| September | 2005 | ||||||||
| Times indicate the end of a measurement period (BST) | |||||||||
| Maximum Temperature | 26.8 | ēC | 07-Sep-05 | 2:00 PM | |||||
| Minimum Temperature | 4.9 | ēC | 17-Sep-05 | 4:30 AM | |||||
| Mean (15 min) | 15.9 | ēC | 1.7 | from average | |||||
| Mean (Max Min) | 16.7 | ēC | 2.5 | from average (calculated from 0901 to 0900 GMT data) | |||||
| Mean Max | 22.1 | ēC | 4.6 | from average (calculated from 0901 to 0900 GMT data) | |||||
| Mean Min | 11.2 | ēC | 1.2 | from average (calculated from 0901 to 0900 GMT data) | |||||
| Lowest Max | 15.6 | ēC | 28-Sep-05 | ||||||
| Highest Min | 16.4 | ēC | 15-Sep-05 | ||||||
| Air Frosts | 0 | 0 | hours of Frost duration | ||||||
| Maximum Station Pressure | 1028 | hPa | 18-Sep-05 | 10:00 AM | |||||
| Minimum Station Pressure | 1006 | hPa | 09-Sep-05 | 3:45 PM | |||||
| Mean | 1016.5 | hPa | |||||||
| Mean of 09Z values | 1017.0 | hPa | |||||||
| Rainfall | 54.3 | mm | 54.3% | of average | |||||
| Wettest 24hr | 15 | mm | 10-Sep-05 | 1:15 PM | |||||
| Wettest Calendar Day | 9.6 | mm | 04-Sep-05 | (calculated from 0901 to 0900 following day) | |||||
| Rain Days ( > 0.3mm) | 13 | days | (calculated from 0901 to 0900 GMT data) | ||||||
| Wet Days (>1.0mm) | 9 | days | (calculated from 0901 to 0900 GMT data) | ||||||
| Wet Days (>5.0mm) | 5 | days | (calculated from 0901 to 0900 GMT data) | ||||||
| Max 15min accum | 2.4 | mm | 04-Sep-05 | 1:45 PM | |||||
| Rain Duration | 24.5 | hours | |||||||
| Longest Dry period | 4.41 | days | 09-Sep-05 | 8:45 AM | 105.75 | (hours) | |||
| Longest Wet period (>0.3mm / 15 mins) | 2.25 | hours | 10-Sep-05 | 11:45 AM | |||||
| Sunshine Hours (>30klux) | 176.50 | hours | 121.7% | of average | |||||
| Max Sunshine | 9.50 | hours | 16-Sep-05 | (calculated from 0901 to 0900 following day) | |||||
| Sunshine Hours (>50%) | 176.5 | hours | 121.7% | of average | |||||
| Max Sunshine | 10.25 | hours | 12-Sep-05 | (calculated from 0901 to 0900 following day) | |||||
| Brightest Calendar Day | 32.7 | klux | 05-Sep-05 | (calculated from 0901 to 0900 following day) | |||||
| Sunless Days | 1 | days | (calculated from 0901 to 0900 GMT data) | ||||||
| Maximum Brightness (klux) | 130 | klux | 08-Sep-05 | 12:30 PM | |||||
| Average Wind Speed | 2.8 | knots | 3.2 | mph | |||||
| Maximum Wind Speed | 17.06 | knots | 30-Sep-05 | 9:45 PM | 19.6 | mph | |||
| Days with wind from: | (calculated from 0901 to 0900 GMT data) | ||||||||
| Calm | 16 | ||||||||
| N | 0 | ||||||||
| NE | 0 | ||||||||
| E | 5 | ||||||||
| SE | 0 | ||||||||
| S | 1 | ||||||||
| SW | 2 | ||||||||
| W | 5 | ||||||||
| NW | 1 | ||||||||
| Average RH (at 09Z) | 78.9 | ||||||||