Meramec River at Valley Park

Ranking Statistics

247 score96.7of 100

Missouri median

96.2the median score of 1,014 stations

Scoring higher

362stations in Missouri

Sharing its score

11ranks 363 to 373

Points deducted

3.32.6 arrival, 0.3 forecast check, 0.3 accuracy, 0.1 reports received

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Missouri median 98.5, 100.0, 96.7

Next above

CANM7rank 365; ahead on median arrival 22 min 36 s against 22 min 51 s

Next below

TRYM7rank 371; behind on reports received 99.7% against 99.4%

Sharing its rank

4other 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 3599.734.9 of 35 pointsMissouri median 98.9335 of 336 scheduled reports received in 7 days
2. Arrivalweight 1074.37.4 of 10 pointsMissouri median 94.3half its reports arrived within 23 min
3. Continuityweight 10100.010.0 of 10 pointsMissouri median 100.0longest silence 60 min, on a schedule of one report every 30 min
4. Accuracyweight 20-19.7 of 20 points, at the medianMissouri median 98.5-
5. Instrument checksweight 15-15.0 of 15 points, at the medianMissouri median 100.0-
6. Forecast checkweight 10-9.7 of 10 points, at the medianMissouri median 96.7-

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