condition mean min max 0 h after light 2.698995 2.5039 2.89409 4 h after light 3.81555 3.35098 4.28012 8 h after light 7.25971 7.23112 7.2883 4 h after dark 8.865165000000001 7.65283 10.0775 8 h after dark 5.985965 5.70064 6.27129 12 h after dark 4.463685 2.75883 6.16854