Precipitation analysis by the German Weather Service (DWD). The product includes 24-h precipitation sums from 7:30 a.m. till 7:30 a.m. next day with a spatial resolution of 30'' * 60''. The orographical influence is taken into account by a regression method. This first version is generated from online data stored in gop1_rai_dwd1. For more information see http://gop.meteo.uni-koeln.de/gop/doku.php?id=dwd_regnie