Cambridge Weather Summary May 2012 Based on 31 days' worth of half-hourly data recorded with rooftop sensors at the Computer Laboratory, Cambridge, U.K. Temperature (degrees C) Average: 11.9 Minimum: 0.0 (07 May 03:30) Maximum: 28.7 (28 May 14:00) Relative Humidity (%) Average: 78.6 Minimum: 26 (25 May 15:30) Maximum: 100 (01 May 02:00) Dew Point (degrees C) Average: 7.9 Minimum: -3.5 (05 May 11:00) Maximum: 18.4 (24 May 18:00) Atmospheric Pressure (mbar) Average: 1015.9 Minimum: 1001 (18 May 12:30) Maximum: 1040 (12 May 09:00) Half-hourly Instantaneous Wind Speed (knots) Average: 4.8 Minimum: 0.0 (06 May 21:30) Maximum: 22.0 (10 May 19:00) Half-hourly Maximum Wind Speed (knots) Average: 11.6 Minimum: 0 (06 May 23:00) Maximum: 38 (15 May 14:30) Prevalent Wind Direction NW (35.6% of readings) Total Sunshine Hours 125.1 Total Rainfall mm 56.1