Flatlick Branch AT Chantilly

Ranking Statistics

247 score97.2of 100

Virginia median

95.9the median score of 1,541 stations

Scoring higher

596stations in Virginia

Sharing its score

22ranks 597 to 618

Points deducted

2.81.8 arrival, 0.6 reports received, 0.4 forecast check

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Virginia median 100.0, 100.0, 96.5

Next above

SMSV2rank 596; ahead on 247 score 97.3 against 97.2

Next below

ALTV2rank 605; behind on median arrival 18 min 53 s against 18 min 54 s

Sharing its rank

7other 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 3598.234.4 of 35 pointsVirginia median 97.9165 of 168 scheduled reports received in 7 days
2. Arrivalweight 1082.28.2 of 10 pointsVirginia median 92.7half its reports arrived within 19 min
3. Continuityweight 10100.010.0 of 10 pointsVirginia median 100.0longest silence 2 h, on a schedule of one report every 60 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 10-9.7 of 10 points, at the medianVirginia median 96.5-

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.