Despite coming through the day unscathed, Nico Rosberg wasn't all that excited about Merc's progress at Jerez, mainly because it was difficult to make any.
Taking over from team-mate Michael Schumacher on Thursday, Rosberg had to contend with heavy rain showers and strong winds, which caused havoc to Mercedes GP's planned programme.
The German, who finished fourth on the timesheets, managed 71 laps as the weather and five red flags played their part in disrupting proceedings.
"On the positive side, we achieved some good mileage today despite the conditions and completed a lot of our systems work," said Rosberg.
"It was useful for me to practice pit stops and get into the routine for the races.
"However it has been difficult and frustrating with the weather as we're obviously not able to learn as much as we could with a dry track.
"But that's the same for everyone and we will hope for an improvement over the next two days."
Taking over from team-mate Michael Schumacher on Thursday, Rosberg had to contend with heavy rain showers and strong winds, which caused havoc to Mercedes GP's planned programme.
The German, who finished fourth on the timesheets, managed 71 laps as the weather and five red flags played their part in disrupting proceedings.
"On the positive side, we achieved some good mileage today despite the conditions and completed a lot of our systems work," said Rosberg.
"It was useful for me to practice pit stops and get into the routine for the races.
"However it has been difficult and frustrating with the weather as we're obviously not able to learn as much as we could with a dry track.
"But that's the same for everyone and we will hope for an improvement over the next two days."
Source: Planet F1
