condition mean min max 2 h after light 1.6045235 0.933231 2.34103 6 h after light 1.0886995 0.71761 1.42064 10 h after light 1.2046206666666666 0.52565 2.23086 14 h after light 1.7441571666666666 0.466923 2.70902 18 h after light 1.522587 0.684842 3.65693 2 h after dark 1.3081561666666666 0.7816 2.47279