condition mean min max 3 h after light 5.687390000000001 2.62499 8.94222 6 h after light 12.370136666666667 5.79951 19.0238 9 h after light 12.84167 9.89691 15.6709 12 h after light 9.96297 7.21911 12.1735 3 h after dark 12.773266666666666 10.9572 14.3849 6 h after dark 12.08669 8.51185 18.2014 9 h after dark 11.17989 8.50647 12.8188 12 h after dark 18.933433333333333 14.7813 25.5903