condition mean min max 4 h after light 126.3 126.3 126.3 8 h after light 209.95 153.5 266.4 12 h after light 217.1 99.8 334.4 4 h after dark 194.25 44.9 343.6 8 h after dark 281.15 252.6 309.7 12 h after dark 324.15 232.9 415.4