condition mean min max 2 h after light 1.656221 0.647766 3.41238 6 h after light 2.2036 1.19545 2.70102 10 h after light 1.3006266666666666 0.657206 2.4895 14 h after light 1.285241 0.600938 2.18839 18 h after light 1.6792113333333334 0.708728 3.09512 2 h after dark 0.9546923333333334 0.425588 1.53647