condition mean min max 4 h after light 0.817833 0.756843 0.878823 8 h after light 0.8436085 0.77368 0.913537 12 h after light 0.652271 0.50057 0.803972 4 h after dark 0.505564 0.501936 0.509192 8 h after dark 0.5870305 0.512885 0.661176 12 h after dark 0.6452694999999999 0.551872 0.738667