condition mean min max 0 h after light 16.320999999999998 16.2239 16.4181 4 h after light 15.72725 15.2671 16.1874 8 h after light 22.7589 22.0227 23.4951 4 h after dark 23.7884 22.9671 24.6097 8 h after dark 21.154249999999998 20.6755 21.633 12 h after dark 16.3081 14.7087 17.9075