condition mean min max 4 h after light 10477.0 10477.0 10477.0 8 h after light 11985.75 11129.2 12842.3 12 h after light 9044.35 5849.0 12239.7 4 h after dark 6936.35 5765.5 8107.2 8 h after dark 7146.349999999999 5160.9 9131.8 12 h after dark 5747.35 5313.9 6180.8