condition mean min max 0 h after light 193.5325 189.696 197.369 4 h after light 83.68185 79.7871 87.5766 8 h after light 42.872299999999996 41.8488 43.8958 4 h after dark 55.5 48.5901 62.4099 8 h after dark 100.32785 98.6227 102.033 12 h after dark 161.37 129.988 192.752