condition mean min max 4 h after light 10.39472 10.144828 10.644612 8 h after light 10.9641865 10.516378 11.411995 12 h after light 9.564606999999999 8.770515 10.358699 4 h after dark 10.1699625 10.141265 10.19866 8 h after dark 9.718293500000001 9.033226 10.403361 12 h after dark 9.56973 9.56973 9.56973