condition mean min max 4 h after light 148.3915 140.476 156.307 8 h after light 186.0315 182.628 189.435 12 h after light 121.1825 117.022 125.343 4 h after dark 199.02800000000002 187.512 210.544 8 h after dark 151.62349999999998 148.045 155.202 12 h after dark 161.1285 158.547 163.71