Shell Island

Ranking Statistics

247 score97.6of 100

Florida median

95.4the median score of 2,338 stations

Scoring higher

609stations in Florida

Sharing its score

43ranks 610 to 652

Points deducted

2.42.2 arrival, 0.2 reports received

Counted at the median

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

Next above

STIF1rank 611; ahead on longest silence 90 min against 120 min

Next below

ARCF1rank 640; behind on median arrival 20 min 49 s against 20 min 51 s

Sharing its rank

24other 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 3599.434.8 of 35 pointsFlorida median 99.4167 of 168 scheduled reports received in 7 days
2. Arrivalweight 1078.47.8 of 10 pointsFlorida median 84.4half its reports arrived within 21 min
3. Continuityweight 10100.010.0 of 10 pointsFlorida 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 medianFlorida median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianFlorida median 100.0-
6. Forecast checkweight 10-10.0 of 10 points, at the medianFlorida median 100.0-

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