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 2.16593 2.12704 2.20482 8 h after light 0.0 0.0 0.0 12 h after light 2.17939 0.0 4.35878 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 1.113825 0.0 2.22765