condition mean min max 4 h after light 183.9900725 176.412326 191.567819 8 h after light 199.7735905 197.703046 201.844135 12 h after light 216.698607 206.671692 226.725522 4 h after dark 193.078211 177.155134 209.001288 8 h after dark 226.6114285 218.155134 235.067723 12 h after dark 202.033187 202.033187 202.033187