Tallahatchie River 4 SSE Swan Lake

Ranking Statistics

247 score94.7of 100

Mississippi median

95.5the median score of 464 stations

Scoring higher

271stations in Mississippi

Sharing its score

7ranks 272 to 278

Points deducted

5.34.2 arrival, 0.6 reports received, 0.4 forecast check, 0.1 accuracy

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Mississippi median 99.6, 100.0, 95.6

Next above

325903089232550rank 272; ahead on reports received 99.4% against 98.2%

Next below

OLBM6rank 279; behind on 247 score 94.7 against 94.5

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 3598.234.4 of 35 pointsMississippi median 99.4165 of 168 scheduled reports received in 7 days
2. Arrivalweight 1058.35.8 of 10 pointsMississippi median 88.0half 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 20-19.9 of 20 points, at the medianMississippi median 99.6-
5. Instrument checksweight 15-15.0 of 15 points, at the medianMississippi median 100.0-
6. Forecast checkweight 10-9.6 of 10 points, at the medianMississippi median 95.6-

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