
Readings
8,393
The readings these charts were drawn from, as a table
DayHigh ftLow ftAverage ftLast ftReadings
Oct 151.161.121.141.14266
Oct 141.221.151.191.16288
Oct 131.431.221.301.22288
Oct 122.601.431.891.43276
Oct 114.140.992.162.08288
Oct 101.010.991.001.00288
Oct 91.020.991.011.01276
Oct 81.041.011.021.01288
Oct 71.051.031.041.03264
Oct 61.061.031.041.04276
Oct 51.081.051.071.05288
Oct 41.081.021.051.08288
Oct 31.031.011.021.03276
Oct 21.041.011.031.02288
Oct 11.061.021.041.02276
Sep 301.071.041.061.04288
Sep 291.111.061.091.06288
Sep 281.251.101.151.10288
Sep 271.441.101.231.26288
Sep 261.101.021.041.10288
Sep 251.081.031.061.03288
Sep 241.181.071.121.07288
Sep 231.851.171.381.18288
Sep 221.931.081.601.86264
Sep 211.070.970.991.07276
Sep 201.050.930.991.01262
Sep 190.950.930.940.94240
Sep 180.970.940.950.95254
Sep 170.960.910.930.95276
Sep 160.940.910.930.93288
Sep 150.950.940.940.9415

How it reports

Schedule
every houron the hour's :05
Reports received, 24 hours
23 of 2495.8% of its schedule
Reports received, 7 days
165 of 16898.2% of its schedule
Longest silence, 7 days
2 hoursfrom Oct 9, 2:05 AM
Latest report
Oct 15, 10:05 PMlocal time
Time to reach Storm Station
18 min9 in 10 within 18 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 score96.9of 100

Maryland median
89.0the median score of 736 stations
Scoring higher
181stations in Maryland
Sharing its score
14ranks 182 to 195
Points deducted
3.11.5 arrival, 0.8 forecast check, 0.6 reports received, 0.2 accuracy
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Maryland median 99.0, 100.0, 92.1
Next above
WRBM2rank 185; ahead on median arrival 17 min 34 s against 17 min 36 s
Next below
CLNM2rank 194; behind on reports received 98.2% against 97.6%
Sharing its rank
7other 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 3598.234.4 of 35 pointsMaryland median 82.1165 of 168 scheduled reports received in 7 days
  2. Arrivalweight 1084.88.5 of 10 pointsMaryland median 94.0half its reports arrived within 18 min
  3. Continuityweight 10100.010.0 of 10 pointsMaryland median 100.0longest silence 2 h, on a schedule of one report every 60 min
  4. Accuracyweight 20-19.8 of 20 points, at the medianMaryland median 99.0-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianMaryland median 100.0-
  6. Forecast checkweight 10-9.2 of 10 points, at the medianMaryland median 92.1-

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 Owings Mills

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.