Cambridge Weather Summary
   September 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: 15.5
   Minimum: 7.2 (14 September 05:30)
   Maximum: 23.9 (18 September 15:00)

Relative Humidity (%)
   Average: 77.3
   Minimum: 41 (13 September 13:30)
   Maximum: 100 (24 September 00:30)

Dew Point (degrees C)
   Average: 11.3
   Minimum: 1.9 (13 September 17:00)
   Maximum: 19.2 (26 September 14:30)

Atmospheric Pressure (mbar)
   Average: 1022.3
   Minimum: 1003 (12 September 12:00)
   Maximum: 1031 (20 September 08:30)

Half-hourly Instantaneous Wind Speed (knots)
   Average: 2.4
   Minimum: 0.0 (01 September 18:30)
   Maximum: 11.5 (15 September 12:00)

Half-hourly Maximum Wind Speed (knots)
   Average: 9.2
   Minimum: 0 (01 September 18:30)
   Maximum: 32 (15 September 11:00)

Prevalent Wind Direction
   S (26.6% of readings)

Total Sunshine Hours
   131.1

Total Rainfall mm
   13.3