condition mean min max 4 h after light 11.831949999999999 11.530352 12.133548 8 h after light 11.917326 11.713122 12.12153 12 h after light 11.6181695 10.748852 12.487487 4 h after dark 10.095450499999998 8.901485 11.289416 8 h after dark 11.82587 11.569638 12.082102 12 h after dark 11.360096 11.360096 11.360096