condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.575695 0.0 1.15139 12 h after light 0.0 0.0 0.0 4 h after dark 0.26510133333333336 0.0 0.795304 8 h after dark 0.3745 0.0 1.1235 12 h after dark 0.0 0.0 0.0