condition mean min max 4 h after light 296.6 296.6 296.6 8 h after light 222.5 215.9 229.1 12 h after light 196.64999999999998 153.6 239.7 4 h after dark 171.7 169.3 174.1 8 h after dark 152.7 142.2 163.2 12 h after dark 132.85000000000002 119.9 145.8