condition mean min max 4 h after light 152.70727349999999 108.18249 197.232057 8 h after light 137.075585 134.838582 139.312588 12 h after light 99.886337 94.924389 104.848285 4 h after dark 67.285816 43.87197 90.699662 8 h after dark 46.350515 44.900145 47.800885 12 h after dark 94.53325 94.53325 94.53325