condition mean min max 4 h after light 107.269685 103.693598 110.845772 8 h after light 125.633983 117.609015 133.658951 12 h after light 184.2666385 159.31608 209.217197 4 h after dark 223.397082 175.385903 271.408261 8 h after dark 326.8269345 261.486808 392.167061 12 h after dark 163.924364 163.924364 163.924364