condition mean min max 0 h after light 15.419599999999999 10.5528 20.2864 2 h after light 11.77532 9.73204 13.8186 4 h after light 12.51085 11.4246 13.5971 8 h after light 17.52035 16.1919 18.8488 12 h after light 23.1005 21.9545 24.2465 2 h after dark 19.512349999999998 17.2962 21.7285 4 h after dark 25.0866 24.7646 25.4086 8 h after dark 21.4007 19.4998 23.3016 12 h after dark 11.6525 10.8335 12.4715