condition mean min max 4 h after light 553.919052 322.530283 785.307821 8 h after light 489.66969300000005 409.868492 569.470894 12 h after light 413.7422835 270.779871 556.704696 4 h after dark 240.90587800000003 180.763516 301.04824 8 h after dark 189.2705185 184.462826 194.078211 12 h after dark 241.709217 241.709217 241.709217