Juice density (˚Oechsle)

1975-1984

1985-1994

1995-2004

2005-2014

Increase by difference

Increase by

linear regression

Pinot Gris

89.1

99.9

97.0

92.3

3.2

2.8

Pinot Noir (since 1991)

-

85.8

85.3

94.7

8.9

15.6

Silvaner

69.8

79.8

83.5

83.4

13.6

11.2

Riesling

66.4

72.4

83.5

83.4

17.0

12.8

Müller-Thurgau

66.4

72.4

78.9

76.8

12.4

10.0

Juice quantity (hL∙ha−1)

1975-1984

1985-1994

1995-2004

2005-2014

Decrease by difference

Decrease by

linear regression

Pinot Gris

110.6

96.9

103.5

94.0

−15.4

−16.0

Pinot Noir (since 1991)

-

110.0

120.5

93.4

−17.1(−6.6)

−30.2

Silvaner

141.7

100.5

119.4

100.1

−41.6

−5.2

Riesling

128.8

107.2

98.3

105.9

−22.9

−25.2

Müller-Thurgau

150.8

141.3

134.8

115.1

−35.7

−50.4