condition mean min max 4 h after light 2.865403 2.802611 2.949107 8 h after light 2.228678 1.65822 2.518764 12 h after light 1.448717 1.352774 1.586957 16 h after light 2.8316906666666664 2.390011 3.3365169999999997 4 h after dark 2.315126 2.1209689999999997 2.6840189999999997 8 h after dark 1.5197986666666667 1.463547 1.57778