condition mean min max 4 h after light 4.969876666666667 4.86786 5.16108 8 h after light 4.829566666666667 4.7035800000000005 4.97328 12 h after light 4.802696666666667 4.6653400000000005 5.02729 4 h after dark 4.91375 4.80854 5.07331 8 h after dark 4.89726 4.78466 4.97435 12 h after dark 4.87714 4.77011 4.96581