condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.081812 0.0 0.245436 12 h after light 0.0 0.0 0.0 4 h after dark 0.7165496666666666 0.572406 0.902189 8 h after dark 0.467518 0.0 0.90188 12 h after dark 0.4367563333333333 0.0 1.05741