Yazoo River at Shell Bluff

Ranking Statistics

247 score93.8of 100

Mississippi median

95.7the median score of 459 stations

Scoring higher

292stations in Mississippi

Sharing its score

6ranks 293 to 298

Points deducted

6.24.1 arrival, 1.5 reports received, 0.6 forecast check

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Mississippi median 100.0, 100.0, 93.8

Next above

PNLM6rank 292; ahead on 247 score 94.1 against 93.8

Next below

WYCM6rank 299; behind on 247 score 93.8 against 93.6

Sharing its rank

5other 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 3595.833.5 of 35 pointsMississippi median 99.4161 of 168 scheduled reports received in 7 days
2. Arrivalweight 1058.85.9 of 10 pointsMississippi median 86.8half its reports arrived within 31 min
3. Continuityweight 10100.010.0 of 10 pointsMississippi median 100.0longest silence 2 h, on a schedule of one report every 60 min
4. Accuracyweight 20-20.0 of 20 points, at the medianMississippi median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianMississippi median 100.0-
6. Forecast checkweight 10-9.4 of 10 points, at the medianMississippi median 93.8-

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