condition mean min max 3 h after light 55.95183333333333 46.5936 62.1784 6 h after light 55.7194 50.375 62.7499 9 h after light 65.3352 64.3598 67.102 12 h after light 72.01326666666667 64.5958 79.4712 3 h after dark 88.8877 84.0466 93.0354 6 h after dark 69.7088 68.5739 70.6668 9 h after dark 61.087133333333334 52.3126 68.9784 12 h after dark 56.90456666666667 43.3901 71.7077