condition mean min max 0 h after light 0.187181 0.0 0.374362 2 h after light 0.0 0.0 0.0 4 h after light 0.088335 0.0 0.17667 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.0895035 0.0 0.179007 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