Black River at Elyria

Ranking Statistics

247 score96.9of 100

Ohio median

91.4the median score of 1,590 stations

Scoring higher

413stations in Ohio

Sharing its score

46ranks 414 to 459

Points deducted

3.11.9 arrival, 1.0 forecast check, 0.2 reports received

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Ohio median 100.0, 100.0, 90.5

Next above

WTRO1rank 416; ahead on longest silence 95 min against 120 min

Next below

CTFO1rank 438; behind on median arrival 19 min 39 s against 19 min 40 s

Sharing its rank

20other 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 pointsOhio median 85.7167 of 168 scheduled reports received in 7 days
2. Arrivalweight 1080.78.1 of 10 pointsOhio median 90.8half its reports arrived within 20 min
3. Continuityweight 10100.010.0 of 10 pointsOhio median 100.0longest silence 2 h, on a schedule of one report every 60 min
4. Accuracyweight 20-20.0 of 20 points, at the medianOhio median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianOhio median 100.0-
6. Forecast checkweight 10-9.1 of 10 points, at the medianOhio median 90.5-

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