Cambridge Weather Summary
   April 1997

Based on 30 days' worth of half-hourly data recorded with
rooftop sensors at the Computer Laboratory, Cambridge, U.K.

Temperature (degrees C)
   Average: 9.6
   Minimum: -1.2 (21 April 05:00)
   Maximum: 30.6 (10 April 14:30)

Relative Humidity (%)
   Average: 68.9
   Minimum: 28 (09 April 16:30)
   Maximum: 100 (21 April 02:00)

Dew Point (degrees C)
   Average: 3.8
   Minimum: -7.4 (04 April 11:00)
   Maximum: 15.0 (10 April 14:30)

Atmospheric Pressure (mbar)
   Average: 1023.6
   Minimum: 1003 (28 April 13:30)
   Maximum: 1035 (07 April 05:30)

Half-hourly Instantaneous Wind Speed (knots)
   Average: 2.9
   Minimum: 0.0 (01 April 00:30)
   Maximum: 15.8 (05 April 12:30)

Half-hourly Maximum Wind Speed (knots)
   Average: 10.1
   Minimum: 0 (01 April 03:00)
   Maximum: 38 (05 April 15:00)

Prevalent Wind Direction
   N (24.1% of readings)

Total Sunshine Hours
   130.8

Total Rainfall mm
   15.9