Table 2

Meteorological seasons for the study site near Potsdam, Germany
Season Months Daylight hours Change in daylength *Mean T (C°) *T (min-max) (C°)
Winter Dec-Feb 7.5 - 10.8 Stable 4.3 −7.5 - 6.5
Spring Mar-May 10.8 - 16.5 Increasing 15.5 0.2 - 22.1
Summer June-Aug 13.1 - 16.8 Stable 22.6 11.5 - 29.3
Autumn Sep-Nov 13.1 - 8.0 Decreasing 15.8 1.3 - 21.1

*T = Temperatures for the years 2010–2012 using data from the German Weather Service (dwd.de) for Potsdam: Mean T: mean of 9 monthly (3 months from each of the 3 years) means (arithmetic means of daily mean temperature), minimum and maximum: extreme values of monthly extremes (arithmetic means of daily extremes).

Eccard and Herde

Eccard and Herde BMC Ecology 2013 13:43   doi:10.1186/1472-6785-13-43

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