FILM Prototype testing  Saterday 4 september 2009
Wind: Mean 9.2 m/s (5 Bft, 17.8 knots) Maximum hourly mean 12 m/s (6 Bft, 23.3 knots) Maximum gust
16.0 m/s. (7 Bft) Winddirection West, sunshine duration 71% Maximum temperature 17.4.  Place Luts, near Slotermeer (sheltered by trees), Netherlands