condition mean min max 4 h after light 77.817071 69.51729 86.116852 8 h after light 73.0330625 69.128859 76.937266 12 h after light 77.171336 70.988581 83.354091 4 h after dark 111.6127075 92.645224 130.580191 8 h after dark 102.5787775 79.91972 125.237835 12 h after dark 78.386894 78.386894 78.386894