condition mean min max 3 h after light 1.6377923333333335 0.988377 2.32941 6 h after light 0.5710746666666666 0.326683 0.702719 9 h after light 0.9803080000000001 0.34805 2.20792 12 h after light 1.8246175 1.24121 2.57869 3 h after dark 2.2009 1.00577 3.59809 6 h after dark 2.9592066666666668 1.99166 3.45375 9 h after dark 1.178498 0.364083 2.58403 12 h after dark 1.4310180000000001 0.395906 2.46613