Durham 2 N

Ranking Statistics

247 score90.1of 100

New Hampshire median

92.0the median score of 385 stations

Scoring higher

205stations in New Hampshire

Sharing its score

2ranks 206 to 207

Points deducted

9.97.3 arrival, 2.4 forecast check, 0.2 accuracy

Counted at the median

Accuracy, instrument checks, forecast checknot measured at this station; New Hampshire median 98.9, 100.0, 76.1

Next above

S2043rank 205; ahead on 247 score 90.2 against 90.1

Next below

54795rank 207; behind on median arrival 90 min 51 s against 90 min 52 s

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 pointsNew Hampshire median 94.384 of 84 scheduled reports received in 7 days
2. Arrivalweight 1027.02.7 of 10 pointsNew Hampshire median 100.0half its reports arrived within 1.5 h
3. Continuityweight 10100.010.0 of 10 pointsNew Hampshire median 100.0longest silence 3.1 h, on a schedule of one report every 2 h
4. Accuracyweight 20-19.8 of 20 points, at the medianNew Hampshire median 98.9-
5. Instrument checksweight 15-15.0 of 15 points, at the medianNew Hampshire median 100.0-
6. Forecast checkweight 10-7.6 of 10 points, at the medianNew Hampshire median 76.1-

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