condition mean min max 4 h after light 604.8 604.8 604.8 8 h after light 730.15 657.0 803.3 12 h after light 1103.3 853.4 1353.2 4 h after dark 1067.2 719.7 1414.7 8 h after dark 654.1500000000001 503.1 805.2 12 h after dark 518.05 465.0 571.1