condition mean min max 4 h after light 397.5 397.5 397.5 8 h after light 388.9 346.6 431.2 12 h after light 550.75 385.3 716.2 4 h after dark 724.6500000000001 613.6 835.7 8 h after dark 820.35 767.2 873.5 12 h after dark 826.8 826.4 827.2