condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.1519219 0.0537597 0.255589 12 h after light 0.08197466666666667 0.0 0.142401 3 h after dark 0.15537336666666668 0.0 0.392979 6 h after dark 0.0 0.0 0.0 9 h after dark 0.040156333333333336 0.0 0.120469 12 h after dark 0.049838433333333335 0.0 0.0877884