Mandan #1 Scan

Ranking Statistics

247 score96.5of 100

North Dakota median

94.3the median score of 312 stations

Scoring higher

85stations in North Dakota

Sharing its score

3ranks 86 to 88

Points deducted

3.51.8 forecast check, 1.3 arrival, 0.4 reports received

Counted at the median

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

Next above

HMDN8rank 87; ahead on reports received 100% against 98.8%

Next below

ND-BT-9rank 89; behind on 247 score 96.5 against 96.4

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 20100.020.0 of 20 pointsNorth Dakota median 100.0its temperature against the airport station KY19, 1.1 miles away, over 159 readings: typical difference 1.6 °F beyond a steady offset of -0.4 °F
5. Instrument checksweight 15100.015.0 of 15 pointsNorth Dakota median 100.00 of 159 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.