condition mean min max 4 h after light 37.3234 35.3655 39.2813 8 h after light 40.275000000000006 38.1529 42.3971 12 h after light 41.1729 37.4968 44.849 4 h after dark 41.963 41.8155 42.1105 8 h after dark 32.25435 32.1155 32.3932 12 h after dark 34.23005 33.3555 35.1046