condition mean min max 2 h after light 2.58334 1.88999 4.01111 6 h after light 1.650389 0.985315 3.06456 10 h after light 1.5045089999999999 0.934004 1.86132 14 h after light 1.611674 0.560214 2.34023 18 h after light 2.04264 1.67082 2.56691 2 h after dark 1.687675 1.30943 2.27707