condition mean min max 0 h after light 0.269173 0.239502 0.298844 4 h after light 0.09036440000000001 0.0589288 0.1218 8 h after light 0.7198395 0.709586 0.730093 4 h after dark 0.5292335 0.471461 0.587006 8 h after dark 0.38410999999999995 0.356166 0.412054 12 h after dark 0.411319 0.238754 0.583884