condition mean min max 3 h after light 36.704366666666665 34.9213 38.2755 6 h after light 67.01716666666667 50.8429 86.3462 9 h after light 123.227 107.754 144.834 12 h after light 129.952 19.623 168.64 3 h after dark 78.2905 73.0895 84.4781 6 h after dark 31.148 29.1111 33.3546 9 h after dark 18.44043333333333 15.9779 22.0915 12 h after dark 13.3091 11.9457 14.6725