condition mean min max 2 h after light 3.806755 1.58238 4.65588 6 h after light 7.554805 3.41425 16.6965 10 h after light 5.118146666666667 3.70738 8.10765 14 h after light 5.38157 2.35722 10.1375 18 h after light 3.842581666666667 1.78253 7.30955 2 h after dark 4.665195 2.56968 6.11178