condition mean min max 3 h after light 3.1935599999999997 2.21833 4.03391 6 h after light 4.3175 3.91103 4.93061 9 h after light 8.673 7.00786 10.2128 12 h after light 10.8534675 1.40327 17.1544 3 h after dark 6.874826666666666 6.15733 7.50569 6 h after dark 3.31774 2.95725 3.85289 9 h after dark 1.4754913333333333 0.843704 1.99776 12 h after dark 1.029944 0.969498 1.09039