Annual Weather Reports
Special note: Data is suspect for this year as no automatic data was recorded in January
Hover over an extreme value to get the date it was recorded
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Report for 2009
Jump to monthly breakdownTemperature | ||
| Measure | Value (anomaly) | Day |
| Lowest Temperature | -3.9 °C. | 3rd Feb |
| Highest Temperature | 29.5 °C. | 2nd July |
| Mean Temperature | 10.6 °C (+0.3) | . |
| Mean Minimum | 7.5 °C (+0.4) | . |
| Mean Maximum | 14.4 °C (+0.8) | . |
| Highest Minimum | 18.5 °C. | 3rd July |
| Lowest Maximum | 0.4 °C. | 2nd Feb |
| Coldest Day | -1.7 °C. | 19th Dec |
| Warmest Day | 22.1 °C. | 30th June |
| Coldest Month | 3.8 °C (-1.7) | Dec |
| Warmest Month | 17.9 °C (+0.2) | Aug |
| Most -ve anom Month | 3.8 °C (-1.7) | Dec |
| Most +ve anom Month | 10.9 °C (+2.0) | April |
Rainfall* | ||
| Measure | Value (anomaly) | Day |
| Total Rain | 605.8 mm (0%) | . |
| Wettest Day | 35.8 mm. | 27th June |
| Rain Days | 140. | . |
| Rain Days >1.0 mm | 102 (-11) | . |
| Mean Rain-day rain | 4.3 mm. | . |
| Max Rain rate** | 96 mm/h. | 27th June |
| Wettest hour | 33.3 mm. | 27th June |
| Wettest Month | 144.2 mm (0%) | Nov |
| Driest Month | 25.7 mm (0%) | Oct |
Wind Speed | ||
| Measure | Value (anomaly) | Day |
| Mean Wind speed | 2.8 mph (-1.8) | . |
| Maximum Gust | 35.7 mph. | 1st Sep |
| Maximum Speed | 24.2 mph. | 23rd Nov |
| Calmest Day | 0.0 mph. | 29th June |
| Windiest Day | 10.9 mph. | 18th Nov |
| Windy Days (>25 mph gusts) | 18. | . |
| Mode Direction | SSW. | . |
| Calmest Month | 1.2 mph (-3.2) | June |
| Windiest Month | 6.0 mph (+1.4) | Nov |
Relative Humidity | ||
| Measure | Value | Day |
| Lowest RH | 30%. | 30th May |
| Highest RH | 98%. | 6th Feb |
| Mean RH | 71%. | . |
| Mean Minimum | 54%. | . |
| Mean Maximum | 84%. | . |
| Highest Minimum | 98%. | 23rd Dec |
| Lowest Maximum | 70%. | 3rd June |
| Lowest Mean | 50%. | 2nd June |
| Highest Mean | 98%. | 11th Dec |
| Least Humid Month | 68%. | May |
| Most Humid Month | 92%. | Dec |
Dew Point | ||
| Measure | Value | Day |
| Lowest Dew Point | -9.5 °C. | 1st Feb |
| Highest Dew Point | 19.8 °C. | 0th June |
| Mean Dew Point | 6.7 °C. | . |
| Mean Minimum | 4.4 °C. | . |
| Mean Maximum | 9.2 °C. | . |
| Highest Minimum | 14.2 °C. | 5th Aug |
| Lowest Maximum | -2.5 °C. | 1st Feb |
| Lowest Mean | -5.1 °C. | 1st Feb |
| Highest Mean | 16.5 °C. | 6th Aug |
| Least Humid Month | 1.7 °C. | Feb |
| Most Humid Month | 12.7 °C. | Aug |
Pressure | ||
| Measure | Value | Day |
| Lowest Pressure | 977 hPa. | 10th Feb |
| Highest Pressure | 1039 hPa. | 11th Sep |
| Mean Pressure | 929 hPa. | . |
| Lowest month average SLP | 999 hPa. | Nov |
| Highest month average SLP | 1022 hPa. | Sep |
*: Includes snowfall (if recorded), which is manually entered so may take a few days to appear for the current year. NB that rain rate and max in 1hr are incalculable for snow events.
**: Rain rates are manually checked and readjusted from software-given values (within a week or so), so may differ from those quoted during current rain events.
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Summary | ||||||||||||
| Measure | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
| Lowest Temp | 0.0 °C. | -3.9 °C. | -0.5 °C. | 2.7 °C. | 4.8 °C. | 6.6 °C. | 10.4 °C. | 9.1 °C. | 8.5 °C. | 2.8 °C. | 2.5 °C. | -3.9 °C. |
| Highest Temp | 0.0 °C. | 14.0 °C. | 16.4 °C. | 20.5 °C. | 25.3 °C. | 29.4 °C. | 29.5 °C. | 28.7 °C. | 27.1 °C. | 18.4 °C. | 16.1 °C. | 12.3 °C. |
| Mean Temp | 0.0 °C. | 4.4 °C (-0.5) | 7.6 °C (+0.6) | 10.9 °C (+2.0) | 13.5 °C (+1.0) | 16.1 °C (+0.5) | 17.0 °C (-0.9) | 17.9 °C (+0.2) | 15.1 °C (+0.2) | 12.0 °C (+0.3) | 9.3 °C (+1.7) | 3.8 °C (-1.7) |
| Mean Minimum | 0.0 °C. | 2.1 °C (-0.1) | 3.4 °C (-0.2) | 6.6 °C (+1.6) | 8.9 °C (+0.6) | 11.5 °C (+0.4) | 13.5 °C (+0.1) | 14.1 °C (+0.9) | 11.7 °C (+0.6) | 9.1 °C (+0.3) | 7.1 °C (+2.1) | 1.6 °C (-1.6) |
| Mean Maximum | 0.0 °C. | 7.5 °C (-0.1) | 12.4 °C (+2.0) | 16.1 °C (+3.3) | 18.7 °C (+2.0) | 21.3 °C (+1.1) | 21.7 °C (-0.7) | 22.5 °C (+0.3) | 19.3 °C (+0.6) | 15.5 °C (+0.9) | 11.8 °C (+1.6) | 5.9 °C (-1.9) |
| Total Rain | 0.0 mm. | 63.5 mm (0%) | 31.7 mm (0%) | 33.5 mm (0%) | 26.0 mm (0%) | 71.1 mm (0%) | 56.0 mm (0%) | 42.2 mm (0%) | 36.1 mm (0%) | 25.7 mm (0%) | 144.2 mm (0%) | 75.8 mm (0%) |
| Wettest Day | 0.0 mm. | 20.0 mm. | 10.0 mm. | 7.7 mm. | 12.0 mm. | 35.8 mm. | 10.2 mm. | 34.3 mm. | 25.5 mm. | 7.2 mm. | 16.8 mm. | 11.3 mm. |
| Rain Days | 0. | 11. | 9. | 12. | 8. | 11. | 17. | 9. | 5. | 13. | 23. | 22. |
| Mean Wind spd | 0.0 mph. | 1.4 mph (-3.7) | 2.3 mph (-2.9) | 1.5 mph (-3.4) | 2.2 mph (-2.5) | 1.2 mph (-3.2) | 2.2 mph (-2.1) | 4.0 mph (+0.0) | 4.8 mph (+0.9) | 3.4 mph (-0.7) | 6.0 mph (+1.4) | 4.7 mph (-0.4) |
| Maximum Gust | 0.0 mph. | 11.5 mph. | 20.7 mph. | 12.7 mph. | 17.3 mph. | 11.5 mph. | 12.7 mph. | 27.6 mph. | 35.7 mph. | 28.7 mph. | 35.7 mph. | 33.4 mph. |
| Lowest RH | 0%. | 45%. | 42%. | 32%. | 30%. | 31%. | 38%. | 34%. | 44%. | 49%. | 55%. | 66%. |
| Highest RH | 0%. | 98%. | 97%. | 97%. | 95%. | 97%. | 97%. | 98%. | 98%. | 98%. | 98%. | 98%. |
| Mean RH | 0%. | 83%. | 73%. | 74%. | 68%. | 68%. | 74%. | 73%. | 75%. | 82%. | 86%. | 92%. |
| Lowest Dew Pt | 0.0 °C. | -9.5 °C. | -3.6 °C. | -0.8 °C. | -2.2 °C. | 2.9 °C. | 5.9 °C. | 4.6 °C. | 4.9 °C. | 1.0 °C. | 0.6 °C. | -6.1 °C. |
| Highest Dew Pt | 0.0 °C. | 8.7 °C. | 9.3 °C. | 14.5 °C. | 16.2 °C. | 19.8 °C. | 18.8 °C. | 19.4 °C. | 17.8 °C. | 17.8 °C. | 15.8 °C. | 11.3 °C. |
| Mean Dew Point | 0.0 °C. | 1.7 °C. | 2.7 °C. | 6.0 °C. | 7.2 °C. | 9.8 °C. | 11.9 °C. | 12.7 °C. | 10.4 °C. | 8.9 °C. | 7.0 °C. | 2.5 °C. |
| Lowest Pressure | 0 hPa. | 977 hPa. | 980 hPa. | 994 hPa. | 1000 hPa. | 999 hPa. | 1000 hPa. | 1003 hPa. | 991 hPa. | 994 hPa. | 979 hPa. | 983 hPa. |
| Highest Pressure | 0 hPa. | 1033 hPa. | 1038 hPa. | 1028 hPa. | 1034 hPa. | 1031 hPa. | 1025 hPa. | 1025 hPa. | 1039 hPa. | 1034 hPa. | 1021 hPa. | 1035 hPa. |
| Mean Pressure | 0 hPa. | 1014 hPa. | 1015 hPa. | 1012 hPa. | 1018 hPa. | 1016 hPa. | 1012 hPa. | 1015 hPa. | 1022 hPa. | 1016 hPa. | 999 hPa. | 1005 hPa. |