condition mean min max 4 h after light 12.760154 11.36238 14.157928 8 h after light 11.498529000000001 11.43899 11.558068 12 h after light 11.2591055 10.966501 11.55171 4 h after dark 12.344552 11.558068 13.131036 8 h after dark 11.3036885 9.330751 13.276626 12 h after dark 8.487141 8.487141 8.487141