Mammoth Spring

Ranking Statistics

247 score97.4of 100

Arkansas median

96.0the median score of 678 stations

Scoring higher

204stations in Arkansas

Sharing its score

26ranks 205 to 230

Points deducted

2.62.0 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

EUGA4rank 206; ahead on longest silence 105 min against 120 min

Next below

ACGA4rank 219; behind on median arrival 19 min 48 s against 19 min 49 s

Sharing its rank

9other 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 3599.434.8 of 35 pointsArkansas median 99.4167 of 168 scheduled reports received in 7 days
2. Arrivalweight 1080.48.0 of 10 pointsArkansas median 80.4half its reports arrived within 20 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.