condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.02579075 0.0 0.0515815 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.02708745 0.0 0.0541749 4 h after dark 0.02624465 0.0 0.0524893 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0