condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.63057 0.0 1.26114 4 h after light 0.0 0.0 0.0 8 h after light 0.577835 0.0 1.15567 12 h after light 2.56446 0.0 5.12892 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.631725 0.0 1.26345 12 h after dark 0.0 0.0 0.0