condition mean min max 4 h after light 127.47749999999999 121.022 133.933 8 h after light 94.80145 91.7427 97.8602 12 h after light 89.5911 87.0646 92.1176 4 h after dark 142.577 133.594 151.56 8 h after dark 173.57549999999998 173.468 173.683 12 h after dark 170.49599999999998 162.291 178.701