condition mean min max 4 h after light 8.945363 6.317145 12.40305 8 h after light 4.4590309999999995 1.629498 8.827644 12 h after light 4.9246099999999995 3.208744 7.811791 16 h after light 12.637673666666668 5.925331 18.757620000000003 4 h after dark 6.037038 4.22032 7.308824 8 h after dark 6.244716333333333 5.653983 7.307026