condition mean min max 3 h after light 0.4766743333333333 0.187263 0.69599 6 h after light 0.4502736666666667 0.0 0.989674 9 h after light 0.394665 0.0 0.777382 12 h after light 0.72012775 0.453962 1.20179 3 h after dark 1.1290253333333333 0.703766 1.41647 6 h after dark 0.42893699999999996 0.121602 0.604219 9 h after dark 0.137873 0.0 0.413619 12 h after dark 0.356467 0.278787 0.434147