condition mean min max 4 h after light 13.510133333333334 11.3556 14.936 8 h after light 13.442590000000001 4.56497 20.6762 12 h after light 15.186493333333333 9.87888 20.6893 4 h after dark 20.7623 18.4786 22.8183 8 h after dark 14.132993333333333 9.65848 17.4841 12 h after dark 14.9076 13.5871 16.1767