condition mean min max 4 h after light 11.524774 10.934588 12.11496 8 h after light 18.503708 14.347488 22.659928 12 h after light 34.481458 18.407342 50.555574 4 h after dark 24.213527499999998 18.575149 29.851906 8 h after dark 13.157672 12.917577 13.397767 12 h after dark 21.817845 21.817845 21.817845