condition mean min max 3 h after light 1.041503 0.908589 1.16064 6 h after light 1.059468 0.787804 1.20469 9 h after light 1.240177 0.706061 1.98694 12 h after light 0.98909675 0.591964 1.20455 3 h after dark 0.7517643333333334 0.590619 0.896343 6 h after dark 0.5098986666666667 0.255178 0.663759 9 h after dark 0.6237106666666666 0.55179 0.660841 12 h after dark 1.1890725 0.929955 1.44819