condition mean min max 4 h after light 191.4 191.4 191.4 8 h after light 212.0 211.1 212.9 12 h after light 353.85 312.7 395.0 4 h after dark 361.7 355.2 368.2 8 h after dark 374.20000000000005 314.8 433.6 12 h after dark 234.15 193.0 275.3