condition mean min max 4 h after light 356.991674 330.470731 383.512617 8 h after light 416.4878405 385.343991 447.63169 12 h after light 289.655842 253.334528 325.977156 4 h after dark 372.3258485 340.828794 403.822903 8 h after dark 364.160433 315.317391 413.003475 12 h after dark 397.230012 397.230012 397.230012