condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.204385 0.0 0.40877 4 h after light 0.2676715 0.0 0.535343 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.20267815 0.0305163 0.37484 4 h after dark 0.3635382 0.0271944 0.699882 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0971625 0.0 0.194325