condition mean min max 4 h after light 0.36663100000000004 0.220918 0.512344 8 h after light 0.8575524999999999 0.373015 1.34209 12 h after light 0.868805 0.785617 0.951993 4 h after dark 2.802896666666667 2.30363 3.14383 8 h after dark 3.604883333333333 2.30281 4.32731 12 h after dark 2.61504 2.34294 2.95816