condition mean min max 0 h after light 1.823245 1.77922 1.86727 4 h after light 4.27015 3.19414 5.34616 8 h after light 3.1252750000000002 3.0595 3.19105 4 h after dark 1.5423499999999999 1.5037 1.581 8 h after dark 2.073835 2.06159 2.08608 12 h after dark 2.3603050000000003 2.03066 2.68995