condition mean min max 0 h after light 9.77773 7.97976 11.5757 2 h after light 7.210565 6.86005 7.56108 4 h after light 6.803435 6.72794 6.87893 8 h after light 7.434975 5.96155 8.9084 12 h after light 7.88721 7.81676 7.95766 2 h after dark 11.106950000000001 9.6288 12.5851 4 h after dark 9.22534 9.19262 9.25806 8 h after dark 11.243459999999999 9.88322 12.6037 12 h after dark 11.27825 10.9948 11.5617