Jacks Fork at Alley Spring

Ranking Statistics

247 score97.2of 100

Missouri median

96.2the median score of 1,014 stations

Scoring higher

319stations in Missouri

Sharing its score

13ranks 320 to 332

Points deducted

2.82.2 arrival, 0.3 forecast check, 0.3 accuracy

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; Missouri median 98.5, 100.0, 96.7

Next above

GRMM7rank 322; ahead on longest silence 75 min against 90 min

Next below

PMRM7rank 326; behind on reports received 100% against 98.8%

Sharing its rank

2other 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 pointsMissouri median 98.9168 of 168 scheduled reports received in 7 days
2. Arrivalweight 1078.07.8 of 10 pointsMissouri median 94.3half its reports arrived within 21 min
3. Continuityweight 10100.010.0 of 10 pointsMissouri median 100.0longest silence 1.5 h, on a schedule of one report every 60 min
4. Accuracyweight 20-19.7 of 20 points, at the medianMissouri median 98.5-
5. Instrument checksweight 15-15.0 of 15 points, at the medianMissouri median 100.0-
6. Forecast checkweight 10-9.7 of 10 points, at the medianMissouri median 96.7-

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