condition mean min max 3 h after light 9.225353333333334 8.86148 9.79128 6 h after light 7.26326 6.55504 7.77869 9 h after light 6.065953333333333 5.4712 6.75217 12 h after light 7.1183325 6.86973 7.36013 3 h after dark 9.98926 9.76328 10.219 6 h after dark 11.759066666666667 11.3642 12.2072 9 h after dark 10.6036 10.4286 10.8254 12 h after dark 7.97274 6.36734 9.57814