Chapel Hill - Bolin Creek

Ranking Statistics

247 score99.1of 100

North Carolina median

95.0the median score of 2,255 stations

Scoring higher

577stations in North Carolina

Sharing its score

33ranks 578 to 610

Points deducted

0.90.7 arrival, 0.2 reports received

Counted at the median

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

Next above

SPDN7rank 592; ahead on reports due 336 against 168, the longer record first

Next below

FRRN7rank 601; behind on longest silence 90 min against 120 min

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 pointsNorth Carolina median 92.6167 of 168 scheduled reports received in 7 days
2. Arrivalweight 1092.89.3 of 10 pointsNorth Carolina median 95.2half its reports arrived within 14 min
3. Continuityweight 10100.010.0 of 10 pointsNorth Carolina median 100.0longest silence 1.5 h, on a schedule of one report every 60 min
4. Accuracyweight 20-20.0 of 20 points, at the medianNorth Carolina median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianNorth Carolina median 100.0-
6. Forecast checkweight 10-10.0 of 10 points, at the medianNorth Carolina 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.