condition mean min max 0 h after light 50.626599999999996 50.1368 51.1164 2 h after light 65.32335 65.2418 65.4049 4 h after light 65.7387 62.8312 68.6462 8 h after light 50.25975 48.0414 52.4781 12 h after light 61.470600000000005 60.1393 62.8019 2 h after dark 67.1781 67.0851 67.2711 4 h after dark 62.57365 53.5486 71.5987 8 h after dark 54.96055 53.4787 56.4424 12 h after dark 60.68745 57.682 63.6929