Cambridge Weather Summary September 2006 Based on 30 days' worth of half-hourly data recorded with rooftop sensors at the Computer Laboratory, Cambridge, U.K. Temperature (degrees C) Average: 18.0 Minimum: 6.4 (10 September 04:30) Maximum: 27.8 (06 September 10:30) Relative Humidity (%) Average: 80.3 Minimum: 33 (11 September 10:00) Maximum: 100 (10 September 06:00) Dew Point (degrees C) Average: 14.1 Minimum: 5.9 (08 September 10:00) Maximum: 19.2 (03 September 06:30) Atmospheric Pressure (mbar) Average: 1012.8 Minimum: 1000 (21 September 16:00) Maximum: 1034 (08 September 08:30) Half-hourly Instantaneous Wind Speed (knots) Average: 4.5 Minimum: 0.0 (04 September 22:00) Maximum: 24.7 (03 September 10:00) Half-hourly Maximum Wind Speed (knots) Average: 11.2 Minimum: 0 (04 September 22:00) Maximum: 46 (03 September 09:30) Prevalent Wind Direction S (28.5% of readings) Total Sunshine Hours 156.9 Total Rainfall mm 43.9