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Live/Water/Maryland/Plumtree Run at Bel Air

Plumtree Run at Bel Air

A gauge on the Plumtree Run in Harford County, Maryland. Its stage was 1.14 ft as of Oct 16, 1:25 AM EDT.

Gauge PTRM2Harford County, MarylandEvery gauge in Maryland

Stage now
1.14 ftreported Oct 16, 1:25 AM EDT
24 hour change
Fell 0.02 ftsince Oct 15, 1:25 AM
Elevation
249 ftabove sea level
County
Harford County
Position
39.4964° N, 76.3478° W
Record since
2011

Water level

Plumtree Run at Bel Air

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 Plumtree Run at Bel Air: the water from 1.14 to 1.16 feet of stage, the latest 1.14 feet.WATER LEVEL, 24 HOURSFTHIGH 1.16 FT, OCT 15, 3:25 AM · LOW 1.14 FT, OCT 15, 9:55 AM1.101.131.151.181.203 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 161.14
Latest
1.14 ftOct 16, 1:25 AM
Highest
1.16 ftOct 15, 3:25 AM
Lowest
1.14 ftOct 15, 9:55 AM
Range
0.02 fthighest less lowest
Change
Fell 0.01 ftsince Oct 15, 2:15 AM
Readings
279
The readings these charts were drawn from, as a table
TimeStage ft
Oct 16, 1:25 AM1.14
Oct 16, 1:20 AM1.15
Oct 16, 1:15 AM1.14
Oct 16, 1:10 AM1.15
Oct 16, 1:05 AM1.15
Oct 16, 1:00 AM1.14
Oct 16, 12:55 AM1.14
Oct 16, 12:50 AM1.15
Oct 16, 12:45 AM1.14
Oct 16, 12:40 AM1.14
Oct 16, 12:35 AM1.14
Oct 16, 12:30 AM1.14
Oct 16, 12:25 AM1.14
Oct 16, 12:20 AM1.14
Oct 16, 12:15 AM1.15
Oct 16, 12:10 AM1.15
Oct 16, 12:05 AM1.14
Oct 16, 12:00 AM1.14
Oct 15, 11:55 PM1.14
Oct 15, 11:50 PM1.14
Oct 15, 11:45 PM1.14
Oct 15, 11:40 PM1.14
Oct 15, 11:35 PM1.14
Oct 15, 11:30 PM1.14
Oct 15, 11:25 PM1.14
Oct 15, 11:20 PM1.14
Oct 15, 11:15 PM1.14
Oct 15, 11:10 PM1.14
Oct 15, 11:05 PM1.14
Oct 15, 11:00 PM1.14
Oct 15, 10:55 PM1.14
Oct 15, 10:50 PM1.14
Oct 15, 10:45 PM1.14
Oct 15, 10:40 PM1.14
Oct 15, 10:35 PM1.14
Oct 15, 10:30 PM1.14
Oct 15, 10:25 PM1.14
Oct 15, 10:20 PM1.14
Oct 15, 10:15 PM1.14
Oct 15, 10:10 PM1.14
Oct 15, 10:05 PM1.15
Oct 15, 10:00 PM1.15
Oct 15, 9:55 PM1.14
Oct 15, 9:50 PM1.15
Oct 15, 9:45 PM1.15
Oct 15, 9:40 PM1.15
Oct 15, 9:35 PM1.15
Oct 15, 9:30 PM1.14
Oct 15, 9:25 PM1.15
Oct 15, 9:20 PM1.15
Oct 15, 9:15 PM1.14
Oct 15, 9:10 PM1.15
Oct 15, 9:05 PM1.14
Oct 15, 9:00 PM1.14
Oct 15, 8:55 PM1.14
Oct 15, 8:50 PM1.15
Oct 15, 8:45 PM1.14
Oct 15, 8:40 PM1.14
Oct 15, 8:35 PM1.14
Oct 15, 8:30 PM1.15
Oct 15, 8:25 PM1.15
Oct 15, 8:20 PM1.15
Oct 15, 8:15 PM1.14
Oct 15, 8:10 PM1.14
Oct 15, 8:05 PM1.14
Oct 15, 8:00 PM1.14
Oct 15, 7:55 PM1.14
Oct 15, 7:50 PM1.14
Oct 15, 7:45 PM1.14
Oct 15, 7:40 PM1.14
Oct 15, 7:35 PM1.14
Oct 15, 7:30 PM1.14
Oct 15, 7:25 PM1.14
Oct 15, 7:20 PM1.14
Oct 15, 7:15 PM1.14
Oct 15, 7:10 PM1.14
Oct 15, 7:05 PM1.14
Oct 15, 7:00 PM1.14
Oct 15, 6:55 PM1.14
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 PM1.14
Oct 15, 6:10 PM1.14
Oct 15, 6:05 PM1.14
Oct 15, 6:00 PM1.14
Oct 15, 5:55 PM1.14
Oct 15, 5:50 PM1.14
Oct 15, 5:45 PM1.14
Oct 15, 5:40 PM1.14
Oct 15, 5:35 PM1.14
Oct 15, 5:30 PM1.14
Oct 15, 5:25 PM1.14
Oct 15, 5:20 PM1.14
Oct 15, 5:15 PM1.14
Oct 15, 5:10 PM1.14
Oct 15, 5:05 PM1.14
Oct 15, 5:00 PM1.14
Oct 15, 4:55 PM1.14
Oct 15, 4:50 PM1.14
Oct 15, 4:45 PM1.14
Oct 15, 4:40 PM1.14
Oct 15, 4:35 PM1.14
Oct 15, 4:30 PM1.14
Oct 15, 4:25 PM1.14
Oct 15, 4:20 PM1.15
Oct 15, 4:15 PM1.14
Oct 15, 4:10 PM1.14
Oct 15, 4:05 PM1.14
Oct 15, 4:00 PM1.14
Oct 15, 3:55 PM1.14
Oct 15, 3:50 PM1.14
Oct 15, 3:45 PM1.14
Oct 15, 3:40 PM1.14
Oct 15, 3:35 PM1.14
Oct 15, 3:30 PM1.14
Oct 15, 3:25 PM1.14
Oct 15, 3:20 PM1.14
Oct 15, 3:15 PM1.14
Oct 15, 3:10 PM1.14
Oct 15, 3:05 PM1.14
Oct 15, 3:00 PM1.14
Oct 15, 2:55 PM1.14
Oct 15, 2:50 PM1.14
Oct 15, 2:45 PM1.14
Oct 15, 2:40 PM1.15
Oct 15, 2:35 PM1.15
Oct 15, 2:30 PM1.15
Oct 15, 2:25 PM1.15
Oct 15, 2:20 PM1.14
Oct 15, 2:15 PM1.14
Oct 15, 2:10 PM1.14
Oct 15, 2:05 PM1.14
Oct 15, 2:00 PM1.14
Oct 15, 1:55 PM1.14
Oct 15, 1:50 PM1.14
Oct 15, 1:45 PM1.14
Oct 15, 1:40 PM1.14
Oct 15, 1:35 PM1.14
Oct 15, 1:30 PM1.14
Oct 15, 1:25 PM1.14
Oct 15, 1:20 PM1.14
Oct 15, 1:15 PM1.14
Oct 15, 1:10 PM1.14
Oct 15, 1:05 PM1.14
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 PM1.14
Oct 15, 12:25 PM1.14
Oct 15, 12:20 PM1.14
Oct 15, 12:15 PM1.14
Oct 15, 12:10 PM1.14
Oct 15, 12:05 PM1.14
Oct 15, 12:00 PM1.14
Oct 15, 11:55 AM1.14
Oct 15, 11:50 AM1.14
Oct 15, 11:45 AM1.14
Oct 15, 11:40 AM1.14
Oct 15, 11:35 AM1.14
Oct 15, 11:30 AM1.14
Oct 15, 11:25 AM1.14
Oct 15, 11:20 AM1.14
Oct 15, 11:15 AM1.14
Oct 15, 11:10 AM1.14
Oct 15, 11:05 AM1.14
Oct 15, 11:00 AM1.14
Oct 15, 10:55 AM1.14
Oct 15, 10:50 AM1.14
Oct 15, 10:45 AM1.14
Oct 15, 10:40 AM1.14
Oct 15, 10:35 AM1.14
Oct 15, 10:30 AM1.14
Oct 15, 10:25 AM1.14
Oct 15, 10:20 AM1.15
Oct 15, 10:15 AM1.14
Oct 15, 10:10 AM1.15
Oct 15, 10:05 AM1.15
Oct 15, 10:00 AM1.15
Oct 15, 9:55 AM1.14
Oct 15, 9:50 AM1.15
Oct 15, 9:45 AM1.15
Oct 15, 9:40 AM1.15
Oct 15, 9:35 AM1.15
Oct 15, 9:30 AM1.15
Oct 15, 9:25 AM1.15
Oct 15, 9:20 AM1.15
Oct 15, 9:15 AM1.15
Oct 15, 9:10 AM1.15
Oct 15, 9:05 AM1.15
Oct 15, 9:00 AM1.15
Oct 15, 8:55 AM1.15
Oct 15, 8:50 AM1.15
Oct 15, 8:45 AM1.15
Oct 15, 8:40 AM1.15
Oct 15, 8:35 AM1.15
Oct 15, 8:30 AM1.15
Oct 15, 8:25 AM1.15
Oct 15, 8:20 AM1.15
Oct 15, 8:15 AM1.15
Oct 15, 8:10 AM1.15
Oct 15, 8:05 AM1.15
Oct 15, 8:00 AM1.15
Oct 15, 7:55 AM1.15
Oct 15, 7:50 AM1.15
Oct 15, 7:45 AM1.15
Oct 15, 7:40 AM1.15
Oct 15, 7:35 AM1.15
Oct 15, 7:30 AM1.15
Oct 15, 7:25 AM1.15
Oct 15, 7:20 AM1.15
Oct 15, 7:15 AM1.15
Oct 15, 7:10 AM1.15
Oct 15, 7:05 AM1.15
Oct 15, 7:00 AM1.15
Oct 15, 6:55 AM1.15
Oct 15, 6:50 AM1.15
Oct 15, 6:45 AM1.15
Oct 15, 6:40 AM1.15
Oct 15, 6:35 AM1.15
Oct 15, 6:30 AM1.15
Oct 15, 6:25 AM1.15
Oct 15, 6:20 AM1.15
Oct 15, 6:15 AM1.15
Oct 15, 6:10 AM1.15
Oct 15, 6:05 AM1.15
Oct 15, 6:00 AM1.15
Oct 15, 5:55 AM1.15
Oct 15, 5:50 AM1.15
Oct 15, 5:45 AM1.15
Oct 15, 5:40 AM1.16
Oct 15, 5:35 AM1.15
Oct 15, 5:30 AM1.15
Oct 15, 5:25 AM1.15
Oct 15, 5:20 AM1.15
Oct 15, 5:15 AM1.15
Oct 15, 5:10 AM1.15
Oct 15, 5:05 AM1.15
Oct 15, 5:00 AM1.15
Oct 15, 4:55 AM1.15
Oct 15, 4:50 AM1.15
Oct 15, 4:45 AM1.15
Oct 15, 4:40 AM1.15
Oct 15, 4:35 AM1.15
Oct 15, 4:30 AM1.15
Oct 15, 4:25 AM1.15
Oct 15, 4:20 AM1.15
Oct 15, 4:15 AM1.15
Oct 15, 4:10 AM1.15
Oct 15, 4:05 AM1.15
Oct 15, 4:00 AM1.15
Oct 15, 3:55 AM1.15
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 AM1.16
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
Water level, 7 days at Plumtree Run at Bel Air: the water from 1.05 to 3.71 feet of stage, the latest 1.14 feet.WATER LEVEL, 7 DAYSFTHIGH 3.71 FT, OCT 11, 3:15 PM · LOW 1.05 FT, OCT 9, 8:00 PM1234Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 161.14
Latest
1.14 ftOct 16, 1:25 AM
Highest
3.71 ftOct 11, 3:15 PM
Lowest
1.05 ftOct 9, 8:00 PM
Range
2.66 fthighest less lowest
Change
Rose 0.07 ftsince Oct 9, 2:15 AM
Readings
1,971
The readings these charts were drawn from, as a table
TimeStage ft
Oct 16, 1:25 AM1.14
Oct 16, 12:55 AM1.14
Oct 15, 11:55 PM1.14
Oct 15, 10:55 PM1.14
Oct 15, 9:55 PM1.14
Oct 15, 8:55 PM1.14
Oct 15, 7:55 PM1.14
Oct 15, 6:55 PM1.14
Oct 15, 5:55 PM1.14
Oct 15, 4:55 PM1.14
Oct 15, 3:55 PM1.14
Oct 15, 2:55 PM1.14
Oct 15, 1:55 PM1.14
Oct 15, 12:55 PM1.14
Oct 15, 11:55 AM1.14
Oct 15, 10:55 AM1.14
Oct 15, 9:55 AM1.14
Oct 15, 8:55 AM1.15
Oct 15, 7:55 AM1.15
Oct 15, 6:55 AM1.15
Oct 15, 5:55 AM1.15
Oct 15, 4:55 AM1.15
Oct 15, 3:55 AM1.15
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 PM1.16
Oct 14, 9:55 PM1.16
Oct 14, 8:55 PM1.16
Oct 14, 7:55 PM1.16
Oct 14, 6:55 PM1.17
Oct 14, 5:55 PM1.17
Oct 14, 4:55 PM1.17
Oct 14, 3:55 PM1.17
Oct 14, 2:55 PM1.18
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 AM1.19
Oct 14, 7:55 AM1.19
Oct 14, 6:55 AM1.19
Oct 14, 5:55 AM1.19
Oct 14, 4:55 AM1.20
Oct 14, 3:55 AM1.20
Oct 14, 2:55 AM1.20
Oct 14, 1:55 AM1.20
Oct 14, 12:55 AM1.21
Oct 13, 11:55 PM1.21
Oct 13, 10:55 PM1.21
Oct 13, 9:55 PM1.21
Oct 13, 8:55 PM1.22
Oct 13, 7:55 PM1.22
Oct 13, 6:55 PM1.23
Oct 13, 5:25 PM1.23
Oct 13, 4:55 PM1.23
Oct 13, 3:55 PM1.24
Oct 13, 2:55 PM1.24
Oct 13, 1:55 PM1.25
Oct 13, 12:55 PM1.26
Oct 13, 11:55 AM1.27
Oct 13, 10:55 AM1.28
Oct 13, 9:55 AM1.28
Oct 13, 8:55 AM1.29
Oct 13, 7:55 AM1.30
Oct 13, 6:55 AM1.30
Oct 13, 5:55 AM1.31
Oct 13, 4:55 AM1.32
Oct 13, 3:55 AM1.32
Oct 13, 2:55 AM1.33
Oct 13, 1:55 AM1.34
Oct 13, 12:55 AM1.34
Oct 12, 11:55 PM1.35
Oct 12, 10:55 PM1.36
Oct 12, 9:55 PM1.37
Oct 12, 8:55 PM1.38
Oct 12, 7:55 PM1.39
Oct 12, 6:55 PM1.40
Oct 12, 5:55 PM1.42
Oct 12, 4:55 PM1.44
Oct 12, 3:55 PM1.45
Oct 12, 2:55 PM1.46
Oct 12, 1:55 PM1.48
Oct 12, 12:55 PM1.51
Oct 12, 11:55 AM1.52
Oct 12, 10:55 AM1.56
Oct 12, 9:55 AM1.59
Oct 12, 8:55 AM1.65
Oct 12, 7:55 AM1.70
Oct 12, 6:55 AM1.80
Oct 12, 5:55 AM1.87
Oct 12, 4:55 AM1.87
Oct 12, 3:55 AM2.05
Oct 12, 2:55 AM2.47
Oct 12, 1:55 AM2.52
Oct 12, 12:25 AM1.76
Oct 11, 11:55 PM1.70
Oct 11, 10:55 PM1.72
Oct 11, 9:55 PM1.78
Oct 11, 8:55 PM1.85
Oct 11, 7:55 PM1.96
Oct 11, 6:55 PM2.11
Oct 11, 5:55 PM2.42
Oct 11, 4:55 PM2.88
Oct 11, 3:55 PM3.26
Oct 11, 2:55 PM3.43
Oct 11, 1:55 PM2.67
Oct 11, 12:55 PM3.11
Oct 11, 11:55 AM2.53
Oct 11, 10:55 AM2.51
Oct 11, 9:55 AM1.79
Oct 11, 8:55 AM1.21
Oct 11, 7:55 AM1.12
Oct 11, 6:55 AM1.08
Oct 11, 5:25 AM1.06
Oct 11, 4:55 AM1.06
Oct 11, 3:55 AM1.05
Oct 11, 2:55 AM1.05
Oct 11, 1:55 AM1.05
Oct 11, 12:55 AM1.05
Oct 10, 11:55 PM1.06
Oct 10, 10:55 PM1.06
Oct 10, 9:55 PM1.06
Oct 10, 8:55 PM1.06
Oct 10, 7:55 PM1.05
Oct 10, 6:55 PM1.05
Oct 10, 5:55 PM1.06
Oct 10, 4:55 PM1.06
Oct 10, 3:55 PM1.06
Oct 10, 2:55 PM1.06
Oct 10, 1:55 PM1.06
Oct 10, 12:55 PM1.06
Oct 10, 11:55 AM1.06
Oct 10, 10:55 AM1.08
Oct 10, 9:55 AM1.06
Oct 10, 8:55 AM1.06
Oct 10, 7:55 AM1.06
Oct 10, 6:55 AM1.07
Oct 10, 5:55 AM1.07
Oct 10, 4:55 AM1.06
Oct 10, 3:55 AM1.06
Oct 10, 2:55 AM1.06
Oct 10, 1:55 AM1.06
Oct 10, 12:55 AM1.06
Oct 9, 11:55 PM1.06
Oct 9, 10:55 PM1.06
Oct 9, 9:55 PM1.06
Oct 9, 8:55 PM1.06
Oct 9, 7:55 PM1.06
Oct 9, 6:55 PM1.06
Oct 9, 5:55 PM1.06
Oct 9, 4:55 PM1.06
Oct 9, 3:55 PM1.06
Oct 9, 2:55 PM1.06
Oct 9, 1:55 PM1.07
Oct 9, 12:55 PM1.07
Oct 9, 11:55 AM1.06
Oct 9, 10:55 AM1.07
Oct 9, 9:55 AM1.07
Oct 9, 8:55 AM1.07
Oct 9, 7:55 AM1.07
Oct 9, 6:55 AM1.07
Oct 9, 5:55 AM1.07
Oct 9, 4:55 AM1.07
Oct 9, 3:55 AM1.07
Oct 9, 2:55 AM1.07
Water level, 30 days at Plumtree Run at Bel Air: the water from 1.03 to 3.71 feet of stage, the latest 1.14 feet.WATER LEVEL, 30 DAYSFTHIGH 3.71 FT, OCT 11, 3:15 PM · LOW 1.03 FT, SEP 16, 5:55 PM1234Sep 16Sep 21Sep 26Oct 1Oct 6Oct 111.14
Latest
1.14 ftOct 16, 1:25 AM
Highest
3.71 ftOct 11, 3:15 PM
Lowest
1.03 ftSep 16, 5:55 PM
Range
2.68 fthighest less lowest
Change
Rose 0.09 ftsince Sep 16, 2:15 AM
Readings
8,511
The readings these charts were drawn from, as a table
DayHigh ftLow ftAverage ftLast ftReadings
Oct 161.151.141.141.1418
Oct 151.161.141.151.14288
Oct 141.211.161.181.16288
Oct 131.351.211.271.21276
Oct 122.591.351.641.35276
Oct 113.711.051.911.70276
Oct 101.081.051.061.06288
Oct 91.071.051.071.06288
Oct 81.111.061.071.07288
Oct 71.111.061.081.10288
Oct 61.081.061.071.08288
Oct 51.111.071.091.08288
Oct 41.121.081.101.11288
Oct 31.241.081.111.08288
Oct 21.371.081.111.24288
Oct 11.101.081.091.09288
Sep 301.121.091.101.09276
Sep 291.141.111.121.12288
Sep 281.271.141.181.14288
Sep 271.971.271.421.27288
Sep 262.371.081.241.38288
Sep 251.131.091.111.09288
Sep 241.181.121.141.13288
Sep 231.521.171.301.17288
Sep 222.321.171.631.52288
Sep 211.661.101.231.23288
Sep 201.391.051.141.13246
Sep 191.071.031.051.04270
Sep 181.171.051.091.06288
Sep 171.761.041.161.17288
Sep 161.051.031.051.04249

How it reports

Schedule
every houron the hour's :25
Reports received, 24 hours
23 of 2495.8% of its schedule
Reports received, 7 days
164 of 16897.6% of its schedule
Longest silence, 7 days
2 hoursfrom Oct 11, 5:25 AM
Latest report
Oct 16, 1:25 AMlocal 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 score96.7of 100

Maryland median
89.0the median score of 736 stations
Scoring higher
196stations in Maryland
Sharing its score
7ranks 197 to 203
Points deducted
3.31.5 arrival, 0.8 reports received, 0.8 forecast check, 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
BIKM2rank 200; ahead on median arrival 17 min 34 s against 17 min 36 s
Next below
LUTM2rank 204; behind on 247 score 96.7 against 96.6
Sharing its rank
2other 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 3597.634.2 of 35 pointsMaryland median 82.1164 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 Plumtree Run at Bel Air

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.