condition mean min max 0 h after light 0.01740415 0.0 0.0348083 4 h after light 0.034886600000000004 0.0342214 0.0355518 8 h after light 0.034852049999999996 0.0343554 0.0353487 4 h after dark 0.01718605 0.0 0.0343721 8 h after dark 0.06952130000000001 0.0690304 0.0700122 12 h after dark 0.05262825 0.0378501 0.0674064