Cambridge Weather Summary
   April 1999

Based on 29 days' worth of half-hourly data recorded with
rooftop sensors at the Computer Laboratory, Cambridge, U.K.

Temperature (degrees C)
   Average: 10.5
   Minimum: -1.2 (14 April 05:30)
   Maximum: 24.8 (30 April 15:00)

Relative Humidity (%)
   Average: 75.5
   Minimum: 23 (30 April 10:30)
   Maximum: 100 (03 April 06:00)

Dew Point (degrees C)
   Average: 5.8
   Minimum: -7.9 (14 April 16:30)
   Maximum: 12.8 (05 April 08:30)

Atmospheric Pressure (mbar)
   Average: 1010.7
   Minimum: 987 (12 April 13:30)
   Maximum: 1029 (27 April 20:00)

Half-hourly Instantaneous Wind Speed (knots)
   Average: 3.4
   Minimum: 0.0 (01 April 00:30)
   Maximum: 12.5 (21 April 15:30)

Half-hourly Maximum Wind Speed (knots)
   Average: 11.5
   Minimum: 0 (01 April 23:30)
   Maximum: 34 (06 April 14:00)

Prevalent Wind Direction
   S (28.5% of readings)

Total Sunshine Hours
   133.0

Total Rainfall mm
   20.0