Mississippi River at Gregory Landing

Ranking Statistics

247 score96.4of 100

Missouri median

96.2the median score of 1,014 stations

Scoring higher

481stations in Missouri

Sharing its score

17ranks 482 to 498

Points deducted

3.62.5 arrival, 0.4 reports received, 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

SLLM7rank 482; ahead on reports received 99.4% against 98.8%

Next below

CLEM7rank 486; behind on reports due 336 against 168, the longer record first

Sharing its rank

2other 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 3598.834.6 of 35 pointsMissouri median 98.9332 of 336 scheduled reports received in 7 days
2. Arrivalweight 1074.87.5 of 10 pointsMissouri median 94.3half its reports arrived within 23 min
3. Continuityweight 10100.010.0 of 10 pointsMissouri median 100.0longest silence 1.5 h, 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.