Storm Station
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At a river or reservoir gauge

DCP network, identified by the register

Identifier
WATD2
Latitude
38.90110 N
Longitude
76.94310 W
Elevation
-
Listed
Automatically, on 268 reports in 141 hours over the last seven days
Observed
10:08 PMEDT, 36 minutes ago

Ranking Statistics

At a river or reservoir gauge

Drawn as the kind of place it stands at. 0 instruments in District of Columbia stand at one.

Station charts

Watts Branch Washington Dc Report

Rank 7 of 18 in District of Columbia, 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 score94.9of 100

District of Columbia median
89.7the median score of 18 stations
Scoring higher
6stations in District of Columbia
Sharing its score
1no other station
Points deducted
5.13.3 arrival, 1.1 accuracy, 0.7 reports received
Counted at the median
Accuracy, instrument checksnot measured at this station; District of Columbia median 95.1, 100.0
Next above
WASD2rank 6; ahead on 247 score 96.3 against 94.9
Next below
BPAD2rank 8; behind on 247 score 94.9 against 94.5

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 3598.238.2 of 38.9 pointsDistrict of Columbia median 81.9268 of 273 scheduled reports received in 7 days
  2. Arrivalweight 1070.47.8 of 11.1 pointsDistrict of Columbia median 88.2half its reports arrived within 25 min
  3. Continuityweight 10100.011.1 of 11.1 pointsDistrict of Columbia median 100.0longest silence 84 min, on a schedule of one report every 30 min
  4. Accuracyweight 20-21.1 of 22.2 points, at the medianDistrict of Columbia median 95.1-
  5. Instrument checksweight 15-16.7 of 16.7 points, at the medianDistrict of Columbia median 100.0-
  6. Forecast checkweight 10--

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 (1.5 h), none for 72 (36 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 2 min
Reports received, 24 hours
691 of 72095.9% of its schedule
Reports received, 7 days
4,996 of 5,04099.1% of its schedule
Days reported, 30 days
-
Longest silence, 7 days
36 minfrom Oct 15, 10:08 PM
Latest report
Oct 15, 10:08 PMlocal time
Time to reach Storm Station
25 min9 in 10 within 26 min

The reports received are counted from the network's own archive of this station's reports. Its 247 rank is counted from Storm Station's own record, which holds less than 7 days of it so far: 268 of 273 scheduled reports received, 98.1%.

Its schedule is one report every 2 min, 720 in 24 hours. Two reports in the same 2 min count as one received.

Chart of the 18 ranked stations in District of Columbia 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, 0; 10 to 19 per cent, 0; 20 to 29 per cent, 1; 30 to 39 per cent, 0; 40 to 49 per cent, 2; 50 to 59 per cent, 3; 60 to 69 per cent, 3; 70 to 79 per cent, 0; 80 to 89 per cent, 0; 90 to 99 per cent, 5; 100 per cent, 4. Watts Branch Washington Dc received 98.1 per cent, 268 of 273 scheduled reports, rank 7 of 18.WHERE IT RANKS IN DISTRICT OF COLUMBIA, Oct 16THIS ONE: 98.1%, 268 OF 273, RANK 7 OF 18PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS10 to 910 to 1920 to 29130 to 3940 to 49250 to 59360 to 69370 to 7980 to 8990 to 9951004STATIONS, LOG SCALE
Chart of Watts Branch Washington Dc's rank in District of Columbia by how it reported, day by day, from 2026-10-11 to 2026-10-16: 2026-10-11 rank 9 of 17; 2026-10-12 rank 6 of 18; 2026-10-13 rank 7 of 18; 2026-10-14 rank 7 of 18; 2026-10-15 rank 7 of 17; 2026-10-16 rank 7 of 18.ITS RANK IN DISTRICT OF COLUMBIA, DAY BY DAYRANK, FIRST AT THE TOP1246810Oct 11Oct 12Oct 13Oct 14Oct 15Oct 16
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%4
90 to 99%5
80 to 89%0
70 to 79%0
60 to 69%3
50 to 59%3
40 to 49%2
30 to 39%0
20 to 29%1
10 to 19%0
0 to 9%0
DayRankStations rankedShare received
Oct 16, 202671898.1%
Oct 15, 202671799.1%
Oct 14, 202671899.4%
Oct 13, 202671899.2%
Oct 12, 202661898.7%
Oct 11, 202691796.9%
Reports received at Watts Branch Washington Dc, reports from 5.0 to 30.0, the latest 5.0, in reports.REPORTS RECEIVEDreports0102030Oct 153 AM6 AM9 AM12 PM3 PM6 PM9 PM
Reports received at Watts Branch Washington Dc, reports from 5.0 to 30.0, the latest 5.0, in reports.REPORTS RECEIVEDreports0102030Fri 9Sat 10Sun 11Mon 12Tue 13Wed 14Thu 15

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