condition mean min max 0 h after light 10.241 10.2293 10.2527 2 h after light 7.434895 6.94944 7.92035 4 h after light 6.38596 3.57287 9.19905 8 h after light 8.542175 7.40705 9.6773 12 h after light 10.8946 10.3345 11.4547 2 h after dark 13.57765 13.0732 14.0821 4 h after dark 12.7704 12.4319 13.1089 8 h after dark 15.468900000000001 14.539 16.3988 12 h after dark 12.938199999999998 12.0705 13.8059