condition mean min max 3 h after light 162.26166666666666 136.905 190.908 7 h after light 168.95783333333333 138.34 209.579 11 h after light 185.025 147.423 242.192 2 h after dark 182.043 146.709 227.084 6 h after dark 156.2325 132.469 185.188 10 h after dark 147.9625 127.56 179.816