condition mean min max 4 h after light 102.15706666666667 63.7902 122.21 8 h after light 82.79053333333333 22.6541 134.623 12 h after light 83.9609 49.804 127.011 4 h after dark 117.0869 91.2547 139.145 8 h after dark 119.3441 77.8933 141.909 12 h after dark 147.89166666666665 133.286 157.189