condition mean min max 3 h after light 12.130133333333333 10.9005 13.4713 6 h after light 13.746566666666666 10.7459 15.2707 9 h after light 14.193633333333333 13.6291 15.0776 12 h after light 13.646925 11.3602 14.9895 3 h after dark 27.583 24.9251 30.0503 6 h after dark 22.3147 21.9182 23.025 9 h after dark 17.7859 17.2269 18.5864 12 h after dark 13.751949999999999 11.2016 16.3023