Cold, but as much bright sunshine as might be expected at this time of year, but of course there is no warmth in it. Did the shopping in the morning and walked up Grand Drive and across what was the playing fields past the camp. Fitted the hinged rudder to tail of Williams aero. Aeroplane hovering about late at night - friend or foe I do not know. There was no warning but usually the warning follows the commencement of a raid so what good it is I do not know.