condition mean min max 0 h after light 17.289749999999998 16.7111 17.8684 2 h after light 11.5485 10.2934 12.8036 4 h after light 11.118590000000001 9.96128 12.2759 8 h after light 11.402685 9.67857 13.1268 12 h after light 15.595600000000001 15.1444 16.0468 2 h after dark 14.6955 13.5234 15.8676 4 h after dark 15.240649999999999 14.488 15.9933 8 h after dark 19.129199999999997 18.4787 19.7797 12 h after dark 21.541 20.1886 22.8934