Blackwater River 1 NW Valley City

Ranking Statistics

247 score89.0of 100

Missouri median

96.2the median score of 1,014 stations

Scoring higher

764stations in Missouri

Sharing its score

1no other station

Points deducted

11.05.8 reports received, 4.6 arrival, 0.3 forecast check, 0.3 accuracy

Counted at the median

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

Next above

OZRM7rank 764; ahead on 247 score 89.2 against 89.0

Next below

S2224rank 766; behind on 247 score 89.0 against 88.9

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 3583.529.2 of 35 pointsMissouri median 98.9187 of 224 scheduled reports received in 7 days
2. Arrivalweight 1054.15.4 of 10 pointsMissouri median 94.3half its reports arrived within 33 min
3. Continuityweight 10100.010.0 of 10 pointsMissouri median 100.0longest silence 75 min, on a schedule of one report every 45 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.