Pittman Center 3S - Porters Creek

Ranking Statistics

247 score98.5of 100

Tennessee median

97.0the median score of 1,019 stations

Scoring higher

397stations in Tennessee

Sharing its score

2ranks 398 to 399

Points deducted

1.51.1 arrival, 0.2 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

HILT1rank 396; ahead on 247 score 98.6 against 98.5

Next below

WLVT1rank 399; behind on reports due 504 against 168, the longer record first

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 pointsTennessee median 98.8501 of 504 scheduled reports received in 7 days
2. Arrivalweight 1088.78.9 of 10 pointsTennessee median 100.0half its reports arrived within 16 min
3. Continuityweight 10100.010.0 of 10 pointsTennessee median 100.0longest silence 40 min, on a schedule of one report every 20 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.