condition mean min max 4 h after light 143.6 143.6 143.6 8 h after light 147.3 116.2 178.4 12 h after light 159.60000000000002 143.4 175.8 4 h after dark 191.75 133.3 250.2 8 h after dark 120.35 75.0 165.7 12 h after dark 161.1 148.2 174.0