Cambridge Weather Summary
   April 2007

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

Temperature (degrees C)
   Average: 11.6
   Minimum: -0.8 (05 April 06:30)
   Maximum: 23.9 (11 April 11:00)

Relative Humidity (%)
   Average: 74.2
   Minimum: 31 (19 April 11:00)
   Maximum: 100 (03 April 08:30)

Dew Point (degrees C)
   Average: 6.6
   Minimum: -1.4 (05 April 06:30)
   Maximum: 14.9 (23 April 14:00)

Atmospheric Pressure (mbar)
   Average: 1022.8
   Minimum: 1010 (25 April 03:00)
   Maximum: 1031 (01 April 20:30)

Half-hourly Instantaneous Wind Speed (knots)
   Average: 3.7
   Minimum: 0.0 (04 April 22:00)
   Maximum: 13.5 (01 April 14:30)

Half-hourly Maximum Wind Speed (knots)
   Average: 9.7
   Minimum: 0 (04 April 22:00)
   Maximum: 28 (01 April 14:30)

Prevalent Wind Direction
   NW (38.4% of readings)

Total Sunshine Hours
   198.2

Total Rainfall mm
   0.4