| Times indicate the end of a measurement period (BST) | ||||||||
| Maximum Temperature | 30.4 | ēC | 05-Sep-04 | 12:00 PM | Overreads in Bright Sunshine | |||
| Minimum Temperature | 3.8 | ēC | 16-Sep-04 | 6:15 AM | ||||
| Mean (15 min) | 16.0 | ēC | ||||||
| Mean (Max Min) | 17.3 | ēC | (calculated from 0901 to 0900 GMT data) | |||||
| Mean Max | 23.6 | ēC | (calculated from 0901 to 0900 GMT data) | |||||
| Mean Min | 11.0 | ēC | (calculated from 0901 to 0900 GMT data) | |||||
| Lowest Max | 18.2 | ēC | 18-Sep-04 | |||||
| Highest Min | 16.1 | ēC | 23-Sep-04 | |||||
| Air Frosts | 0 | |||||||
| Maximum Station Pressure | 1029 | hPa | 07-Sep-04 | 8:30 AM | ||||
| Minimum Station Pressure | 998 | hPa | 14-Sep-04 | 5:15 AM | ||||
| Mean | 1017.9 | hPa | ||||||
| Mean of 09Z values | 1018.3 | hPa | ||||||
| Rainfall | 39.9 | mm | ||||||
| Wettest 24hr | 16.2 | mm | 13-Sep-04 | 5:00 AM | ||||
| Wettest Calendar Day | 15.9 | mm | 13-Sep-04 | (calculated from 0901 to 0900 GMT data) | ||||
| Rain Days ( > 0.3mm) | 13 | days | (calculated from 0901 to 0900 GMT data) | |||||
| Wet Days (>1.0mm) | 7 | days | (calculated from 0901 to 0900 GMT data) | |||||
| Wet Days (>5.0mm) | 1 | days | (calculated from 0901 to 0900 GMT data) | |||||
| Max 15min accum | 1.5 | mm | 13-Sep-04 | 3:45 AM | ||||
| Rain Duration | 22 | hours | ||||||
| Longest Dry period | 10.35 | days | 10-Sep-04 | 9:00 AM | 248.50 | (hours) | ||
| Longest Wet period (>0.3mm / 15 mins) | 2.25 | hours | 13-Sep-04 | 4:15 AM | ||||
| Sunshine Hours (>30klux) | 213.25 | hours | ||||||
| Max Sunshine | 10.00 | hours | 01-Sep-04 | (calculated from 0901 to 0900 GMT data) | ||||
| Sunshine Hours (>50%) | 219.25 | hours | ||||||
| Max Sunshine | 12.00 | hours | 01-Sep-04 | (calculated from 0901 to 0900 GMT data) | ||||
| Brightest Calendar Day | 35.8 | klux | 01-Sep-04 | (calculated from 0901 to 0900 GMT data) | ||||
| Sunless Days | 3 | days | (calculated from 0901 to 0900 GMT data) | |||||
| Maximum Brightness (klux) | 129 | klux | 11-Sep-04 | 11:30 AM | ||||
| Average Wind Speed | 4.0 | knots | 4.6 | mph | ||||
| Maximum Wind Speed | 19.38 | knots | 12-Sep-04 | 11:45 PM | 22.3 | mph | ||
| Days with wind from: | (calculated from 0901 to 0900 GMT data) | |||||||
| Calm | 7 | |||||||
| N | 1 | |||||||
| NE | 0 | |||||||
| E | 2 | |||||||
| SE | 2 | |||||||
| S | 1 | |||||||
| SW | 1 | |||||||
| W | 13 | |||||||
| NW | 3 | |||||||
| Average RH (at 09Z) | 61.5 | |||||||