Monthly Weather Reports
Special note: Wind data not valid for this month (valid records began in Aug 2009)
NB: Everything below here is currently in development
Graph for this month not available (windtempraintrend52009.gif)
View daily breakdown
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Report for May 2009
Temperature | ||
| Measure | Value (anomaly) | Day |
| Lowest Temperature | 4.8 °C. | 4th |
| Highest Temperature | 25.3 °C. | 31st |
| Mean Temperature | 13.5 °C (+1.0) | . |
| Mean Minimum | 8.9 °C (+0.6) | . |
| Mean Maximum | 18.7 °C (+2.0) | . |
| Highest Minimum | 12.9 °C. | 28th |
| Lowest Maximum | 12.8 °C. | 4th |
| Coldest Day | 9.3 °C. | 4th |
| Warmest Day | 17.5 °C. | 29th |
Rainfall* | ||
| Measure | Value (anomaly) | Day |
| Total Rain | 26.0 mm (0%) | . |
| Wettest Day | 12.0 mm. | 26th |
| Rain Days | 8. | . |
| Rain Days >1.0 mm | 6 (-3) | . |
| Mean Rain-day rain | 3.2 mm. | . |
Wind Speed | ||
| Measure | Value (anomaly) | Day |
| Mean Wind speed | 2.2 mph (-2.5) | . |
| Maximum Gust | 17.3 mph. | 16th |
| Maximum Speed | 10.4 mph. | 18th |
| Calmest Day | 0.6 mph. | 14th |
| Windiest Day | 4.1 mph. | 18th |
| Windy Days (>25 mph gusts) | 0. | . |
| Mean Direction | 280° (W). | . |
Relative Humidity | ||
| Measure | Value | Day |
| Lowest RH | 30%. | 30th |
| Highest RH | 95%. | 29th |
| Mean RH | 68%. | . |
| Mean Minimum | 46%. | . |
| Mean Maximum | 87%. | . |
| Highest Minimum | 70%. | 7th |
| Lowest Maximum | 71%. | 3rd |
| Lowest Mean | 53%. | 3rd |
| Highest Mean | 84%. | 27th |
Dew Point | ||
| Measure | Value | Day |
| Lowest Dew Point | -2.2 °C. | 4th |
| Highest Dew Point | 16.2 °C. | 29th |
| Mean Dew Point | 7.2 °C. | . |
| Mean Minimum | 4.1 °C. | . |
| Mean Maximum | 10.4 °C. | . |
| Highest Minimum | 11.7 °C. | 28th |
| Lowest Maximum | 5.7 °C. | 3rd |
| Lowest Mean | 2.0 °C. | 3rd |
| Highest Mean | 13.0 °C. | 28th |
Pressure | ||
| Measure | Value | Day |
| Lowest Pressure | 1000 hPa. | 15th |
| Highest Pressure | 1034 hPa. | 28th |
| Mean Pressure | 1018 hPa. | . |
*: Includes snowfall (if recorded), which is manually entered so may take a few days to appear for the current month. 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.
NB: Everything below here is currently in development
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Summary | ||||||||||||||
| Day | Temperature | Rainfall | Wind Speed | Rel Humidity | Dew Point | Pressure | ||||||||
| Min | Max | Avg | Total | Avg | Gust | Min | Max | Avg | Min | Max | Avg | Min | Max | |
| 1 | 7.9 | 21.0 | 14.1 | 0.0 | 1.9 | 10.4 | 40% | 94% | 68% | 2.9 | 11.0 | 7.7 | 1021 | 1026 |
| 2 | 8.3 | 19.5 | 13.4 | 0.0 | 1.7 | 5.8 | 35% | 88% | 63% | 3.3 | 8.5 | 5.8 | 1025 | 1029 |
| 3 | 7.6 | 15.2 | 11.6 | 0.0 | 2.2 | 8.1 | 35% | 71% | 53% | -2.0 | 5.7 | 2.0 | 1024 | 1027 |
| 4 | 4.8 | 12.8 | 9.3 | 0.0 | 2.3 | 10.4 | 51% | 80% | 64% | -2.2 | 7.6 | 2.8 | 1021 | 1028 |
| 5 | 10.9 | 19.7 | 13.8 | 0.0 | 3.2 | 12.7 | 49% | 85% | 71% | 5.5 | 10.5 | 8.4 | 1018 | 1023 |
| 6 | 11.0 | 19.8 | 14.6 | 0.0 | 3.6 | 10.4 | 45% | 81% | 67% | 6.4 | 10.2 | 8.4 | 1015 | 1019 |
| 7 | 9.1 | 15.2 | 12.5 | 0.0 | 3.6 | 13.8 | 70% | 82% | 77% | 5.8 | 10.2 | 8.5 | 1008 | 1015 |
| 8 | 8.0 | 15.7 | 11.5 | 1.1 | 3.7 | 12.7 | 41% | 83% | 65% | 2.2 | 8.5 | 4.7 | 1007 | 1018 |
| 9 | 6.8 | 17.7 | 11.6 | 0.0 | 1.7 | 9.2 | 38% | 84% | 62% | 2.2 | 6.3 | 4.1 | 1015 | 1019 |
| 10 | 5.6 | 20.1 | 12.8 | 0.0 | 1.0 | 9.2 | 37% | 87% | 62% | 2.0 | 8.8 | 5.0 | 1018 | 1022 |
| 11 | 6.9 | 17.0 | 11.3 | 0.0 | 2.9 | 12.7 | 38% | 81% | 60% | 0.7 | 6.2 | 3.3 | 1021 | 1023 |
| 12 | 6.1 | 16.9 | 11.3 | 0.0 | 2.8 | 13.8 | 34% | 74% | 60% | 0.9 | 7.7 | 3.4 | 1017 | 1023 |
| 13 | 10.0 | 13.6 | 11.8 | 1.3 | 1.2 | 10.4 | 69% | 89% | 82% | 5.3 | 10.5 | 8.8 | 1011 | 1018 |
| 14 | 11.8 | 18.3 | 14.5 | 0.0 | 0.6 | 4.6 | 66% | 93% | 82% | 9.7 | 12.6 | 11.4 | 1004 | 1012 |
| 15 | 8.7 | 16.3 | 12.6 | 5.1 | 2.5 | 12.7 | 59% | 94% | 81% | 6.0 | 11.6 | 9.2 | 1000 | 1004 |
| 16 | 7.3 | 15.9 | 11.7 | 0.5 | 3.6 | 17.3 | 50% | 94% | 72% | 3.4 | 10.8 | 6.4 | 1003 | 1010 |
| 17 | 8.3 | 14.8 | 11.2 | 3.6 | 3.0 | 15.0 | 58% | 88% | 77% | 4.3 | 9.4 | 7.2 | 1005 | 1010 |
| 18 | 9.2 | 15.9 | 12.3 | 0.0 | 4.1 | 13.8 | 53% | 89% | 72% | 5.3 | 8.7 | 7.2 | 1009 | 1018 |
| 19 | 9.6 | 17.5 | 12.9 | 0.5 | 3.1 | 16.1 | 48% | 93% | 72% | 4.8 | 10.9 | 7.6 | 1017 | 1021 |
| 20 | 8.3 | 19.2 | 13.5 | 0.0 | 2.3 | 8.1 | 44% | 92% | 68% | 5.2 | 9.6 | 7.1 | 1017 | 1022 |
| 21 | 8.8 | 19.8 | 13.9 | 0.0 | 2.4 | 9.2 | 35% | 88% | 63% | 3.8 | 9.5 | 6.3 | 1011 | 1018 |
| 22 | 8.2 | 19.1 | 13.7 | 0.0 | 2.3 | 8.1 | 45% | 84% | 63% | 4.9 | 8.2 | 6.5 | 1014 | 1020 |
| 23 | 8.5 | 21.0 | 15.5 | 0.0 | 1.1 | 5.8 | 33% | 89% | 58% | 2.8 | 11.4 | 6.4 | 1015 | 1020 |
| 24 | 10.3 | 25.1 | 17.2 | 0.0 | 0.9 | 6.9 | 33% | 75% | 56% | 5.4 | 10.3 | 7.7 | 1017 | 1021 |
| 25 | 11.1 | 24.2 | 16.9 | 0.0 | 0.7 | 5.8 | 47% | 84% | 69% | 6.4 | 14.5 | 11.0 | 1010 | 1021 |
| 26 | 10.2 | 17.2 | 13.6 | 12.0 | 3.0 | 10.4 | 38% | 94% | 69% | 1.8 | 15.0 | 7.5 | 1007 | 1023 |
| 27 | 8.5 | 15.1 | 11.5 | 1.9 | 2.9 | 13.8 | 69% | 91% | 84% | 4.8 | 13.1 | 8.9 | 1019 | 1024 |
| 28 | 12.9 | 22.6 | 17.4 | 0.0 | 1.5 | 9.2 | 54% | 94% | 77% | 11.7 | 14.2 | 13.0 | 1024 | 1034 |
| 29 | 12.1 | 24.0 | 17.5 | 0.0 | 0.9 | 8.1 | 39% | 95% | 69% | 2.9 | 16.2 | 11.0 | 1028 | 1034 |
| 30 | 9.3 | 23.1 | 16.1 | 0.0 | 1.0 | 8.1 | 30% | 90% | 59% | 4.5 | 11.9 | 7.2 | 1023 | 1029 |
| 31 | 10.2 | 25.3 | 17.5 | 0.0 | 1.5 | 8.1 | 36% | 85% | 64% | 7.1 | 13.3 | 9.9 | 1024 | 1026 |
Graph for this month not available (windtempraintrend52009.gif)