Calion Lock And Dam

Ranking Statistics

247 score96.0of 100

Arkansas median

96.0the median score of 678 stations

Scoring higher

325stations in Arkansas

Sharing its score

37ranks 326 to 362

Points deducted

4.03.0 arrival, 0.6 reports received, 0.3 forecast check, 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

WARA4rank 350; ahead on longest silence 90 min against 120 min

Next below

BSWA4rank 363; behind on 247 score 96.0 against 95.9

Sharing its rank

10other 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 3598.234.4 of 35 pointsArkansas median 99.4165 of 168 scheduled reports received in 7 days
2. Arrivalweight 1070.47.0 of 10 pointsArkansas median 80.4half its reports arrived within 25 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.