condition mean min max 4 h after light 0.409031 0.0 0.818062 8 h after light 0.0 0.0 0.0 12 h after light 1.157905 0.0 2.31581 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.253878 0.0 0.761634