condition mean min max 4 h after light 266.9 266.9 266.9 8 h after light 253.2 231.9 274.5 12 h after light 154.85000000000002 110.9 198.8 4 h after dark 213.0 171.4 254.6 8 h after dark 257.3 233.6 281.0 12 h after dark 327.05 319.1 335.0