Ship

Mean ± StDev (-.-)

Skewness

Kurtosis

Sample size

Amundsen

0.138 ± 0.055

0.127 ± 0.056

−0.0

−0.3

−1.0

−1.0

64

Healy

0.064 ± 0.015

0.047 ± 0.040

0.5

2.6

−0.1

8.7

51

Jan-Mayen

0.089 ± 0.003

0.096 ± 0.018

−1.0

0.5

−0.8

−1.4

4

Louis St. Laurent

0.048 ± 0.005

0.038 ± 0.007

0.9

−0.1

−0.0

−0.5

7

Oceania

0.078 ± 0.044

0.081 ± 0.055

1.5

2.5

2.1

8.5

384

Polarstern

0.081 ± 0.029

0.093 ± 0.035

0.3

0.5

−1.1

−1.1

101