condition mean min max 4 h after light 0.13381285 0.0990487 0.168577 8 h after light 0.08061095 0.0460249 0.115197 12 h after light 0.04413755 0.0439739 0.0443012 4 h after dark 0.041159299999999996 0.0 0.0836927 8 h after dark 0.13337743333333335 0.0513683 0.224813 12 h after dark 0.0355489 0.0 0.0578173