condition mean min max 4 h after light 559.1 559.1 559.1 8 h after light 459.59999999999997 342.4 576.8 12 h after light 325.0 282.9 367.1 4 h after dark 217.89999999999998 162.9 272.9 8 h after dark 309.95 183.7 436.2 12 h after dark 608.8 430.9 786.7