condition mean min max 0 h after light 1.780945 1.77936 1.78253 4 h after light 1.306855 1.0796 1.53411 8 h after light 5.076905 4.73719 5.41662 4 h after dark 5.049795 4.45364 5.64595 8 h after dark 2.4366849999999998 2.42646 2.44691 12 h after dark 1.8972849999999999 1.47084 2.32373