The temperature on December 30, 1987 was between 7.3 °C and 11.4 °C and averaged 9.5 °C. There was 5.7 mm of rain during 3.0 hours. There was 0.7 hours of sunshine (9%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest.