condition mean min max 0 h after light 2.200735 2.19877 2.2027 4 h after light 2.3600149999999998 2.3044 2.41563 8 h after light 3.4038500000000003 3.3893 3.4184 4 h after dark 4.4821 4.44235 4.52185 8 h after dark 3.112745 2.74531 3.48018 12 h after dark 3.1327249999999998 3.07415 3.1913