condition mean min max 4 h after light 19.439697 15.786018 23.093376 8 h after light 24.8426935 22.711855 26.973532 12 h after light 21.338785 20.596282 22.081288 4 h after dark 39.477965 24.230388 54.725542 8 h after dark 39.6146045 22.644078 56.585131 12 h after dark 17.552088 17.552088 17.552088