Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
HDGM2
Latitude
39.53790 N
Longitude
76.08960 W
Elevation
-
Listed
Automatically, on 164 reports in 158 hours over the last seven days
Observed
10:00 PMEDT, 44 minutes ago

Ranking Statistics

At a river or reservoir gauge

Drawn as the kind of place it stands at. 33 instruments in Maryland stand at one.

Station charts

Chesapeake Bay AT Havre De Grace Report

Rank 126 of 736 in Maryland, Oct 16. The 247 rank orders a state's stations by their 247 score out of 100: how reliably they report, how accurate their readings are against a reference station, how their readings pass their checks, and how they stand against the forecast.

Ranking Statistics

247 score97.6of 100

Maryland median
89.0the median score of 736 stations
Scoring higher
121stations in Maryland
Sharing its score
8ranks 122 to 129
Points deducted
2.40.8 reports received, 0.8 forecast check, 0.6 arrival, 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
PKTM2rank 125; ahead on median arrival 12 min 58 s against 12 min 59 s
Next below
BELM2rank 127; behind on median arrival 12 min 59 s against 13 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 3597.634.2 of 35 pointsMaryland median 82.1164 of 168 scheduled reports received in 7 days
  2. Arrivalweight 1094.09.4 of 10 pointsMaryland median 94.0half its reports arrived within 13 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
Schedule
every houron the hour's :00
Reports received, 24 hours
22 of 2491.6% of its schedule, 23 reports in all
Reports received, 7 days
164 of 16897.6% of its schedule, 165 reports in all
Days reported, 30 days
-
Longest silence, 7 days
2 hoursfrom Oct 12, 11:00 AM
Latest report
Oct 15, 10:00 PMlocal time
Time to reach Storm Station
13 min9 in 10 within 22 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.

Chart of the 736 ranked stations in Maryland on Oct 16 by the share of their scheduled reports received in Storm Station's own record, up to 7 days, in tenths: 0 to 9 per cent, 4; 10 to 19 per cent, 20; 20 to 29 per cent, 27; 30 to 39 per cent, 11; 40 to 49 per cent, 62; 50 to 59 per cent, 96; 60 to 69 per cent, 107; 70 to 79 per cent, 36; 80 to 89 per cent, 35; 90 to 99 per cent, 183; 100 per cent, 155. Chesapeake Bay AT Havre De Grace received 97.6 per cent, 164 of 168 scheduled reports, rank 126 of 736.WHERE IT RANKS IN MARYLAND, Oct 16THIS ONE: 97.6%, 164 OF 168, RANK 126 OF 736PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9410 to 192020 to 292730 to 391140 to 496250 to 599660 to 6910770 to 793680 to 893590 to 99183100155STATIONS, LOG SCALE
Chart of Chesapeake Bay AT Havre De Grace's rank in Maryland by how it reported, day by day, from 2026-09-26 to 2026-10-16: 2026-09-26 rank 89 of 399; 2026-09-27 rank 132 of 402; 2026-09-28 rank 72 of 418; 2026-09-29 rank 70 of 424; 2026-09-30 rank 68 of 424; 2026-10-01 rank 125 of 426; 2026-10-02 rank 155 of 540; 2026-10-03 rank 154 of 540; 2026-10-04 rank 189 of 564; 2026-10-05 rank 192 of 686; 2026-10-06 rank 193 of 702; 2026-10-07 rank 181 of 729; 2026-10-08 rank 179 of 731; 2026-10-09 rank 168 of 733; 2026-10-10 rank 169 of 733; 2026-10-11 rank 160 of 725; 2026-10-12 rank 150 of 728; 2026-10-13 rank 177 of 726; 2026-10-14 rank 102 of 727; 2026-10-15 rank 104 of 723; 2026-10-16 rank 126 of 736.ITS RANK IN MARYLAND, DAY BY DAYRANK, FIRST AT THE TOP150100150200Sep 26Sep 30Oct 4Oct 8Oct 12Oct 16
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%155
90 to 99%183
80 to 89%35
70 to 79%36
60 to 69%107
50 to 59%96
40 to 49%62
30 to 39%11
20 to 29%27
10 to 19%20
0 to 9%4
DayRankStations rankedShare received
Oct 16, 202612673697.6%
Oct 15, 202610472398.8%
Oct 14, 202610272798.8%
Oct 13, 202617772698.8%
Oct 12, 202615072899.4%
Oct 11, 202616072599.4%
Oct 10, 202616973398.8%
Oct 9, 202616873398.8%
Oct 8, 202617973198.2%
Oct 7, 202618172998.8%
Oct 6, 202619370298.8%
Oct 5, 202619268698.8%
Oct 4, 202618956498.8%
Oct 3, 202615454099.3%
Oct 2, 202615554099.3%
Oct 1, 202612542699.2%
Sep 30, 202668424100.0%
Sep 29, 202670424100.0%
Sep 28, 202672418100.0%
Sep 27, 202613240297.8%
Sep 26, 202689399100.0%
Reports received at Chesapeake Bay AT Havre De Grace, reports from 1.0 to 10.0, the latest 1.0, in reports.REPORTS RECEIVEDreports02.557.510Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM
Reports received at Chesapeake Bay AT Havre De Grace, reports from 1.0 to 10.0, the latest 1.0, in reports.REPORTS RECEIVEDreports02.557.510Fri 9Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15

Near Chesapeake Bay AT Havre De Grace