BLACK RIVER AT Elgin Ferry DCP

Ranking Statistics

247 score95.5of 100

Arkansas median

96.0the median score of 678 stations

Scoring higher

373stations in Arkansas

Sharing its score

3ranks 374 to 376

Points deducted

4.53.9 arrival, 0.3 forecast check, 0.2 reports received, 0.1 accuracy

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Arkansas median 99.3, 100.0, 97.3

Next above

PAGA4rank 374; ahead on median arrival 29 min 15 s against 29 min 25 s

Next below

RDTA4rank 377; behind on 247 score 95.5 against 95.4

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 pointsArkansas median 99.4167 of 168 scheduled reports received in 7 days
2. Arrivalweight 1061.26.1 of 10 pointsArkansas median 80.4half its reports arrived within 29 min
3. Continuityweight 10100.010.0 of 10 pointsArkansas median 100.0longest silence 2 h, on a schedule of one report every 60 min
4. Accuracyweight 20-19.9 of 20 points, at the medianArkansas median 99.3-
5. Instrument checksweight 15-15.0 of 15 points, at the medianArkansas median 100.0-
6. Forecast checkweight 10-9.7 of 10 points, at the medianArkansas median 97.3-

The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.