condition mean min max 4 h after light 0.01255595 0.0 0.0251119 8 h after light 0.0171602 0.0 0.0343204 12 h after light 0.03554405 0.0 0.0710881 4 h after dark 0.0188183 0.0 0.0564549 8 h after dark 0.0 0.0 0.0 12 h after dark 0.04593466666666667 0.0 0.137804