condition mean min max 4 h after light 3.5704923333333336 3.4983730000000004 3.697317 8 h after light 2.5408473333333332 1.578714 3.0345169999999997 12 h after light 2.3266643333333334 1.7855990000000002 3.1006650000000002 16 h after light 3.727453 2.834828 4.244129 4 h after dark 4.962682333333333 3.333711 7.3810020000000005 8 h after dark 2.439255666666667 1.8483029999999998 3.4308300000000003