Daily weather observations at the University of Reading date back to 1908. Here are a selection of news stories and observations for Reading since they began - with one or two earlier, newsworthy, items. They will be updated each day. Let me know if you have any other snippets of news/information.

Any mention of a record refers to observations at the University of Reading - elsewhere in the United Kingdom values may have been higher or lower.

In Reading on 24 January in ...

1939
42 mm of precipitation fell in 48 hours on 24th-25th. 1939 was one of the wettest January months on record.
1945
The first of four consecutive ice days - the maximum temperature failed to reach 0 C each day. The pocket register notes that there was fog and some light snow during the day.
1963
The second coldest day of any month; one of the coldest January nights on record. The maximum temperature was only -5.6 C following a minimum temperature of -12.1 C. Under an area of high pressure, Reading had fog and rime for much of the day, with a slight fall of ice needles in the fog during the afternoon.

Some historical data/observations for anniversary dates can be found here