Chehalis River at Porter

Ranking Statistics

247 score95.7of 100

Washington median

93.9the median score of 1,451 stations

Scoring higher

497stations in Washington

Sharing its score

17ranks 498 to 514

Points deducted

4.32.4 arrival, 1.0 accuracy, 0.9 forecast check

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Washington median 95.0, 100.0, 90.8

Next above

TUCW1rank 499; ahead on median arrival 21 min 54 s against 21 min 55 s

Next below

SWYW1rank 509; behind on reports received 100% against 99.4%

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 35100.035.0 of 35 pointsWashington median 98.7168 of 168 scheduled reports received in 7 days
2. Arrivalweight 1076.27.6 of 10 pointsWashington median 90.6half its reports arrived within 22 min
3. Continuityweight 10100.010.0 of 10 pointsWashington median 100.0longest silence 60 min, on a schedule of one report every 60 min
4. Accuracyweight 20-19.0 of 20 points, at the medianWashington median 95.0-
5. Instrument checksweight 15-15.0 of 15 points, at the medianWashington median 100.0-
6. Forecast checkweight 10-9.1 of 10 points, at the medianWashington median 90.8-

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