Storm Station
Sign in

Live/Water/Maryland/Patapsco River at Elkridge

Patapsco River at Elkridge

A gauge on the Patapsco River in Howard County, Maryland. Its stage was 5.62 ft as of Oct 16, 12:00 AM EDT.

Gauge ERDM2Howard County, MarylandEvery gauge in Maryland

Stage now
5.62 ftreported Oct 16, 12:00 AM EDT
24 hour change
Fell 0.05 ftsince Oct 15, 12:00 AM
Elevation
62 ftabove sea level
County
Howard County
Position
39.2272° N, 76.7231° W
Record since
2011

Water level

Patapsco River at Elkridge

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 Patapsco River at Elkridge: the water from 5.61 to 5.67 feet of stage, the latest 5.62 feet.WATER LEVEL, 24 HOURSFTHIGH 5.67 FT, OCT 15, 1:45 AM · LOW 5.61 FT, OCT 15, 5:00 PM5.605.625.645.665.683 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 165.62
Latest
5.62 ftOct 16, 12:00 AM
Highest
5.67 ftOct 15, 1:45 AM
Lowest
5.61 ftOct 15, 5:00 PM
Range
0.06 fthighest less lowest
Change
Fell 0.04 ftsince Oct 15, 1:15 AM
Readings
92
The readings these charts were drawn from, as a table
TimeStage ft
Oct 16, 12:00 AM5.62
Oct 15, 11:45 PM5.62
Oct 15, 11:30 PM5.62
Oct 15, 11:15 PM5.62
Oct 15, 11:00 PM5.62
Oct 15, 10:45 PM5.63
Oct 15, 10:30 PM5.63
Oct 15, 10:15 PM5.62
Oct 15, 10:00 PM5.62
Oct 15, 9:45 PM5.62
Oct 15, 9:30 PM5.62
Oct 15, 9:15 PM5.62
Oct 15, 9:00 PM5.62
Oct 15, 8:45 PM5.62
Oct 15, 8:30 PM5.62
Oct 15, 8:15 PM5.63
Oct 15, 8:00 PM5.63
Oct 15, 7:45 PM5.63
Oct 15, 7:30 PM5.63
Oct 15, 7:15 PM5.62
Oct 15, 7:00 PM5.62
Oct 15, 6:45 PM5.63
Oct 15, 6:30 PM5.62
Oct 15, 6:15 PM5.63
Oct 15, 6:00 PM5.63
Oct 15, 5:45 PM5.63
Oct 15, 5:30 PM5.62
Oct 15, 5:15 PM5.63
Oct 15, 5:00 PM5.61
Oct 15, 4:45 PM5.63
Oct 15, 4:30 PM5.63
Oct 15, 4:15 PM5.63
Oct 15, 4:00 PM5.62
Oct 15, 3:45 PM5.63
Oct 15, 3:30 PM5.64
Oct 15, 3:15 PM5.63
Oct 15, 3:00 PM5.63
Oct 15, 2:45 PM5.63
Oct 15, 2:30 PM5.63
Oct 15, 2:15 PM5.64
Oct 15, 2:00 PM5.64
Oct 15, 1:45 PM5.64
Oct 15, 1:30 PM5.64
Oct 15, 1:15 PM5.64
Oct 15, 1:00 PM5.63
Oct 15, 12:45 PM5.63
Oct 15, 12:30 PM5.64
Oct 15, 12:15 PM5.64
Oct 15, 12:00 PM5.64
Oct 15, 11:45 AM5.64
Oct 15, 11:30 AM5.64
Oct 15, 11:15 AM5.64
Oct 15, 11:00 AM5.64
Oct 15, 10:45 AM5.64
Oct 15, 10:30 AM5.64
Oct 15, 10:15 AM5.65
Oct 15, 10:00 AM5.65
Oct 15, 9:45 AM5.64
Oct 15, 9:30 AM5.65
Oct 15, 9:15 AM5.65
Oct 15, 9:00 AM5.64
Oct 15, 8:45 AM5.65
Oct 15, 8:30 AM5.66
Oct 15, 8:15 AM5.65
Oct 15, 8:00 AM5.65
Oct 15, 7:45 AM5.65
Oct 15, 7:30 AM5.65
Oct 15, 7:15 AM5.65
Oct 15, 7:00 AM5.65
Oct 15, 6:45 AM5.66
Oct 15, 6:30 AM5.66
Oct 15, 6:15 AM5.66
Oct 15, 6:00 AM5.66
Oct 15, 5:45 AM5.66
Oct 15, 5:30 AM5.66
Oct 15, 5:15 AM5.66
Oct 15, 5:00 AM5.66
Oct 15, 4:45 AM5.66
Oct 15, 4:30 AM5.66
Oct 15, 4:15 AM5.67
Oct 15, 4:00 AM5.66
Oct 15, 3:45 AM5.66
Oct 15, 3:30 AM5.66
Oct 15, 3:15 AM5.66
Oct 15, 3:00 AM5.67
Oct 15, 2:45 AM5.66
Oct 15, 2:30 AM5.67
Oct 15, 2:15 AM5.67
Oct 15, 2:00 AM5.66
Oct 15, 1:45 AM5.67
Oct 15, 1:30 AM5.66
Oct 15, 1:15 AM5.66
Water level, 7 days at Patapsco River at Elkridge: the water from 5.34 to 9.10 feet of stage, the latest 5.62 feet.WATER LEVEL, 7 DAYSFTHIGH 9.10 FT, OCT 11, 10:00 PM · LOW 5.34 FT, OCT 10, 4:45 AM5678910Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15Fri 165.62
Latest
5.62 ftOct 16, 12:00 AM
Highest
9.10 ftOct 11, 10:00 PM
Lowest
5.34 ftOct 10, 4:45 AM
Range
3.76 fthighest less lowest
Change
Rose 0.26 ftsince Oct 9, 1:15 AM
Readings
668
The readings these charts were drawn from, as a table
TimeStage ft
Oct 16, 12:00 AM5.62
Oct 15, 11:45 PM5.62
Oct 15, 10:45 PM5.63
Oct 15, 9:45 PM5.62
Oct 15, 8:45 PM5.62
Oct 15, 7:45 PM5.63
Oct 15, 6:45 PM5.63
Oct 15, 5:45 PM5.63
Oct 15, 4:45 PM5.63
Oct 15, 3:45 PM5.63
Oct 15, 2:45 PM5.63
Oct 15, 1:45 PM5.64
Oct 15, 12:45 PM5.63
Oct 15, 11:45 AM5.64
Oct 15, 10:45 AM5.64
Oct 15, 9:45 AM5.64
Oct 15, 8:45 AM5.65
Oct 15, 7:45 AM5.65
Oct 15, 6:45 AM5.66
Oct 15, 5:45 AM5.66
Oct 15, 4:45 AM5.66
Oct 15, 3:45 AM5.66
Oct 15, 2:45 AM5.66
Oct 15, 1:45 AM5.67
Oct 15, 12:45 AM5.68
Oct 14, 11:45 PM5.67
Oct 14, 10:45 PM5.68
Oct 14, 9:45 PM5.68
Oct 14, 8:45 PM5.69
Oct 14, 7:45 PM5.69
Oct 14, 6:45 PM5.70
Oct 14, 5:45 PM5.71
Oct 14, 4:45 PM5.71
Oct 14, 3:45 PM5.71
Oct 14, 2:45 PM5.72
Oct 14, 1:45 PM5.72
Oct 14, 12:45 PM5.73
Oct 14, 11:45 AM5.74
Oct 14, 10:45 AM5.73
Oct 14, 9:45 AM5.74
Oct 14, 8:45 AM5.75
Oct 14, 7:45 AM5.75
Oct 14, 6:45 AM5.77
Oct 14, 5:45 AM5.77
Oct 14, 4:45 AM5.78
Oct 14, 3:45 AM5.78
Oct 14, 2:45 AM5.78
Oct 14, 1:45 AM5.79
Oct 14, 12:45 AM5.80
Oct 13, 11:45 PM5.81
Oct 13, 10:45 PM5.82
Oct 13, 9:45 PM5.82
Oct 13, 8:45 PM5.84
Oct 13, 7:45 PM5.85
Oct 13, 6:45 PM5.87
Oct 13, 5:45 PM5.89
Oct 13, 4:45 PM5.90
Oct 13, 3:45 PM5.92
Oct 13, 2:45 PM5.93
Oct 13, 1:45 PM5.94
Oct 13, 12:45 PM5.97
Oct 13, 11:45 AM5.98
Oct 13, 10:45 AM6.00
Oct 13, 9:45 AM6.02
Oct 13, 8:45 AM6.04
Oct 13, 7:45 AM6.06
Oct 13, 6:45 AM6.07
Oct 13, 5:45 AM6.09
Oct 13, 4:45 AM6.13
Oct 13, 3:45 AM6.17
Oct 13, 2:45 AM6.19
Oct 13, 1:45 AM6.24
Oct 13, 12:45 AM6.28
Oct 12, 11:45 PM6.32
Oct 12, 10:45 PM6.37
Oct 12, 9:45 PM6.44
Oct 12, 8:45 PM6.48
Oct 12, 7:45 PM6.55
Oct 12, 6:45 PM6.61
Oct 12, 5:45 PM6.68
Oct 12, 4:45 PM6.74
Oct 12, 3:45 PM6.80
Oct 12, 2:45 PM6.87
Oct 12, 1:45 PM6.96
Oct 12, 12:45 PM7.05
Oct 12, 11:45 AM7.18
Oct 12, 10:45 AM7.36
Oct 12, 9:45 AM7.52
Oct 12, 8:45 AM7.69
Oct 12, 7:45 AM7.83
Oct 12, 6:45 AM7.96
Oct 12, 5:45 AM8.09
Oct 12, 4:45 AM7.96
Oct 12, 3:45 AM7.79
Oct 12, 2:45 AM7.95
Oct 12, 1:45 AM8.07
Oct 12, 12:45 AM8.40
Oct 11, 11:45 PM8.70
Oct 11, 10:45 PM9.01
Oct 11, 9:45 PM9.04
Oct 11, 8:45 PM8.05
Oct 11, 7:45 PM7.32
Oct 11, 6:45 PM7.45
Oct 11, 5:45 PM7.63
Oct 11, 4:45 PM7.72
Oct 11, 3:45 PM7.44
Oct 11, 2:45 PM7.08
Oct 11, 1:45 PM7.25
Oct 11, 12:45 PM7.03
Oct 11, 11:45 AM6.30
Oct 11, 10:45 AM5.78
Oct 11, 9:45 AM5.52
Oct 11, 8:45 AM5.41
Oct 11, 7:45 AM5.38
Oct 11, 6:45 AM5.35
Oct 11, 5:45 AM5.35
Oct 11, 4:45 AM5.34
Oct 11, 3:45 AM5.34
Oct 11, 2:45 AM5.34
Oct 11, 1:45 AM5.34
Oct 11, 12:45 AM5.34
Oct 10, 11:45 PM5.34
Oct 10, 10:45 PM5.35
Oct 10, 9:45 PM5.35
Oct 10, 8:45 PM5.35
Oct 10, 7:45 PM5.35
Oct 10, 6:45 PM5.36
Oct 10, 5:45 PM5.36
Oct 10, 4:45 PM5.35
Oct 10, 3:45 PM5.35
Oct 10, 2:45 PM5.36
Oct 10, 1:45 PM5.36
Oct 10, 12:45 PM5.36
Oct 10, 11:45 AM5.35
Oct 10, 10:45 AM5.36
Oct 10, 9:45 AM5.35
Oct 10, 8:45 AM5.35
Oct 10, 7:45 AM5.35
Oct 10, 6:45 AM5.35
Oct 10, 5:45 AM5.35
Oct 10, 4:45 AM5.34
Oct 10, 3:45 AM5.35
Oct 10, 2:45 AM5.35
Oct 10, 1:45 AM5.35
Oct 10, 12:45 AM5.35
Oct 9, 11:45 PM5.35
Oct 9, 10:45 PM5.35
Oct 9, 9:45 PM5.35
Oct 9, 8:45 PM5.36
Oct 9, 7:45 PM5.37
Oct 9, 6:45 PM5.36
Oct 9, 5:45 PM5.36
Oct 9, 4:45 PM5.36
Oct 9, 3:45 PM5.36
Oct 9, 2:45 PM5.35
Oct 9, 1:45 PM5.36
Oct 9, 12:45 PM5.36
Oct 9, 11:45 AM5.35
Oct 9, 10:45 AM5.35
Oct 9, 9:45 AM5.36
Oct 9, 8:45 AM5.36
Oct 9, 7:45 AM5.36
Oct 9, 6:45 AM5.36
Oct 9, 5:45 AM5.36
Oct 9, 4:45 AM5.35
Oct 9, 3:45 AM5.36
Oct 9, 2:45 AM5.36
Oct 9, 1:45 AM5.36
Water level, 30 days at Patapsco River at Elkridge: the water from 5.31 to 9.10 feet of stage, the latest 5.62 feet.WATER LEVEL, 30 DAYSFTHIGH 9.10 FT, OCT 11, 10:00 PM · LOW 5.31 FT, SEP 17, 3:30 AM5678910Sep 16Sep 21Sep 26Oct 1Oct 6Oct 115.62
Latest
5.62 ftOct 16, 12:00 AM
Highest
9.10 ftOct 11, 10:00 PM
Lowest
5.31 ftSep 17, 3:30 AM
Range
3.79 fthighest less lowest
Change
Rose 0.29 ftsince Sep 16, 1:15 AM
Readings
2,876
The readings these charts were drawn from, as a table
DayHigh ftLow ftAverage ftLast ftReadings
Oct 165.625.625.625.621
Oct 155.685.615.645.6296
Oct 145.815.675.745.6796
Oct 136.315.816.005.8196
Oct 128.626.327.276.3296
Oct 119.105.346.598.7096
Oct 105.365.345.355.3496
Oct 95.375.355.365.3596
Oct 85.385.365.375.3696
Oct 75.415.375.385.3796
Oct 65.485.395.415.4196
Oct 55.425.415.415.4196
Oct 45.425.405.415.4296
Oct 35.445.405.415.4196
Oct 25.475.415.425.4296
Oct 15.445.425.435.4296
Sep 305.475.445.455.4496
Sep 295.495.465.485.4696
Sep 285.545.495.515.4996
Sep 275.555.465.505.5396
Sep 265.515.435.455.5096
Sep 255.535.455.495.4596
Sep 245.765.525.615.5396
Sep 236.285.776.005.7796
Sep 226.265.535.866.2696
Sep 215.715.385.445.7096
Sep 205.515.335.405.4196
Sep 195.445.365.405.3796
Sep 185.425.335.355.4296
Sep 175.345.315.325.3496
Sep 165.335.325.325.3291

How it reports

Schedule
every houron the hour's :00
Reports received, 24 hours
24 of 24100% of its schedule, 26 reports in all
Reports received, 7 days
168 of 168100% of its schedule, 185 reports in all
Longest silence, 7 days
61 minfrom Oct 8, 11:59 PM
Latest report
Oct 15, 10:00 PMlocal time
Time to reach Storm Station
23 min9 in 10 within 33 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 score96.4of 100

Maryland median
89.0the median score of 736 stations
Scoring higher
208stations in Maryland
Sharing its score
4ranks 209 to 212
Points deducted
3.62.6 arrival, 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
LUKM2rank 210; ahead on median arrival 22 min 50 s against 22 min 58 s
Next below
CWCM2rank 212; behind on longest silence 63 min against 75 min

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 35100.035.0 of 35 pointsMaryland median 82.1168 of 168 scheduled reports received in 7 days
  2. Arrivalweight 1074.17.4 of 10 pointsMaryland median 94.0half its reports arrived within 23 min
  3. Continuityweight 10100.010.0 of 10 pointsMaryland median 100.0longest silence 63 min, 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 Patapsco River at Elkridge

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.