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The snow-hit Accenture Match Play Championship suffered another delay in Tucson on Thursday.
Frost had been predicted and the resumption of play was pushed back an hour from the scheduled start time of 0830 local time (1530GMT).
Ten of the 32 first-round matches had still to tee off, including those involving top seeds Rory McIlroy, Tiger Woods and Luke Donald.
At least no more snow was in the forecast and it was still hoped to make up some of the lost time before nightfall.
Less than four hours' play was possible on Wednesday and not a single game had been completed.
Ian Poulter, winner in 2010, stood three up on Scot Stephen Gallacher after 12 holes, Lee Westwood two up on Spaniard Rafael Cabrera Bello after five and Justin Rose two up at the turn on South Korean KJ Choi, although he had been four up after five.
Welshman Jamie Donaldson, winner of last month's Abu Dhabi Championship, was three down to Thorbjorn Olesen, while Bristol's Chris Wood, who won his first European Tour title a week later in Qatar, was level with Masters champion Bubba Watson after six.
Closest to winning was Sergio Garcia, whose first shot on his return will be a 12-foot putt to beat Thailand's Thongchai Jaidee on the 16th green.
With two more inches of snow having fallen during the night, making four in all, and frost slow in clearing the resumption was put back another hour to 10.30am local time.
It was taking longer than hoped for the temperature to climb and officials announced a further 60-minute hold-up, making three hours in all.
There was still plenty of time for the first round to be completed before dark, but most of the second round games were bound now to spill into Friday.
The restart was pushed back further to noon, a loss of three and a half hours on top of yesterday afternoon's white-out.
Conditions were definitely improving, but not enough to prevent another delay - this time 30 minutes to 12.30pm (1930 GMT).