Ranking Statistics
247 score96.5of 100
- Colorado median
- 93.2the median score of 2,650 stations
- Scoring higher
- 464stations in Colorado
- Sharing its score
- 14ranks 465 to 478
- Points deducted
- 3.51.6 accuracy, 1.3 forecast check, 0.6 arrival
- Counted at the median
- Accuracy, instrument checks, forecast checknot measured at this station; Colorado median 91.9, 100.0, 86.8
- Next above
- DYNC2rank 465; ahead on median arrival 11 min 49 s against 12 min 49 s
- Next below
- JAYC2rank 474; behind on longest silence 60 min against 70 min
- Sharing its rank
- 7other 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.
- Reports receivedweight 35100.035.0 of 35 pointsColorado median 98.8168 of 168 scheduled reports received in 7 days
- Arrivalweight 1094.49.4 of 10 pointsColorado median 90.3half its reports arrived within 13 min
- Continuityweight 10100.010.0 of 10 pointsColorado median 100.0longest silence 60 min, on a schedule of one report every 60 min
- Accuracyweight 20-18.4 of 20 points, at the medianColorado median 91.9-
- Instrument checksweight 15-15.0 of 15 points, at the medianColorado median 100.0-
- Forecast checkweight 10-8.7 of 10 points, at the medianColorado median 86.8-
The score is the weighted mean of its six parts, from the last 7 days. How a station is ranked sets out each part.
How each part is scored
- Reports received
- Full marks for every scheduled report received, none for none, in proportion between
- Arrival
- Full marks for a median arrival within 10 min, none at 60 min
- Continuity
- Full marks for a longest silence of 3 reports or less (3 h), none for 72 (72 h)
- Accuracy
- Full marks within 1.5 °F of its reference, typically, none beyond 8.0 °F
- Instrument checks
- Full marks for no reading failed, none for 5 per cent or more
- Forecast check
- Full marks within 2 °F of the forecast on average, none at 8 °F
The reports received are counted from the network's own archive of this station's reports. Its 247 rank is counted from Storm Station's own record, which holds less than 7 days of it so far: 168 of 168 scheduled reports received, 100%.