condition mean min max 4 h after light 3.2184566666666665 3.159209 3.3273349999999997 8 h after light 2.343102 1.373955 3.0020740000000004 12 h after light 1.6055750000000002 1.398142 1.7407290000000002 16 h after light 3.1787376666666667 2.769937 3.600493 4 h after dark 2.4926903333333335 2.017631 2.96075 8 h after dark 1.5612123333333332 1.4645569999999999 1.6690369999999999