condition mean min max 4 h after light 0.736667 0.432094 1.04124 8 h after light 1.0448935 0.750177 1.33961 12 h after light 2.69151 2.39009 2.99293 4 h after dark 1.94628 1.54353 2.34903 8 h after dark 2.9181049999999997 2.57226 3.26395 12 h after dark 1.295915 1.26427 1.32756