The temperature on June 16, 1911 was between 4.9 °C and 19.8 °C and averaged 13.2 °C. There was 9.4 hours of sunshine (56%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
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The Family tree Van Leeuwen publication was prepared by L.H.van Leeuwen (contact is not possible).
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