condition mean min max 4 h after light 144.3622005 98.962079 189.762322 8 h after light 189.6259635 133.250639 246.001288 12 h after light 215.54866550000003 177.875265 253.222066 4 h after dark 184.631871 128.262454 241.001288 8 h after dark 172.526792 122.744604 222.30898 12 h after dark 137.847441 137.847441 137.847441