Mitchellville

Ranking Statistics

247 score97.8of 100

Maryland median

89.0the median score of 736 stations

Scoring higher

116stations in Maryland

Sharing its score

4ranks 117 to 120

Points deducted

2.20.8 forecast check, 0.6 reports received, 0.6 arrival, 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

IWBM2rank 118; ahead on reports received 99.4% against 98.2%

Next below

WMHM2rank 120; behind on reports due 170 against 168, the longer record first

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 pointsMaryland median 82.1167 of 170 scheduled reports received in 7 days
2. Arrivalweight 1094.19.4 of 10 pointsMaryland median 94.0half its reports arrived within 13 min
3. Continuityweight 10100.010.0 of 10 pointsMaryland median 100.0longest silence 63 min, on a schedule of one report every 59 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.