condition mean min max 4 h after light 0.9981629999999999 0.278089 1.38886 8 h after light 1.3251593333333334 0.382718 2.21588 12 h after light 0.938358 0.601441 1.24575 4 h after dark 1.120747 0.892579 1.47123 8 h after dark 1.7170963333333333 0.818449 2.47671 12 h after dark 1.17486 1.03878 1.29314