condition mean min max 0 h after light 16.82395 16.746 16.9019 4 h after light 10.249485 9.52247 10.9765 8 h after light 6.148925 6.05014 6.24771 4 h after dark 11.245225 8.93835 13.5521 8 h after dark 12.948699999999999 12.5438 13.3536 12 h after dark 13.136949999999999 11.2496 15.0243