condition mean min max 4 h after light 0.234569036 0.000197072 0.468941 8 h after light 0.6932 0.0 1.3864 12 h after light 0.0007203369999999999 0.000138304 0.00130237 4 h after dark 1.1286010016366668 4.91e-09 2.77494 8 h after dark 0.36473669129999997 0.0 1.09421 12 h after dark 0.31599533 5.99e-06 0.696876