condition mean min max 2 h after light 0.48414166666666664 0.152855 0.786409 6 h after light 0.45562933333333333 0.145771 0.705255 10 h after light 1.1660665000000001 0.411398 3.09784 14 h after light 1.0427225 0.42609 2.08858 18 h after light 0.3939925 0.0 0.785181 2 h after dark 0.7585633333333334 0.310844 1.34751