condition mean min max 4 h after light 2.8960600000000003 2.75511 3.03701 8 h after light 2.297625 2.18314 2.41211 12 h after light 3.1248899999999997 2.76342 3.48636 4 h after dark 4.068043333333334 3.81281 4.40729 8 h after dark 3.408646666666667 2.994 4.23379 12 h after dark 3.14878 3.006 3.30069