Spring Valley

Ranking Statistics

247 score73.5of 100

Texas median

95.4the median score of 4,689 stations

Scoring higher

4,347stations in Texas

Sharing its score

7ranks 4,348 to 4,354

Points deducted

26.523.2 reports received, 1.7 arrival, 1.6 continuity

Counted at the median

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

Next above

AHTT2rank 4,351; ahead on reports received 37.1% against 33.7%

Next below

DITT2rank 4,354; behind on median arrival 18 min 15 s against 18 min 31 s

Sharing its rank

1other 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 3533.711.8 of 35 pointsTexas median 97.585 of 252 scheduled reports received in 7 days
2. Arrivalweight 1083.58.4 of 10 pointsTexas median 92.0half its reports arrived within 18 min
3. Continuityweight 1083.88.4 of 10 pointsTexas median 100.0longest silence 3.4 h, on a schedule of one report every 40 min
4. Accuracyweight 20-20.0 of 20 points, at the medianTexas median 100.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianTexas median 100.0-
6. Forecast checkweight 10-10.0 of 10 points, at the medianTexas median 100.0-

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