condition mean min max 4 h after light 13.030653000000001 10.826481 15.234825 8 h after light 12.82295 10.981517 14.664383 12 h after light 10.9863855 10.617041 11.35573 4 h after dark 10.883388499999999 10.127773 11.639004 8 h after dark 13.734277500000001 12.164764 15.303791 12 h after dark 13.844453 13.844453 13.844453