condition mean min max 4 h after light 654.3 654.3 654.3 8 h after light 480.0 381.3 578.7 12 h after light 179.75 99.9 259.6 4 h after dark 223.45000000000002 94.8 352.1 8 h after dark 353.9 299.0 408.8 12 h after dark 661.05 379.8 942.3