condition mean min max 4 h after light 11.339825999999999 11.292202 11.38745 8 h after light 11.3652195 11.074471 11.655968 12 h after light 10.072133000000001 10.009803 10.134463 4 h after dark 10.938614 10.146757 11.730471 8 h after dark 10.3410565 9.607642 11.074471 12 h after dark 12.11496 12.11496 12.11496