condition mean min max 0 h after light 0.6153385 0.578335 0.652342 2 h after light 0.7698275 0.732389 0.807266 4 h after light 1.281405 1.20869 1.35412 8 h after light 1.22595 1.10962 1.34228 12 h after light 4.09081 3.94221 4.23941 2 h after dark 2.0752300000000004 1.65924 2.49122 4 h after dark 2.71127 2.36042 3.06212 8 h after dark 1.268675 1.12218 1.41517 12 h after dark 0.720058 0.573457 0.866659