The temperature on February 23, 1977 was between 4.3 °C and 10.2 °C and averaged 6.9 °C. There was 1.6 mm of rain during 2.2 hours. There was 0.6 hours of sunshine (6%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest.