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CLIMATE INDEXES

HUGLIN INDEX (IH)

The Huglin Index is an annual climate index commonly used in viticulture, and calculated according to latitude and average and maximum daily temperatures between 1 April and 30 September. The optimal values for viticulture are between 1500 and 2400. Values close to or below 1500 indicate particularly rigid climates, while values close to or above 2400 indicate particularly hot climates. The value shown in the table has been calculated specifically for the area represented by the map, and is the average for the period 2000-2019.

RAINY DAYS (Rd)

The number of rainy days is the number of days, between April 1 and November 30, in which the total amount of rain exceeded 1 mm. The value shown in the table is the average for the period 2000-2019

DAILY MILLIMETRES (mm/d)

The number of mm/day indicates the average daily amount of rain, for each day between 1 April and 30 November, in which the total amount of rain exceeded 1 mm. The value shown in the table is the average for the period 2000-2019.

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Wines of Langhe e Roero

Italia/Piemonte/Langhe e Roero