condition mean min max 4 h after light 365.3 365.3 365.3 8 h after light 411.35 364.9 457.8 12 h after light 465.3 373.0 557.6 4 h after dark 788.7 661.1 916.3 8 h after dark 722.25 433.0 1011.5 12 h after dark 567.2 537.7 596.7