condition mean min max 4 h after light 0.8997093333333334 0.0 2.37094 8 h after light 1.196488 0.670454 1.80984 12 h after light 1.304467 0.868501 1.7897 4 h after dark 1.2278933333333333 1.0054 1.45582 8 h after dark 0.732441 0.307504 1.05926 12 h after dark 0.455593 0.225959 0.787436