Washington Channel AT DC/SW Waterfront

Ranking Statistics

247 score96.3of 100

District of Columbia median

89.7the median score of 18 stations

Scoring higher

5stations in District of Columbia

Sharing its score

1no other station

Points deducted

3.71.9 arrival, 1.1 accuracy, 0.7 reports received

Counted at the median

Accuracy, instrument checksnot measured at this station; District of Columbia median 95.1, 100.0

Next above

GTND2rank 5; ahead on 247 score 97.0 against 96.3

Next below

WATD2rank 7; behind on 247 score 96.3 against 94.9

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 3598.238.2 of 38.9 pointsDistrict of Columbia median 81.9671 of 683 scheduled reports received in 7 days
2. Arrivalweight 1083.19.2 of 11.1 pointsDistrict of Columbia median 88.2half its reports arrived within 18 min
3. Continuityweight 10100.011.1 of 11.1 pointsDistrict of Columbia median 100.0longest silence 30 min, on a schedule of one report every 12 min
4. Accuracyweight 20-21.1 of 22.2 points, at the medianDistrict of Columbia median 95.1-
5. Instrument checksweight 15-16.7 of 16.7 points, at the medianDistrict of Columbia median 100.0-
6. Forecast checkweight 10--

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