condition mean min max 4 h after light 229.0 229.0 229.0 8 h after light 187.8 157.7 217.9 12 h after light 216.3 189.6 243.0 4 h after dark 264.8 247.8 281.8 8 h after dark 256.2 209.5 302.9 12 h after dark 283.35 214.7 352.0