condition mean min max 4 h after light 107.246347 102.781195 111.711499 8 h after light 154.175477 137.450025 170.900929 12 h after light 141.96753 107.667774 176.267286 4 h after dark 149.2127665 124.155294 174.270239 8 h after dark 130.2957165 78.552014 182.039419 12 h after dark 92.469726 92.469726 92.469726