Update README.md

Changing 1981 as start time for data to 1985

README.md

@@ -128,7 +128,7 @@ On the other hand, the target high-resolution grid (CERRA) correspond to a 2D ma
       latitude: [44.95, 37]
 ```
 
-The data samples used for training corresponds to the period from 1981 and 2013 (both included) and from 2014 to 2017 for per-epoch validation.
+The data samples used for training corresponds to the period from 1985 and 2013 (both included) and from 2014 to 2017 for per-epoch validation.
 
 ## Training Procedure