condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.16678199999999999 0.142592 0.190972 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.114419 0.0 0.228838 12 h after dark 0.0750965 0.0 0.150193