Op zondag 18 maart 2018 22:16:53 UTC+1 schreef Colin Youngs:
Brussels on Sunday 18th March 2018
Brussels Uccle -0.2°C – overnight minimum -2.9°C
Sunday 18th March has been the latest winter/spring ice day recorded at Uccle in a harmonised record going back to 1901.
http://deredactie.be/cm/vrtnieuws.en...News/1.3165651
Previous latest date for an ice day was 12th March 2013 when the maximum was -1.3°C
https://tinyurl.com/yavdwbz4 .
Graph showing the number of ice days recorded at Uccle in each winter since 1835-1836. Figures up to 1900 are less reliable, being accurate only within a margin of +/- 0.4 deg. C and based on maximum temperatures read at 19.00 hours. Figures from 1901 onwards are accurate to +/- 0.1 deg.C and based on maximum temperatures over the period 00.00 to 24.00 hours.
https://www.frankdeboosere.be/klimaatukkel/ijsdagen.php
Colin Youngs
Brussels