It is no secret Bernie Sanders has been eyeing California and its 475 delegates as he attempts to gain ground on Hillary Clinton. The California Democratic primary takes place on June 7.

The early California polls show Sanders trailing Clinton. According to RealClear Politics, Clinton has an average lead of 9.7 percentage points.

It is important to note that these polls were all conducted in April. Two of the polls show Sanders within two and six percentage points of Clinton. The Sanders campaign needs a strong showing in the Golden State next month.

Here’s a look at the latest California polls.

RealClear Politics Average

RealClear Politics keeps a running average of the California polls. The average includes data from four polls. The KABC/SurveyUSA poll conducted April 27-30, the FOX News poll conducted April 18-21, the CBS News/YouGov poll conducted April 13-15 and the Gravis poll conducted April 7-10.

CANDIDATE VOTE% Hillary Clinton 51.0 Bernie Sanders 41.3

KABC/SurveyUSA

The KABC/SurveyUSA poll was conducted April 27-30. It has a margin of error of 3.4 percentage points.

CANDIDATE VOTE% Hillary Clinton 57 Bernie Sanders 38

FOX News

The FOX News poll was conducted April 18-21. It has a margin of error of 4.0 percentage points.

CANDIDATE VOTE% Hillary Clinton 48 Bernie Sanders 46

CBS News/YouGov

The CBS News/YouGov poll was conducted April 13-15. It has a margin of error of 4.5 percentage points.

CANDIDATE VOTE% Hillary Clinton 52 Bernie Sanders 40

Gravis

The Gravis poll was conducted April 7-10. It has a margin of error of 3.4 percentage points.