condition mean min max 3 h after light 1.9126145 0.367558 7.09679 7 h after light 1.13378525 0.255722 3.54773 11 h after light 0.8819835 0.175921 2.51557 2 h after dark 0.9517005 0.142156 3.59169 6 h after dark 1.184108325 0.0905649 3.59088 10 h after dark 2.019510583333333 0.259765 7.98856