Sand Island

Ranking Statistics

247 score95.5of 100

Hawaii median

97.3the median score of 381 stations

Scoring higher

257stations in Hawaii

Sharing its score

2ranks 258 to 259

Points deducted

4.54.5 reports received

Counted at the median

Accuracy, forecast checknot measured at this station; Hawaii median 99.9, 100.0

Next above

OOUH1rank 258; ahead on reports received 99.1% against 87.0%

Next below

205308156150901rank 260; 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 3587.130.5 of 35 pointsHawaii median 99.4175 of 201 scheduled reports received in 7 days
2. Arrivalweight 10100.010.0 of 10 pointsHawaii median 84.1half its reports arrived within 7 min
3. Continuityweight 10100.010.0 of 10 pointsHawaii median 100.0longest silence 60 min, on a schedule of one report every 50 min
4. Accuracyweight 20-20.0 of 20 points, at the medianHawaii median 99.9-
5. Instrument checksweight 15100.015.0 of 15 pointsHawaii median 100.00 of 144 readings failed the next day's check against the stations around it
6. Forecast checkweight 10-10.0 of 10 points, at the medianHawaii median 100.0-

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