Cambridge Weather Summary April 2010 Based on 30 days' worth of half-hourly data recorded with rooftop sensors at the Computer Laboratory, Cambridge, U.K. Temperature (degrees C) Average: 9.3 Minimum: -1.2 (17 April 05:30) Maximum: 22.2 (28 April 13:00) Relative Humidity (%) Average: 69.9 Minimum: 27 (17 April 14:00) Maximum: 100 (04 April 03:30) Dew Point (degrees C) Average: 3.6 Minimum: -6.4 (22 April 10:30) Maximum: 13.5 (29 April 16:30) Atmospheric Pressure (mbar) Average: 1018.4 Minimum: 996 (01 April 00:00) Maximum: 1036 (09 April 10:30) Half-hourly Instantaneous Wind Speed (knots) Average: 4.6 Minimum: 0.0 (07 April 03:00) Maximum: 32.0 (01 April 08:30) Half-hourly Maximum Wind Speed (knots) Average: 11.6 Minimum: 0 (07 April 04:00) Maximum: 36 (02 April 14:30) Prevalent Wind Direction SE (23.8% of readings) Total Sunshine Hours 166.1 Total Rainfall mm 0.0