Cambridge Weather Summary
   December 2001

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

Temperature (degrees C)
   Average: 3.7
   Minimum: -3.6 (31 December 23:00)
   Maximum: 14.1 (01 December 00:00)

Relative Humidity (%)
   Average: 86.6
   Minimum: 49 (28 December 12:30)
   Maximum: 100 (02 December 06:30)

Dew Point (degrees C)
   Average: 1.6
   Minimum: -7.1 (26 December 11:00)
   Maximum: 13.2 (01 December 06:00)

Atmospheric Pressure (mbar)
   Average: 1024.6
   Minimum: 994 (25 December 03:00)
   Maximum: 1044 (10 December 09:30)

Half-hourly Instantaneous Wind Speed (knots)
   Average: 2.1
   Minimum: 0.0 (01 December 21:00)
   Maximum: 15.9 (28 December 11:00)

Half-hourly Maximum Wind Speed (knots)
   Average: 8.8
   Minimum: 0 (01 December 21:30)
   Maximum: 42 (28 December 11:00)

Prevalent Wind Direction
   W (26.2% of readings)

Total Sunshine Hours
   83.5

Total Rainfall mm
   22.5