condition mean min max 0 h after light 17.5428 15.6994 19.3862 2 h after light 5.62268 3.46926 7.7761 4 h after light 4.8435299999999994 4.52619 5.16087 8 h after light 9.874075 8.82195 10.9262 12 h after light 13.292 11.8258 14.7582 2 h after dark 13.952549999999999 10.0785 17.8266 4 h after dark 19.283 17.0417 21.5243 8 h after dark 24.51735 22.2877 26.747 12 h after dark 21.4668 19.4692 23.4644