condition mean min max 4 h after light 9.064593 7.986702 10.142484 8 h after light 9.605455500000001 9.298958 9.911953 12 h after light 8.8649245 8.813974 8.915875 4 h after dark 10.185996 9.166209 11.205783 8 h after dark 10.0341565 9.298958 10.769355 12 h after dark 9.298958 9.298958 9.298958