condition mean min max 0 h after light 1.060566 0.811762 1.30937 2 h after light 1.0431504999999999 0.983771 1.10253 4 h after light 0.3267375 0.320871 0.332604 8 h after light 0.905371 0.733662 1.07708 12 h after light 0.0 0.0 0.0 2 h after dark 0.36402599999999996 0.347651 0.380401 4 h after dark 0.5243215 0.36302 0.685623 8 h after dark 0.5874 0.0 1.1748 12 h after dark 0.8601775 0.672095 1.04826