condition mean min max 4 h after light 122.264785 116.516955 128.012615 8 h after light 126.995163 122.338965 131.651361 12 h after light 102.837007 85.389876 120.284138 4 h after dark 115.2225235 112.232057 118.21299 8 h after dark 112.483405 108.449855 116.516955 12 h after dark 111.405106 111.405106 111.405106