season

winter

spring

summer

autumn

eigenvector

1

2

1

2

1

2

1

2

variance contributions

74.2

6.4

71.5

6.6

48.8

11.0

57.2

9.5

cumulative variance contributions

74.2

80.6

71.5

78.1

48.8

59.8

57.2

66.7