Cambridge Weather Summary
   December 1998

Based on 31 days' worth of half-hourly data recorded with
rooftop sensors at the Computer Laboratory, Cambridge, U.K.

Temperature (degrees C)
   Average: 6.2
   Minimum: -2.8 (06 December 08:00)
   Maximum: 15.5 (14 December 12:30)

Relative Humidity (%)
   Average: 87.6
   Minimum: 56 (06 December 13:00)
   Maximum: 100 (04 December 02:00)

Dew Point (degrees C)
   Average: 4.2
   Minimum: -4.8 (05 December 05:00)
   Maximum: 12.4 (15 December 05:00)

Atmospheric Pressure (mbar)
   Average: 1014.7
   Minimum: 987 (26 December 16:30)
   Maximum: 1038 (01 December 09:00)

Half-hourly Instantaneous Wind Speed (knots)
   Average: 3.9
   Minimum: 0.0 (01 December 06:30)
   Maximum: 16.6 (12 December 22:30)

Half-hourly Maximum Wind Speed (knots)
   Average: 12.3
   Minimum: 0 (01 December 10:30)
   Maximum: 44 (12 December 22:30)

Prevalent Wind Direction
   S (38.7% of readings)

Total Sunshine Hours
   42.0

Total Rainfall mm
   45.0