condition mean min max 2 h after light 21.57615 16.3862 25.159 6 h after light 16.293133333333333 13.2916 20.3127 10 h after light 12.586835 7.06401 19.726 14 h after light 12.865133333333333 10.042 18.0531 18 h after light 17.05835 11.9008 21.4804 2 h after dark 15.238943333333333 8.52156 19.0547