Cambridge Weather Summary
   December 1997

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: 0.0 (03 December 03:30)
   Maximum: 14.5 (10 December 11:30)

Relative Humidity (%)
   Average: 83.3
   Minimum: 55 (16 December 20:00)
   Maximum: 100 (02 December 05:30)

Dew Point (degrees C)
   Average: 3.5
   Minimum: -6.8 (16 December 20:00)
   Maximum: 11.9 (10 December 10:30)

Atmospheric Pressure (mbar)
   Average: 1010.8
   Minimum: 992 (31 December 03:00)
   Maximum: 1034 (15 December 03:30)

Half-hourly Instantaneous Wind Speed (knots)
   Average: 3.7
   Minimum: 0.0 (01 December 01:00)
   Maximum: 17.9 (24 December 21:00)

Half-hourly Maximum Wind Speed (knots)
   Average: 12.4
   Minimum: 0 (01 December 02:00)
   Maximum: 46 (24 December 22:00)

Prevalent Wind Direction
   S (52.7% of readings)

Total Sunshine Hours
   37.4

Total Rainfall mm
   60.3