condition mean min max 4 h after light 116.8 116.8 116.8 8 h after light 133.85000000000002 113.4 154.3 12 h after light 191.3 123.6 259.0 4 h after dark 303.55 294.5 312.6 8 h after dark 211.2 167.8 254.6 12 h after dark 247.5 235.3 259.7