condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.08082953333333333 0.0285695 0.152697 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.043362000000000005 0.0 0.130086