| Times indicate the end of a measurement period (BST) | ||||||||
| Maximum Temperature | 32.3 | ēC | 05-Aug-04 | 12:15 PM | Overreads in Bright Sunshine | |||
| Minimum Temperature | 7.6 | ēC | 21-Aug-04 | 4:45 AM | ||||
| Mean (15 min) | 17.9 | ēC | ||||||
| Mean (Max Min) | 19.6 | ēC | (calculated from 0901 to 0900 GMT data) | |||||
| Mean Max | 26.5 | ēC | (calculated from 0901 to 0900 GMT data) | |||||
| Mean Min | 12.6 | ēC | (calculated from 0901 to 0900 GMT data) | |||||
| Lowest Max | 21.6 | ēC | 30-Aug-04 | |||||
| Highest Min | 16.4 | ēC | 15-Aug-04 | |||||
| Air Frosts | 0 | |||||||
| Maximum Station Pressure | 1021 | hPa | 31-Jul-04 | 7:45 AM | ||||
| Minimum Station Pressure | 992 | hPa | 17-Aug-04 | 10:30 PM | ||||
| Mean | 1009.3 | hPa | ||||||
| Mean of 09Z values | 1009.2 | hPa | ||||||
| Rainfall | 137.1 | mm | ||||||
| Wettest 24hr | 56.7 | mm | 12-Aug-04 | 4:00 PM | ||||
| Wettest Calendar Day | 50.7 | mm | 12-Aug-04 | (calculated from 0901 to 0900 GMT data) | ||||
| Rain Days ( > 0.3mm) | 20 | days | (calculated from 0901 to 0900 GMT data) | |||||
| Wet Days (>1.0mm) | 15 | days | (calculated from 0901 to 0900 GMT data) | |||||
| Wet Days (>5.0mm) | 5 | days | (calculated from 0901 to 0900 GMT data) | |||||
| Max 15min accum | 9 | mm | 23-Aug-04 | 2:30 AM | ||||
| Rain Duration | 38.75 | hours | ||||||
| Longest Dry period | 5.90 | days | 08-Aug-04 | 2:15 PM | 141.50 | (hours) | ||
| Longest Wet period (>0.3mm / 15 mins) | 4.25 | hours | 12-Aug-04 | 12:15 AM | ||||
| Sunshine Hours (>30klux) | 265.75 | hours | ||||||
| Max Sunshine | 11.75 | hours | 01-Aug-04 | (calculated from 0901 to 0900 GMT data) | ||||
| Sunshine Hours (>50%) | 266.75 | hours | ||||||
| Max Sunshine | 12.00 | hours | 01-Aug-04 | (calculated from 0901 to 0900 GMT data) | ||||
| Brightest Calendar Day | 40.9 | klux | 01-Aug-04 | (calculated from 0901 to 0900 GMT data) | ||||
| Sunless Days | 0 | days | (calculated from 0901 to 0900 GMT data) | |||||
| Maximum Brightness (klux) | 138 | klux | 13-Aug-04 | 2:30 PM | ||||
| Average Wind Speed | 2.7 | knots | 3.1 | mph | ||||
| Maximum Wind Speed | 17.28 | knots | 17-Aug-04 | 10:00 PM | 19.9 | mph | ||
| Days with wind from: | (calculated from 0901 to 0900 GMT data) | |||||||
| Calm | 13 | |||||||
| N | 1 | |||||||
| NE | 0 | |||||||
| E | 3 | |||||||
| SE | 3 | |||||||
| S | 1 | |||||||
| SW | 2 | |||||||
| W | 7 | |||||||
| NW | 2 | |||||||
| Average RH (at 09Z) | 61.7 | |||||||