condition mean min max 4 h after light 252.3 252.3 252.3 8 h after light 283.29999999999995 278.9 287.7 12 h after light 207.45 167.8 247.1 4 h after dark 138.05 95.2 180.9 8 h after dark 148.25 126.3 170.2 12 h after dark 170.45 136.5 204.4