condition mean min max 4 h after light 14.688208 14.456368 14.920048 8 h after light 14.365393999999998 12.111799 16.618989 12 h after light 15.155735 15.056293 15.255177 4 h after dark 14.895793 14.871538 14.920048 8 h after dark 15.460792999999999 14.920048 16.001538 12 h after dark 16.755603 16.755603 16.755603