Mark Webber was quickest for Red Bull as rain returned to the Circuit de Catalunya.
Persistent showers played havoc with teams’ plans as testing resumed in Spain.
Intermediate and wet-weather tyres were used throughout the morning on a track that started damp and was doused by fresh rain.
Romain Grosjean caused a red flag early in the day when he skidded off the slippery track on his fifth lap. Later Esteban Gutierrez caused another interruption when he went off at turn three.
Only in the second half of the afternoon session did the track dry sufficiently for slick tyres to be used.
With less than half an hour to go the red flag came out again when Felipe Massa stopped at Campsa. The Ferrari driver had covered over 100 laps during the test.
Webber traded fastest times with Lewis Hamilton in the final minutes but ended up ahead and increased his margin over the Mercedes driver to 1.6 seconds.
By the end of the test the track had dried enough that Webber was able to get within a second of the best time seen last week – Sergio Perez’s 1’21.848.
More rain is expected at the circuit tomorrow with most teams swapping their drivers overnight.
|1||Mark Webber||Red Bull-Renault RB9||1’22.693||90||Soft|
|2||Lewis Hamilton||Mercedes W04||1’24.348||113||1.655||Medium|
|3||Jean-Eric Vergne||Toro Rosso-Ferrari STR8||1’25.017||59||2.324||Medium|
|4||Valtteri Bottas||Williams-Renault FW35||1’26.458||85||3.765||Soft|
|5||Sergio Perez||McLaren-Mercedes MP4-28||1’26.538||100||3.845||Hard|
|6||Esteban Gutierrez||Sauber-Ferrari C32||1’26.574||92||3.881||Soft|
|7||Paul di Resta||Force India-Mercedes VJM06||1’27.107||57||4.414||Medium|
|8||Felipe Massa||Ferrari F138||1’27.541||112||4.848||Medium|
|9||Max Chilton||Marussia-Cosworth MR02||1’28.166||78||5.473||Medium|
|10||Charles Pic||Caterham-Renault CT03||1’28.644||83||5.951||Medium|
|11||Romain Grosjean||Lotus-Renault E21||1’34.928||52||12.235||Medium|
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