Table 1 Summary statistics for flight heights in relation to mean sea level produced from GPS and altimeters in relation to study colony and year for sampling rate resolutions of five minutes and ten seconds
Rate | Colony | Year | Method | Altitude (m) | |||||
|---|---|---|---|---|---|---|---|---|---|
Mean | Median | Min | Max | 25% Percentile | 75% Percentile | ||||
Five Minutes | Combined | Combined | GPS | 43.45 | 13.00 | − 975.00 | 12,328.00 | 1.00 | 52.00 |
Altimeter | 45.25 | 26.40 | − 87.99 | 1069.89 | 7.49 | 58.43 | |||
Havergate | 2019 | GPS | 31.01 | 13.00 | − 514.00 | 4812.00 | 2.00 | 44.75 | |
Altimeter | 36.47 | 29.30 | − 70.49 | 1011.57 | 9.45 | 55.94 | |||
2020 | GPS | 29.21 | 18.00 | − 714.00 | 1213.00 | 3.00 | 45.00 | ||
Altimeter | 20.52 | 18.24 | − 87.99 | 147.29 | − 1.01 | 42.25 | |||
Isle of May | 2019 | GPS | 49.81 | 12.00 | − 975.00 | 12,328.00 | 0.00 | 57.00 | |
Altimeter | 52.36 | 27.37 | − 50.69 | 1069.89 | 8.91 | 64.21 | |||
2020 | GPS | 45.01 | 26.00 | − 432.00 | 554.00 | 1.00 | 58.00 | ||
Altimeter | 41.49 | 20.52 | − 57.00 | 564.30 | 0.94 | 56.23 | |||
Ten Seconds | Combined | Combined | GPS | 27.07 | 22.00 | − 1079.00 | 1218.00 | 3.00 | 47.00 |
Altimeter | 40.64 | 34.01 | − 136.49 | 1787.97 | 14.65 | 59.09 | |||
Havergate | 2019 | GPS | 25.26 | 17.00 | − 206.00 | 405.00 | 3.00 | 41.00 | |
Altimeter | 39.29 | 32.24 | − 136.49 | 1787.97 | 14.71 | 56.40 | |||
2020 | GPS | 26.28 | 30.00 | − 1079.00 | 1218.00 | 10.00 | 51.00 | ||
Altimeter | 39.07 | 35.02 | − 90.33 | 999.05 | 14.02 | 60.89 | |||
Isle of May | 2019 | GPS | 31.68 | 18.00 | − 15.00 | 636.00 | 1.00 | 51.00 | |
Altimeter | 47.96 | 38.54 | − 42.23 | 920.23 | 14.99 | 67.27 | |||
2020 | GPS | 34.68 | 35.00 | − 4.00 | 106.00 | 14.00 | 53.00 | ||
Altimeter | 34.08 | 36.83 | − 65.54 | 148.90 | 13.68 | 55.84 | |||