The rain transformed wickets so much that the bowlers were on top for the first time this season in the Mewies Solicitors Craven League.
There was only one score in excess of 200, with a couple of close finishes, a four-in-four feat and a hat-trick.
In the First Division, leaders Oakworth slumped to an unexpected defeat at home to Cowling.
Having won two close games, it was their turn to lose narrowly - by just two runs.
The visitors posted a modest 131, with Martyn Dalby scoring 52 as Michael Scarborough took five for 44.
Matt Green (32) was top scorer for the Cure Hill side, with the wickets being shared among the bowlers.
However, Oakworth stay top on run rate from Thornton, who walloped 261 for six at Sutton.
The homesters had progressed to 62 for two when mayhem set in, Anthony Giles, who had earlier scored 94, taking six for eight off just 4.5 overs.
With Anwar claiming three for 17, Sutton lost eight wickets for 12 runs to close on 74.
Third are Bradley, who saw off Haworth by four wickets. The Bronte side struggled to 96 all out, with Peter Gower making 35 as Matty Simpson took four for 26 and John Duffey three for 17.
For the winners, Craig Tempest made 34 and Neil Robinson 31 as Jamie Rowell took three for 21.
Newly-promoted Crossflatts took over fourth spot from Cullingworth, whom they defeated by 54 runs at home.
Batting first, 'flatts made 197 for seven, with Mohammed Adil scoring 76 and John Gath 37. The visitors were knocked over for 143 in reply, with Chris Welch making 50 as Kammy Ayub claimed five for 46.
Down at Park Field, Glusburn slumped to their second successive defeat. Visitors Embsay posted 151, Simon Bailey top scoring with 45 as Sean Williamson took five for 40.
As with Sutton, the home side were making good progress at 70 for three. Duncan Ward came into the attack and took six for 16 in seven overs to leave Glusburn in disarray on 93 all out.
In a basement battle, Bingley Congs got the better of Sandy Lane, winning by 49 runs up the hill at Greenwood Park.
Peter Watts made 47 as the Beckfoot side totalled 187 for nine and then left-arm spinner Neil Copping took four wickets in four balls and five in seven to finish with seven for 67 as the home side slumped to 138 all out.
Barrowford are the only undefeated side in the Second Division, after seeing off Chatburn by seven wickets at Bull Holme.
Haworth Road lowered Ingrow's colours at Hainworth, winning by 26 runs.
Charlie Hainsworth made 58, Chris Griggs 54 and Mick Holmes took seven for 34 for the winners, while Tony Crook scored 51 for the losers.
Airedale's new-look side are coming together and hammered Foulridge by nine wickets at the Noyna, but Denholme slipped up at Cononley, going down by seven wickets.
Rob Taylor made 56 as the visitors posted a modest 137 for eight, with Michael Beer taking five for 37. Mark Paynter (76 not out) led the successful reply.
Ingrow St John's travelled to Long Lee and came away with the spoils. The homesters made 160 for eight and the Saints' first wicket put on 128, John Green going for 44.
At 140, Dean Woolley (5-24 in five overs) got a hat-trick and Colin Bottomley was out for 88. However, Saints got home without further loss.
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