condition mean min max 4 h after light 12.760911 12.760911 12.760911 8 h after light 13.1239595 12.423532 13.824387 12 h after light 12.2703965 11.031257 13.509536 4 h after dark 12.484072999999999 10.429462 14.538684 8 h after dark 14.3114735 13.218007 15.40494 12 h after dark 11.947468 11.947468 11.947468