Thayerville - Arrowhead Run

Ranking Statistics

247 score96.7of 100

Maryland median

89.0the median score of 736 stations

Scoring higher

196stations in Maryland

Sharing its score

7ranks 197 to 203

Points deducted

3.31.5 arrival, 0.8 reports received, 0.8 forecast check, 0.2 accuracy

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Maryland median 99.0, 100.0, 92.1

Next above

BIKM2rank 200; ahead on median arrival 17 min 34 s against 17 min 36 s

Next below

LUTM2rank 204; behind on 247 score 96.7 against 96.6

Sharing its rank

2other 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 3597.634.2 of 35 pointsMaryland median 82.1164 of 168 scheduled reports received in 7 days
2. Arrivalweight 1084.88.5 of 10 pointsMaryland median 94.0half its reports arrived within 18 min
3. Continuityweight 10100.010.0 of 10 pointsMaryland median 100.0longest silence 2 h, on a schedule of one report every 60 min
4. Accuracyweight 20-19.8 of 20 points, at the medianMaryland median 99.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianMaryland median 100.0-
6. Forecast checkweight 10-9.2 of 10 points, at the medianMaryland median 92.1-

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