Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
RYLV2
Latitude
38.80150 N
Longitude
77.28830 W
Elevation
-
Listed
Automatically, on 85 reports in 77 hours over the last seven days
Observed
10:00 PMEDT, 3 hours ago
Precipitation this hour
0in
Precipitation today
0.1in

Ranking Statistics

At a river or reservoir gauge

Drawn as the kind of place it stands at. 98 instruments in Virginia stand at one.

Station charts

Royal Lake (PL 566 Damsite #4) Report

Rank 1,477 of 1,554 in Virginia, Oct 17. 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 score70.7of 100

Virginia median
95.9the median score of 1,554 stations
Scoring higher
1,475stations in Virginia
Sharing its score
2ranks 1,476 to 1,477
Points deducted
29.324.7 reports received, 3.4 continuity, 0.8 arrival, 0.4 forecast check
Counted at the median
Accuracy, instrument checks, forecast checknot measured at this station; Virginia median 100.0, 100.0, 95.7
Next above
DW4466rank 1,476; ahead on reports received 46.1% against 29.5%
Next below
LMRV2rank 1,478; behind on 247 score 70.7 against 70.5

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 3529.510.3 of 35 pointsVirginia median 97.685 of 288 scheduled reports received in 7 days
  2. Arrivalweight 1092.09.2 of 10 pointsVirginia median 92.7half its reports arrived within 14 min
  3. Continuityweight 1066.46.6 of 10 pointsVirginia median 100.0longest silence 5.1 h, on a schedule of one report every 35 min
  4. Accuracyweight 20-20.0 of 20 points, at the medianVirginia median 100.0-
  5. Instrument checksweight 15-15.0 of 15 points, at the medianVirginia median 100.0-
  6. Forecast checkweight 10-9.6 of 10 points, at the medianVirginia median 95.7-

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 (1.8 h), none for 72 (42 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 35 min
Reports received, 24 hours
9 of 4121.9% of its schedule, 10 reports in all
Reports received, 7 days
86 of 28829.8% of its schedule, 125 reports in all
Days reported, 30 days
29 of 30
Longest silence, 7 days
5 h 05 minfrom Oct 10, 4:00 AM
Latest report
Oct 16, 10:00 PMlocal time
Time to reach Storm Station
14 min9 in 10 within 19 min

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

Its schedule is one report every 35 min, 41 in 24 hours. Two reports in the same 35 min count as one received.

Chart of the 1,554 ranked stations in Virginia on Oct 17 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, 46; 20 to 29 per cent, 17; 30 to 39 per cent, 7; 40 to 49 per cent, 85; 50 to 59 per cent, 177; 60 to 69 per cent, 37; 70 to 79 per cent, 120; 80 to 89 per cent, 158; 90 to 99 per cent, 521; 100 per cent, 382. Royal Lake (PL 566 Damsite #4) received 29.5 per cent, 85 of 288 scheduled reports, rank 1,477 of 1,554.WHERE IT RANKS IN VIRGINIA, Oct 17THIS ONE: 29.5%, 85 OF 288, RANK 1,477 OF 1,554PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9410 to 194620 to 291730 to 39740 to 498550 to 5917760 to 693770 to 7912080 to 8915890 to 99521100382STATIONS, LOG SCALE
Chart of Royal Lake (PL 566 Damsite #4)'s rank in Virginia by how it reported, day by day, from 2026-09-26 to 2026-10-17: 2026-09-26 rank 702 of 729; 2026-09-27 rank 707 of 733; 2026-09-28 rank 784 of 807; 2026-09-29 rank 790 of 818; 2026-09-30 rank 792 of 818; 2026-10-01 rank 789 of 820; 2026-10-02 rank 1,108 of 1,140; 2026-10-03 rank 1,108 of 1,140; 2026-10-04 rank 1,144 of 1,183; 2026-10-05 rank 1,326 of 1,415; 2026-10-06 rank 1,355 of 1,444; 2026-10-07 rank 1,351 of 1,526; 2026-10-08 rank 1,374 of 1,534; 2026-10-09 rank 1,425 of 1,529; 2026-10-10 rank 1,424 of 1,530; 2026-10-11 rank 1,420 of 1,520; 2026-10-12 rank 1,437 of 1,532; 2026-10-13 rank 1,449 of 1,536; 2026-10-14 rank 1,459 of 1,537; 2026-10-15 rank 1,442 of 1,532; 2026-10-16 rank 1,458 of 1,541; 2026-10-17 rank 1,477 of 1,554.ITS RANK IN VIRGINIA, DAY BY DAYRANK, FIRST AT THE TOP15001,0001,500Sep 26Sep 30Oct 4Oct 8Oct 12Oct 16Oct 17
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%382
90 to 99%521
80 to 89%158
70 to 79%120
60 to 69%37
50 to 59%177
40 to 49%85
30 to 39%7
20 to 29%17
10 to 19%46
0 to 9%4
DayRankStations rankedShare received
Oct 17, 20261,4771,55429.5%
Oct 16, 20261,4581,54129.5%
Oct 15, 20261,4421,53229.5%
Oct 14, 20261,4591,53729.1%
Oct 13, 20261,4491,53628.4%
Oct 12, 20261,4371,53229.9%
Oct 11, 20261,4201,52031.6%
Oct 10, 20261,4241,53036.6%
Oct 9, 20261,4251,52936.0%
Oct 8, 20261,3741,53436.0%
Oct 7, 20261,3511,52636.6%
Oct 6, 20261,3551,44437.1%
Oct 5, 20261,3261,41537.1%
Oct 4, 20261,1441,18335.5%
Oct 3, 20261,1081,14033.1%
Oct 2, 20261,1081,14033.1%
Oct 1, 202678982033.5%
Sep 30, 202679281834.1%
Sep 29, 202679081834.9%
Sep 28, 202678480736.3%
Sep 27, 202670773341.1%
Sep 26, 202670272944.0%
Reports received at Royal Lake (PL 566 Damsite #4), reports from 0.0 to 4.0, the latest 0.0, in reports.REPORTS RECEIVEDreports012343 AM6 AM9 AM12 PM3 PM6 PM9 PMOct 17
Reports received at Royal Lake (PL 566 Damsite #4), reports from 0.0 to 17.0, the latest 0.0, in reports.REPORTS RECEIVEDreports05101520Sun 11Mon 12Tue 13Wed 14Thu 15Fri 16Sat 17
Precipitation at Royal Lake (PL 566 Damsite #4), precipitation from 0.00 to 1.60, the latest 0.08, in inches.PRECIPITATIONin0.000.501.001.502.00Sep 18Sep 23Sep 28Oct 3Oct 8Oct 13
The readings these charts were drawn from, as a table
DayPrecipitation in
Oct 160.08
Oct 150.00
Oct 140.00
Oct 130.00
Oct 120.28
Oct 111.60
Oct 100.00
Oct 90.00
Oct 80.00
Oct 70.00
Oct 60.00
Oct 50.00
Oct 40.16
Oct 30.56
Oct 20.20
Oct 10.00
Sep 300.00
Sep 290.00
Sep 280.00
Sep 270.00
Sep 260.28
Sep 250.00
Sep 240.00
Sep 231.08
Sep 220.60
Sep 210.40
Sep 200.00
Sep 190.00
Sep 180.00

Near Royal Lake (PL 566 Damsite #4)