Sheffield had the wettest January on record, with rain on 30 of the 31 days, which ties with records set in 1999 and when they began in 1882.
Some 27 days saw rain of more than 1mm, which was the highest ever.
But the total volume was not a record. Weston Park weather station said 124.2mm fell compared with 154mm in January 2008. Average temperatures (5.3 deg C) were lower than average (6.5 deg C). Sunshine (49 hours) was higher than average (43).