condition mean min max 4 h after light 412.4 412.4 412.4 8 h after light 425.45 395.9 455.0 12 h after light 440.2 385.5 494.9 4 h after dark 571.6500000000001 552.2 591.1 8 h after dark 563.6 499.8 627.4 12 h after dark 502.65 445.5 559.8