condition mean min max 2 h after light 64.1853 63.7486 64.5077 6 h after light 61.99746666666667 59.9074 63.2091 10 h after light 53.6974 51.6665 55.9493 2 h after dark 70.0111 68.2266 73.4671 6 h after dark 97.89086666666667 95.3244 102.938 10 h after dark 113.967 110.384 117.145