condition mean min max 4 h after light 3.2433673333333335 3.1460779999999997 3.3675040000000003 8 h after light 2.4360180000000002 1.3229950000000001 3.291418 12 h after light 1.726805 1.456582 1.9927549999999998 16 h after light 3.2094 2.779487 3.6413339999999996 4 h after dark 2.4751396666666667 1.7914889999999999 2.94705 8 h after dark 1.5720053333333335 1.4465780000000001 1.723654