Parsons

Ranking Statistics

247 score99.5of 100

Tennessee median

97.0the median score of 1,019 stations

Scoring higher

282stations in Tennessee

Sharing its score

26ranks 283 to 308

Points deducted

0.50.3 reports received, 0.2 forecast check

Counted at the median

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

Next above

SHVT1rank 300; ahead on reports due 336 against 229, the longer record first

Next below

CHArank 309; behind on 247 score 99.5 against 99.4

Sharing its rank

4other 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 3599.134.7 of 35 pointsTennessee median 98.8227 of 229 scheduled reports received in 7 days
2. Arrivalweight 10100.010.0 of 10 pointsTennessee median 100.0half its reports arrived within 4 min
3. Continuityweight 10100.010.0 of 10 pointsTennessee median 100.0longest silence 61 min, on a schedule of one report every 44 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.