condition mean min max 3 h after light 0.389678 0.0 0.98916 6 h after light 0.8553983333333334 0.511548 1.30796 9 h after light 0.7637226666666667 0.50673 0.980803 12 h after light 1.0272682499999999 0.0 3.87166 3 h after dark 0.145509 0.0 0.291013 6 h after dark 0.7626896666666667 0.377126 1.04104 9 h after dark 2.27875 1.98777 2.77932 12 h after dark 2.787435 2.69285 2.88202