condition mean min max 4 h after light 10.903030000000001 10.625348 11.180712 8 h after light 9.1163895 8.959227 9.273552 12 h after light 9.147793499999999 8.810689 9.484898 4 h after dark 8.109694000000001 7.908318 8.31107 8 h after dark 9.382866 9.109995 9.655737 12 h after dark 9.913282 9.913282 9.913282