Cambridge Weather Summary
   April 2005

Based on 30 days worth of half-hourly data recorded with
rooftop sensors at AT&T Laboratories, Cambridge, U.K.

Temperature (degrees C)
   Average: 9.7
   Minimum: -1.6 (09 April 04:00)
   Maximum: 22.6 (29 April 10:30)

Relative Humidity (%)
   Average: 75.8
   Minimum: 31 (17 April 11:30)
   Maximum: 100 (01 April 00:00)

Dew Point (degrees C)
   Average: 5.1
   Minimum: -5.4 (09 April 04:00)
   Maximum: 16.1 (30 April 20:30)

Atmospheric Pressure (mbar)
   Average: 1012.0
   Minimum: 989 (18 April 08:00)
   Maximum: 1030 (10 April 23:59)

Half-hourly Instantaneous Wind Speed (knots)
   Average: 4.9
   Minimum: 0.0 (01 April 19:00)
   Maximum: 23.7 (06 April 12:30)

Half-hourly Maximum Wind Speed (knots)
   Average: 11.5
   Minimum: 0 (01 April 19:00)
   Maximum: 46 (06 April 11:00)

Prevalent Wind Direction
   S (25.4% of readings)

Total Sunshine Hours
   118.3

Total Rainfall mm
   29.8