condition mean min max 4 h after light 1.2521200000000001 1.0865 1.49041 8 h after light 2.204391333333333 0.493924 3.95832 12 h after light 2.2132366666666665 1.03444 3.20647 4 h after dark 2.8153 2.59839 3.19841 8 h after dark 2.3177399999999997 1.57143 3.21154 12 h after dark 2.6418299999999997 1.9984 3.37796