Cambridge Weather Summary July 2010 Based on 31 days' worth of half-hourly data recorded with rooftop sensors at the Computer Laboratory, Cambridge, U.K. Temperature (degrees C) Average: 19.1 Minimum: 8.8 (06 July 04:00) Maximum: 30.6 (09 July 15:30) Relative Humidity (%) Average: 66.6 Minimum: 23 (20 July 09:30) Maximum: 99 (31 July 05:30) Dew Point (degrees C) Average: 12.2 Minimum: 1.5 (20 July 09:30) Maximum: 18.9 (27 July 12:00) Atmospheric Pressure (mbar) Average: 1014.6 Minimum: 997 (15 July 01:30) Maximum: 1027 (06 July 03:30) Half-hourly Instantaneous Wind Speed (knots) Average: 5.3 Minimum: 0.0 (03 July 20:00) Maximum: 30.0 (15 July 11:00) Half-hourly Maximum Wind Speed (knots) Average: 12.8 Minimum: 0 (06 July 00:30) Maximum: 42 (15 July 15:30) Prevalent Wind Direction SW (32.8% of readings) Total Sunshine Hours 124.3 Total Rainfall mm 15.0