condition mean min max 4 h after light 215.0 215.0 215.0 8 h after light 237.05 208.9 265.2 12 h after light 189.5 131.2 247.8 4 h after dark 158.75 152.2 165.3 8 h after dark 167.2 115.2 219.2 12 h after dark 107.3 87.6 127.0