Mandan #1

Ranking Statistics

247 score96.4of 100

North Dakota median

94.3the median score of 312 stations

Scoring higher

88stations in North Dakota

Sharing its score

4ranks 89 to 92

Points deducted

3.61.8 forecast check, 1.3 arrival, 0.4 reports received, 0.1 accuracy

Counted at the median

Arrival, forecast checknot measured at this station; North Dakota median 86.7, 82.5

Next above

ND-LM-3rank 90; ahead on reports received 100% against 98.8%

Next below

FLRN8rank 92; behind on reports received 98.8% against 95.8%

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 3598.834.6 of 35 pointsNorth Dakota median 98.2166 of 168 scheduled reports received in 7 days
2. Arrivalweight 10-8.7 of 10 points, at the medianNorth Dakota median 86.7-
3. Continuityweight 10100.010.0 of 10 pointsNorth Dakota median 100.0longest silence 2 h, on a schedule of one report every 60 min
4. Accuracyweight 2099.619.9 of 20 pointsNorth Dakota median 100.0its temperature against the airport station KY19, 1.1 miles away, over 133 readings: typical difference 1.6 °F beyond a steady offset of -0.1 °F
5. Instrument checksweight 15100.015.0 of 15 pointsNorth Dakota median 100.00 of 133 readings failed their check against its reference station
6. Forecast checkweight 10-8.3 of 10 points, at the medianNorth Dakota median 82.5-

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