condition mean min max 0 h after light 7.872225 7.76328 7.98117 2 h after light 11.078199999999999 10.1431 12.0133 4 h after light 9.671405 9.13391 10.2089 8 h after light 4.86433 4.47685 5.25181 12 h after light 7.7936499999999995 7.77178 7.81552 2 h after dark 10.793199999999999 10.158 11.4284 4 h after dark 7.674575 7.67094 7.67821 8 h after dark 7.80141 6.89925 8.70357 12 h after dark 9.70888 9.64387 9.77389