condition mean min max 4 h after light 153.0 153.0 153.0 8 h after light 117.4 103.2 131.6 12 h after light 144.85000000000002 142.3 147.4 4 h after dark 138.3 110.7 165.9 8 h after dark 152.05 139.7 164.4 12 h after dark 184.15 158.5 209.8