Germany

Mosel

1991
51Grapeyear
challenging Configuration

Mosel 1991 Vintage Report

Defining the 1991 vintage in Mosel requires looking beyond the averages, as it was a year of contrasting fortunes and precise timing.

Early challenges emerged with a disrupted flowering phase. 56mm of rain during the bloom caused significant *coulure* (shatter), naturally lowering yields and concentrating the energy into fewer bunches. However, the threat of frost loom large, with 6 distinct cold snaps keeping vineyard managers on high alert during budbreak.

It was a cool, classical season. Reaching only 1010 GDD, the summer never really spiked in temperature, favoring the development of fresh aromatics over sheer power.

Harvest proceeded under mixed skies, requiring agility to dodge the 80mm of rain that fell sporadically during the picking weeks.

**Style:** Classically proportioned wines with good balance and terroir expression.

About Mosel

The Mosel Valley is defined by its breathtakingly steep slate vineyards along the river. It produces the world's lightest, most delicate Rieslings, balancing razor-sharp acidity with floral sweetness.

Climatic Blueprint

Growing Degree Days (GDD)

1010

Total Rainfall

297 mm

Sunshine Hours

2043 hrs

Diurnal Shift

8.9 °C

Frost Days

0 days

Average Temperature

14 °C

Historical Context (10 Years)

Comparison of growing season heat accumulation vs regional average.

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