condition mean min max 0 h after light 0.054472 0.0 0.108944 2 h after light 0.0 0.0 0.0 4 h after light 0.02669745 0.0 0.0533949 8 h after light 0.056255 0.0 0.11251 12 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0 4 h after dark 0.07952185 0.0543347 0.104709 8 h after dark 0.0295422 0.0 0.0590844 12 h after dark 0.0 0.0 0.0