condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.03919275 0.0 0.0783855 4 h after dark 0.48157000000000005 0.278013 0.685127 8 h after dark 0.1481745 0.136125 0.160224 12 h after dark 0.1227395 0.112671 0.132808