Greystone Heights

Ranking Statistics

247 score95.7of 100

Tennessee median

97.0the median score of 1,019 stations

Scoring higher

545stations in Tennessee

Sharing its score

4ranks 546 to 549

Points deducted

4.33.5 reports received, 0.5 continuity, 0.2 forecast check, 0.1 arrival

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Tennessee median 100.0, 100.0, 98.3

Next above

PTVT1rank 546; ahead on reports received 100% against 90.0%

Next below

NCCT1rank 550; behind on 247 score 95.7 against 95.6

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 3590.131.5 of 35 pointsTennessee median 98.8908 of 1,008 scheduled reports received in 7 days
2. Arrivalweight 1098.79.9 of 10 pointsTennessee median 100.0half its reports arrived within 11 min
3. Continuityweight 1095.19.5 of 10 pointsTennessee median 100.0longest silence 35 min, on a schedule of one report every 10 min
4. Accuracyweight 20-20.0 of 20 points, at the medianTennessee median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianTennessee median 100.0-
6. Forecast checkweight 10-9.8 of 10 points, at the medianTennessee median 98.3-

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