Sandy Cr at Cornwallis Rd near Durham

Ranking Statistics

247 score99.3of 100

North Carolina median

95.0the median score of 2,255 stations

Scoring higher

543stations in North Carolina

Sharing its score

15ranks 544 to 558

Points deducted

0.70.7 arrival

Counted at the median

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

Next above

BUYrank 544; ahead on median arrival 8 min 36 s against 13 min 36 s

Next below

CUCN7rank 553; behind on longest silence 60 min against 65 min

Sharing its rank

7other 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 35100.035.0 of 35 pointsNorth Carolina median 92.6168 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 60 min, 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.