Annual Weather Reports
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Report for 2018
Jump to monthly breakdownTemperature | ||
| Measure | Value (anomaly) | Day |
| Lowest Temperature | -5.4 °C. | 28th Feb |
| Highest Temperature | 33.9 °C. | 26th July |
| Mean Temperature | 9.7 °C (+1.1) | . |
| Mean Minimum | 6.7 °C (+0.8) | . |
| Mean Maximum | 12.9 °C (+1.4) | . |
| Highest Minimum | 19.3 °C. | 27th July |
| Lowest Maximum | -1.8 °C. | 28th Feb |
| Coldest Day | -4.1 °C. | 28th Feb |
| Warmest Day | 26.5 °C. | 26th July |
| Coldest Month | 3.3 °C (-1.6) | Feb |
| Warmest Month | 21.7 °C (+3.8) | July |
| Most -ve anom Month | 3.3 °C (-1.6) | Feb |
| Most +ve anom Month | 21.7 °C (+3.8) | July |
Rainfall* | ||
| Measure | Value (anomaly) | Day |
| Total Rain | 347.8 mm (0%) | . |
| Wettest Day | 15.2 mm. | 13th July |
| Rain Days | 100. | . |
| Rain Days >1.0 mm | 63 (-50) | . |
| Mean Rain-day rain | 3.5 mm. | . |
| Max Rain rate** | 30 mm/h. | 4th March |
| Wettest hour | 5.2 mm. | 4th March |
| Wettest Month | 65.4 mm (0%) | Jan |
| Driest Month | 0.8 mm (0%) | June |
Wind Speed | ||
| Measure | Value (anomaly) | Day |
| Mean Wind speed | 3.7 mph (-0.9) | . |
| Maximum Gust | 49.5 mph. | 3rd Jan |
| Maximum Speed | 28.8 mph. | 3rd Jan |
| Calmest Day | 1.0 mph. | 5th July |
| Windiest Day | 12.6 mph. | 3rd Jan |
| Windy Days (>25 mph gusts) | 77. | . |
| Mode Direction | SW. | . |
| Calmest Month | 3.6 mph (-0.7) | July |
| Windiest Month | 6.6 mph (+1.4) | Jan |
Relative Humidity | ||
| Measure | Value | Day |
| Lowest RH | 24%. | 23rd June |
| Highest RH | 98%. | 4th Jan |
| Mean RH | 56%. | . |
| Mean Minimum | 43%. | . |
| Mean Maximum | 67%. | . |
| Highest Minimum | 93%. | 11th Jan |
| Lowest Maximum | 63%. | 2nd July |
| Lowest Mean | 43%. | 2nd July |
| Highest Mean | 95%. | 11th Jan |
| Least Humid Month | 62%. | July |
| Most Humid Month | 85%. | Jan |
Dew Point | ||
| Measure | Value | Day |
| Lowest Dew Point | -11.9 °C. | 30th Aug |
| Highest Dew Point | 20.9 °C. | 0th July |
| Mean Dew Point | 6.1 °C. | . |
| Mean Minimum | 4.2 °C. | . |
| Mean Maximum | 7.9 °C. | . |
| Highest Minimum | 15.6 °C. | 20th Aug |
| Lowest Maximum | -5.0 °C. | 28th Feb |
| Lowest Mean | -6.8 °C. | 28th Feb |
| Highest Mean | 17.0 °C. | 26th July |
| Least Humid Month | 0.0 °C. | Feb |
| Most Humid Month | 13.5 °C. | July |
Pressure | ||
| Measure | Value | Day |
| Lowest Pressure | 426 hPa. | 30th Aug |
| Highest Pressure | 1034 hPa. | 20th March |
| Mean Pressure | 761 hPa. | . |
| Lowest month average SLP | 1002 hPa. | March |
| Highest month average SLP | 1020 hPa. | June |
*: 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 | -0.3 °C. | -5.4 °C. | -4.8 °C. | 3.7 °C. | 3.2 °C. | 7.9 °C. | 13.1 °C. | 6.8 °C. | 6.8 °C. | 0.0 °C. | 0.0 °C. | 0.0 °C. |
| Highest Temp | 12.9 °C. | 10.6 °C. | 14.5 °C. | 28.4 °C. | 27.8 °C. | 29.7 °C. | 33.9 °C. | 32.2 °C. | 24.8 °C. | 0.0 °C. | 0.0 °C. | 0.0 °C. |
| Mean Temp | 6.4 °C (+1.7) | 3.3 °C (-1.6) | 6.0 °C (-1.0) | 11.5 °C (+2.6) | 14.9 °C (+2.4) | 17.9 °C (+2.2) | 21.7 °C (+3.8) | 18.7 °C (+1.0) | 16.6 °C (+1.7) | 0.0 °C. | 0.0 °C. | 0.0 °C. |
| Mean Minimum | 3.9 °C (+1.5) | 0.4 °C (-1.8) | 3.3 °C (-0.3) | 8.1 °C (+3.1) | 9.2 °C (+0.9) | 12.6 °C (+1.5) | 15.9 °C (+2.5) | 13.9 °C (+0.7) | 12.5 °C (+1.4) | 0.0 °C. | 0.0 °C. | 0.0 °C. |
| Mean Maximum | 8.9 °C (+1.9) | 5.9 °C (-1.7) | 9.0 °C (-1.4) | 15.1 °C (+2.3) | 20.4 °C (+3.7) | 23.5 °C (+3.3) | 27.2 °C (+4.8) | 23.3 °C (+1.1) | 21.1 °C (+2.4) | 0.0 °C. | 0.0 °C. | 0.0 °C. |
| Total Rain | 65.4 mm (0%) | 29.8 mm (0%) | 59.0 mm (0%) | 52.6 mm (0%) | 35.4 mm (0%) | 0.8 mm (0%) | 33.2 mm (0%) | 64.6 mm (0%) | 7.0 mm (0%) | 0.0 mm. | 0.0 mm. | 0.0 mm. |
| Wettest Day | 11.6 mm. | 7.6 mm. | 10.6 mm. | 12.2 mm. | 14.8 mm. | 0.2 mm. | 15.2 mm. | 13.8 mm. | 2.8 mm. | 0.0 mm. | 0.0 mm. | 0.0 mm. |
| Rain Days | 18. | 11. | 19. | 16. | 10. | 4. | 6. | 12. | 4. | 0. | 0. | 0. |
| Mean Wind spd | 6.6 mph (+1.4) | 5.8 mph (+0.8) | 6.0 mph (+0.8) | 5.4 mph (+0.5) | 3.7 mph (-1.0) | 4.3 mph (-0.1) | 3.6 mph (-0.7) | 4.0 mph (-0.0) | 5.2 mph (+1.3) | 0.0 mph. | 0.0 mph. | 0.0 mph. |
| Maximum Gust | 49.5 mph. | 33.4 mph. | 35.7 mph. | 35.7 mph. | 26.5 mph. | 26.5 mph. | 39.1 mph. | 33.4 mph. | 40.3 mph. | 0.0 mph. | 0.0 mph. | 0.0 mph. |
| Lowest RH | 59%. | 47%. | 42%. | 25%. | 28%. | 24%. | 27%. | 25%. | 34%. | 0%. | 0%. | 0%. |
| Highest RH | 98%. | 96%. | 96%. | 97%. | 97%. | 94%. | 95%. | 96%. | 97%. | 0%. | 0%. | 0%. |
| Mean RH | 85%. | 80%. | 81%. | 78%. | 71%. | 68%. | 62%. | 72%. | 74%. | 0%. | 0%. | 0%. |
| Lowest Dew Pt | -2.1 °C. | -9.3 °C. | -8.4 °C. | -3.8 °C. | -0.2 °C. | 0.7 °C. | 6.3 °C. | -11.9 °C. | 5.3 °C. | 0.0 °C. | 0.0 °C. | 0.0 °C. |
| Highest Dew Pt | 11.2 °C. | 9.6 °C. | 11.3 °C. | 14.7 °C. | 19.8 °C. | 17.3 °C. | 20.9 °C. | 18.8 °C. | 17.7 °C. | 0.0 °C. | 0.0 °C. | 0.0 °C. |
| Mean Dew Point | 4.0 °C. | 0.0 °C. | 2.9 °C. | 7.3 °C. | 9.1 °C. | 11.4 °C. | 13.5 °C. | 13.2 °C. | 11.5 °C. | 0.0 °C. | 0.0 °C. | 0.0 °C. |
| Lowest Pressure | 989 hPa. | 996 hPa. | 986 hPa. | 993 hPa. | 1004 hPa. | 1010 hPa. | 1004 hPa. | 426 hPa. | 997 hPa. | 0 hPa. | 0 hPa. | 0 hPa. |
| Highest Pressure | 1032 hPa. | 1032 hPa. | 1034 hPa. | 1030 hPa. | 1030 hPa. | 1032 hPa. | 1028 hPa. | 1026 hPa. | 1027 hPa. | 0 hPa. | 0 hPa. | 0 hPa. |
| Mean Pressure | 1010 hPa. | 1017 hPa. | 1002 hPa. | 1011 hPa. | 1018 hPa. | 1020 hPa. | 1017 hPa. | 1017 hPa. | 1018 hPa. | 0 hPa. | 0 hPa. | 0 hPa. |