condition mean min max 0 h after light 3.1633 2.79424 3.53236 4 h after light 12.152275 9.05205 15.2525 8 h after light 1.33544 1.31642 1.35446 4 h after dark 0.556944 0.326703 0.787185 8 h after dark 3.85051 3.53826 4.16276 12 h after dark 4.62108 3.58777 5.65439