condition mean min max 4 h after light 115.3 115.3 115.3 8 h after light 114.4 94.5 134.3 12 h after light 113.89999999999999 95.6 132.2 4 h after dark 155.4 154.4 156.4 8 h after dark 170.45 146.6 194.3 12 h after dark 144.14999999999998 134.2 154.1