Chimney Picnic Area

Ranking Statistics

247 score90.0of 100

Tennessee median

97.0the median score of 1,019 stations

Scoring higher

692stations in Tennessee

Sharing its score

2ranks 693 to 694

Points deducted

10.08.3 reports received, 1.1 arrival, 0.4 continuity, 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

2M8rank 693; ahead on reports received 88.2% against 76.3%

Next below

BWVT1rank 695; behind on 247 score 90.0 against 89.8

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 3576.426.7 of 35 pointsTennessee median 98.8220 of 288 scheduled reports received in 7 days
2. Arrivalweight 1088.88.9 of 10 pointsTennessee median 100.0half its reports arrived within 16 min
3. Continuityweight 1095.89.6 of 10 pointsTennessee median 100.0longest silence 2 h, on a schedule of one report every 35 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.