condition mean min max 4 h after light 370.3050255 364.377994 376.232057 8 h after light 469.254073 435.359794 503.148352 12 h after light 461.919193 389.859608 533.978778 4 h after dark 481.70833 447.204122 516.212538 8 h after dark 378.928333 342.30898 415.547686 12 h after dark 493.360861 493.360861 493.360861