condition mean min max 4 h after light 14.249159 13.679553 14.818765 8 h after light 12.923835 11.620197 14.227473 12 h after light 14.639161 13.363468 15.914854 4 h after dark 20.139290000000003 19.365704 20.912876 8 h after dark 26.254421999999998 24.350173 28.158671 12 h after dark 10.141265 10.141265 10.141265