Rock Creek at Joyce Road - Rock Creek

Ranking Statistics

247 score94.3of 100

District of Columbia median

89.7the median score of 18 stations

Scoring higher

8stations in District of Columbia

Sharing its score

1no other station

Points deducted

5.74.0 arrival, 1.1 accuracy, 0.4 reports received, 0.2 continuity

Counted at the median

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

Next above

BPAD2rank 8; ahead on 247 score 94.5 against 94.3

Next below

DW6279rank 10; behind on 247 score 94.3 against 85.0

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 3598.938.5 of 38.9 pointsDistrict of Columbia median 81.9270 of 273 scheduled reports received in 7 days
2. Arrivalweight 1064.37.1 of 11.1 pointsDistrict of Columbia median 88.2half its reports arrived within 28 min
3. Continuityweight 1098.310.9 of 11.1 pointsDistrict of Columbia median 100.0longest silence 1.6 h, on a schedule of one report every 30 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.