condition mean min max 3 h after light 9.95286 9.06115 11.6559 6 h after light 11.611466666666667 8.2894 13.4632 9 h after light 13.0846 11.3214 14.8961 12 h after light 13.311375 12.3559 14.207 3 h after dark 17.060266666666667 15.8582 19.1297 6 h after dark 12.722 10.9112 14.6668 9 h after dark 9.336969999999999 8.20036 10.8409 12 h after dark 9.376435 8.81738 9.93549