Calderwood Dam

Ranking Statistics

247 score91.7of 100

Tennessee median

97.0the median score of 1,019 stations

Scoring higher

676stations in Tennessee

Sharing its score

1no other station

Points deducted

8.38.1 arrival, 0.2 forecast check

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Tennessee median 100.0, 100.0, 98.3

Next above

S2075rank 676; ahead on 247 score 91.9 against 91.7

Next below

TN-MY-37rank 678; behind on 247 score 91.7 against 91.6

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 35100.035.0 of 35 pointsTennessee median 98.8168 of 168 scheduled reports received in 7 days
2. Arrivalweight 1018.91.9 of 10 pointsTennessee median 100.0half its reports arrived within 51 min
3. Continuityweight 10100.010.0 of 10 pointsTennessee median 100.0longest silence 66 min, on a schedule of one report every 60 min
4. Accuracyweight 20-20.0 of 20 points, at the medianTennessee median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianTennessee median 100.0-
6. Forecast checkweight 10-9.8 of 10 points, at the medianTennessee median 98.3-

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