condition mean min max 4 h after light 10.787796 10.430185 11.145407 8 h after light 11.2574415 10.623231 11.891652 12 h after light 10.6294725 9.798216 11.460729 4 h after dark 10.249947500000001 10.020134 10.479761 8 h after dark 10.6974185 10.54627 10.848567 12 h after dark 9.471685 9.471685 9.471685