tMEAN: month day min year(min) mean n(years) max year(max)
------------------------------------       # Stand: 7/24
 6  1   12.1 23   17.39 11   23.2 18
 6  2   14.1 23   18.06 11   24.8 19
 6  3   14.8 24   18.87 11   23.1 20
 6  4   15.6 20   17.80 11   21.9 16
 6  5   11.8 20   18.36 11   23.6 19
 6  6   12.6 20   17.93 11   21.3 15
 6  7   12.9 17   17.62 11   23.3 18
 6  8   12.3 15   17.49 11   23.4 18
 6  9   12.0 15   18.19 11   24.7 18
 6 10   12.2 24   18.57 11   23.2 21
 6 11   12.3 24   19.14 11   23.7 21
 6 12   12.7 24   18.12 11   22.4 23
 6 13   14.3 24   17.80 11   22.4 15
 6 14   15.3 22   18.08 11   22.8 21
 6 15   13.2 15   18.14 11   21.1 17
 6 16   11.8 15   18.06 11   22.1 18
 6 17   16.6 15   19.88 11   28.3 21
 6 18   15.6 15   20.19 11   25.7 21
 6 19   12.0 15   19.66 11   27.5 21
 6 20   13.2 15   18.56 11   23.3 18
 6 21   14.4 14   18.15 11   24.2 23
 6 22   12.6 15   18.35 11   24.3 17
 6 23   12.9 15   19.07 11   26.3 16
 6 24   13.0 18   19.37 11   24.4 19
 6 25   14.5 14   20.78 11   27.8 19
 6 26   15.3 18   20.85 11   25.7 19
 6 27   16.3 17   19.55 11   25.0 24
 6 28   17.6 19   20.08 11   23.4 21
 6 29   14.8 14   20.15 11   23.5 19
 6 30   14.5 14   19.35 11   27.7 19