condition mean min max 2 h after light 9.814008333333334 7.3261 15.9003 6 h after light 12.64603 9.78068 19.1241 10 h after light 10.250193333333334 8.14316 12.1885 14 h after light 12.883569999999999 9.63852 17.6026 18 h after light 10.912623333333332 9.22304 12.2891 2 h after dark 25.644849999999998 20.2897 38.083