condition mean min max 4 h after light 423.9 423.9 423.9 8 h after light 401.05 374.5 427.6 12 h after light 410.75 406.4 415.1 4 h after dark 346.05 303.1 389.0 8 h after dark 331.75 316.2 347.3 12 h after dark 346.70000000000005 334.1 359.3