condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.04874855 0.0 0.0974971 8 h after light 0.0 0.0 0.0 12 h after light 0.3769165 0.299689 0.454144 2 h after dark 0.1669985 0.0 0.333997 4 h after dark 0.14520405 0.0992131 0.191195 8 h after dark 0.107886 0.0 0.215772 12 h after dark 0.0 0.0 0.0