condition mean min max 3 h after light 28.9803 25.9803 32.2089 6 h after light 32.2917 29.0271 36.4446 9 h after light 51.10916666666667 47.6617 55.897 12 h after light 65.13865 46.0919 74.9293 3 h after dark 82.4719 82.3478 82.5419 6 h after dark 86.34793333333333 79.0482 90.6502 9 h after dark 75.75056666666667 72.2988 80.8841 12 h after dark 45.10745 42.9767 47.2382