condition mean min max 0 h after light 6.56438 6.20753 6.92123 2 h after light 2.93275 2.86727 2.99823 4 h after light 3.71551 3.15106 4.27996 8 h after light 4.226535 3.66327 4.7898 12 h after light 5.32153 5.18782 5.45524 2 h after dark 5.972645 5.18244 6.76285 4 h after dark 6.636934999999999 6.19741 7.07646 8 h after dark 9.438095 8.77719 10.099 12 h after dark 6.23775 4.37803 8.09747