Cambridge Weather Summary
   December 2004

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

Temperature (degrees C)
   Average: 5.1
   Minimum: -3.6 (26 December 04:00)
   Maximum: 14.5 (23 December 11:30)

Relative Humidity (%)
   Average: 89.2
   Minimum: 51 (19 December 11:30)
   Maximum: 100 (01 December 03:30)

Dew Point (degrees C)
   Average: 3.4
   Minimum: -4.7 (26 December 04:00)
   Maximum: 10.1 (22 December 18:00)

Atmospheric Pressure (mbar)
   Average: 1016.7
   Minimum: 987 (17 December 10:00)
   Maximum: 1033 (08 December 08:30)

Half-hourly Instantaneous Wind Speed (knots)
   Average: 5.0
   Minimum: 0.0 (01 December 00:00)
   Maximum: 20.5 (22 December 08:00)

Half-hourly Maximum Wind Speed (knots)
   Average: 11.2
   Minimum: 0 (01 December 00:00)
   Maximum: 40 (23 December 10:00)

Prevalent Wind Direction
   SW (34.7% of readings)

Total Sunshine Hours
   60.0

Total Rainfall mm
   77.6