condition mean min max 0 h after light 12.38035 11.8077 12.953 2 h after light 8.70916 8.46809 8.95023 4 h after light 8.194115 7.17341 9.21482 8 h after light 3.81806 3.74139 3.89473 12 h after light 5.389975 4.3739 6.40605 2 h after dark 15.6217 14.3726 16.8708 4 h after dark 13.982 12.5138 15.4502 8 h after dark 12.3589 11.6388 13.079 12 h after dark 9.8753 9.0577 10.6929