condition mean min max 4 h after light 329.1 329.1 329.1 8 h after light 338.45000000000005 315.3 361.6 12 h after light 396.55 359.8 433.3 4 h after dark 544.7 532.2 557.2 8 h after dark 344.79999999999995 258.7 430.9 12 h after dark 332.6 321.4 343.8