condition mean min max 4 h after light 67.920608 66.557866 69.28335 8 h after light 145.05299150000002 116.998955 173.107028 12 h after light 113.4803925 90.788439 136.172346 4 h after dark 139.8739885 115.592843 164.155134 8 h after dark 108.3695005 93.118604 123.620397 12 h after dark 44.416637 44.416637 44.416637