von Bezold [ 29 ],

vB1906,

Börnstein [ 35 ],

Bö1913,

“Complete dataset”

15.5

13.7

1.8

14.5

15.1

13.6

1.5

14.3

von Bezold [ 29 ],

vB1906,

Börnstein [ 35 ]

Bö1913,

“Reduced dataset”

15.4

13.5

1.9

14.5

15.1

13.5

1.6

14.3

Defant and Obst [ 36 ],

De1923

14.7

13.1

1.6

13.9

15.2

13.7

1.5

14.5

Köppen [ 37 ], T_min

9.1

7.8

1.3

8.4

11.4

10.5

0.9

10.9

Köppen [ 37 ], T_max

17.0

13.8

3.2

15.4

19.6

16.4

3.2

18.0

von Hann-Süring [ 38 ],

vHS1939

15.1

13.2

1.9

14.2

14.9

13.2

1.7

14.0

Haurwitz and

Austin [ 40 ]

14.7

12.5

2.2

13.6

15.1

13.1

2.0

14.1

Sellers [ 39 ], Se1965

12.7

11.1

1.6

11.9

13.1

11.8

1.3

12.5

Kramm et al. [ 44 ]

−52.0

−52.8

0.8

−52.4

−51.9

−52.7

0.8

−52.3