condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.040168666666666665 0.0 0.120506 12 h after light 0.013200366666666666 0.0 0.0396011 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0