The temperature on March 6, 1911 was between -0.3 °C and 7.7 °C and averaged 3.1 °C. There was 4.6 hours of sunshine (41%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Pieter, "West-Europese adel", database, Genealogy Online (https://www.genealogieonline.nl/west-europese-adel/I194811.php : accessed October 31, 2024), "Maria Caroline Henriëtte "Maria Caroline" van Thun-Hohenstein-Tetschen (1911-)".
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