condition mean min max 4 h after light 2.283125 1.76232 2.80393 8 h after light 2.4392300000000002 2.23154 2.64692 12 h after light 4.410005 4.17378 4.64623 4 h after dark 6.042806666666666 5.68546 6.22607 8 h after dark 5.8055699999999995 5.14687 6.20201 12 h after dark 2.4822866666666665 2.30491 2.67373