Monthly Weather Reports
Report for December 2011
Temperature |
Measure | Value (anomaly) | Day |
Lowest Temperature | -1.3 °C. | 19th |
Highest Temperature | 12.9 °C. | 26th |
Mean Temperature | 6.8 °C (+1.3) | . |
Mean Minimum | 4.3 °C (+1.1) | . |
Mean Maximum | 9.1 °C (+1.3) | . |
Highest Minimum | 10.5 °C. | 31st |
Lowest Maximum | 4.1 °C. | 16th |
Coldest Day | 1.5 °C. | 18th |
Warmest Day | 11.7 °C. | 31st |
Rainfall* |
Measure | Value (anomaly) | Day |
Total Rain | 55.9 mm (0%) | . |
Wettest Day | 9.1 mm. | 13th |
Rain Days | 21. | . |
Rain Days >1.0 mm | 11 (+0) | . |
Mean Rain-day rain | 2.7 mm. | . |
Wind Speed |
Measure | Value (anomaly) | Day |
Mean Wind speed | 6.3 mph (+1.2) | . |
Maximum Gust | 41.4 mph. | 12th |
Maximum Speed | 21.9 mph. | 8th |
Calmest Day | 4.0 mph. | 21st |
Windiest Day | 9.5 mph. | 8th |
Windy Days (>25 mph gusts) | 10. | . |
Mean Direction | 235° (SW). | . |
Relative Humidity |
Measure | Value | Day |
Lowest RH | 45%. | 7th |
Highest RH | 98%. | 21st |
Mean RH | 81%. | . |
Mean Minimum | 70%. | . |
Mean Maximum | 90%. | . |
Highest Minimum | 87%. | 21st |
Lowest Maximum | 77%. | 9th |
Lowest Mean | 66%. | 7th |
Highest Mean | 94%. | 19th |
Dew Point |
Measure | Value | Day |
Lowest Dew Point | -3.6 °C. | 19th |
Highest Dew Point | 11.2 °C. | 21st |
Mean Dew Point | 3.7 °C. | . |
Mean Minimum | 1.0 °C. | . |
Mean Maximum | 6.6 °C. | . |
Highest Minimum | 9.8 °C. | 31st |
Lowest Maximum | 0.6 °C. | 10th |
Lowest Mean | -1.0 °C. | 10th |
Highest Mean | 10.3 °C. | 31st |
Pressure |
Measure | Value | Day |
Lowest Pressure | 978 hPa. | 16th |
Highest Pressure | 1036 hPa. | 26th |
Mean Pressure | 1011 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
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 | 5.9 | 11.6 | 9.5 | 6.1 | 4.2 | 28.8 | 66% | 93% | 81% | 4.2 | 10.0 | 6.4 | 1002 | 1009 |
2 | 2.7 | 8.1 | 5.3 | 0.3 | 4.4 | 24.2 | 77% | 95% | 88% | 1.3 | 6.4 | 3.5 | 1004 | 1013 |
3 | 7.7 | 11.3 | 9.9 | 0.5 | 6.9 | 23.0 | 56% | 94% | 78% | 2.3 | 9.9 | 6.1 | 998 | 1005 |
4 | 4.0 | 9.3 | 7.5 | 0.3 | 5.4 | 17.3 | 73% | 85% | 79% | 1.5 | 6.1 | 4.1 | 993 | 1003 |
5 | 2.3 | 6.9 | 4.2 | 0.0 | 6.1 | 21.9 | 57% | 84% | 75% | -1.2 | 1.8 | 0.0 | 1000 | 1006 |
6 | 2.6 | 6.6 | 4.6 | 0.0 | 5.7 | 15.0 | 71% | 87% | 80% | -0.5 | 3.5 | 1.5 | 1003 | 1007 |
7 | 4.5 | 8.7 | 7.1 | 0.3 | 7.9 | 29.9 | 45% | 89% | 66% | -2.9 | 5.8 | 0.9 | 1000 | 1020 |
8 | 3.8 | 12.7 | 8.8 | 0.8 | 9.5 | 36.8 | 67% | 87% | 79% | -1.3 | 9.6 | 5.3 | 1001 | 1021 |
9 | 1.9 | 7.6 | 5.0 | 0.0 | 6.5 | 20.7 | 58% | 77% | 68% | -1.8 | 1.4 | -0.4 | 1006 | 1014 |
10 | 0.3 | 5.1 | 2.6 | 0.0 | 4.7 | 12.7 | 69% | 84% | 78% | -2.5 | 0.6 | -1.0 | 1013 | 1017 |
11 | 3.1 | 8.6 | 6.6 | 5.6 | 5.7 | 23.0 | 75% | 93% | 84% | 0.3 | 7.0 | 4.2 | 999 | 1016 |
12 | 2.7 | 9.9 | 6.3 | 4.9 | 7.5 | 41.4 | 72% | 94% | 87% | 1.5 | 9.0 | 4.2 | 987 | 1008 |
13 | 4.4 | 11.6 | 7.6 | 9.1 | 9.5 | 32.2 | 57% | 96% | 75% | -1.3 | 10.9 | 3.2 | 983 | 995 |
14 | 4.0 | 5.9 | 4.9 | 0.3 | 6.9 | 26.5 | 67% | 80% | 75% | 0.0 | 1.9 | 0.8 | 991 | 997 |
15 | 4.0 | 7.9 | 5.8 | 2.2 | 7.1 | 27.6 | 69% | 84% | 75% | 0.5 | 3.4 | 1.8 | 986 | 1001 |
16 | 1.0 | 4.1 | 2.8 | 6.0 | 5.8 | 19.8 | 77% | 97% | 89% | -0.1 | 3.2 | 1.1 | 978 | 1002 |
17 | 0.6 | 5.1 | 2.6 | 0.5 | 4.7 | 18.1 | 77% | 95% | 87% | -1.1 | 3.3 | 0.6 | 1002 | 1015 |
18 | -0.9 | 4.8 | 1.5 | 0.0 | 4.2 | 17.0 | 76% | 92% | 84% | -3.3 | 1.9 | -0.9 | 1014 | 1020 |
19 | -1.3 | 6.3 | 3.1 | 3.6 | 4.1 | 15.8 | 84% | 97% | 94% | -3.6 | 5.9 | 2.3 | 1009 | 1020 |
20 | 5.3 | 7.7 | 6.4 | 0.9 | 5.1 | 19.4 | 68% | 97% | 83% | 1.9 | 6.0 | 3.6 | 1010 | 1020 |
21 | 6.1 | 11.8 | 9.4 | 1.7 | 4.0 | 17.8 | 87% | 98% | 94% | 4.1 | 11.2 | 8.6 | 1015 | 1024 |
22 | 8.0 | 11.9 | 10.0 | 0.0 | 5.3 | 18.4 | 80% | 96% | 89% | 7.0 | 9.4 | 8.2 | 1023 | 1027 |
23 | 4.6 | 11.2 | 9.2 | 4.1 | 7.8 | 26.5 | 77% | 92% | 85% | 0.9 | 9.3 | 6.8 | 1008 | 1025 |
24 | 3.0 | 8.2 | 5.6 | 0.3 | 5.7 | 16.1 | 74% | 86% | 80% | -0.4 | 6.0 | 2.4 | 1022 | 1032 |
25 | 8.2 | 11.9 | 10.5 | 0.0 | 7.4 | 20.7 | 77% | 87% | 83% | 6.0 | 9.5 | 7.8 | 1026 | 1032 |
26 | 9.9 | 12.9 | 11.6 | 0.0 | 7.4 | 24.2 | 72% | 90% | 83% | 5.2 | 10.7 | 8.7 | 1031 | 1036 |
27 | 8.2 | 10.4 | 9.8 | 0.0 | 5.7 | 17.3 | 68% | 81% | 71% | 3.9 | 5.4 | 4.9 | 1026 | 1036 |
28 | 5.6 | 10.8 | 8.7 | 0.0 | 8.2 | 27.6 | 60% | 87% | 74% | 0.5 | 8.4 | 4.3 | 1018 | 1026 |
29 | 5.0 | 9.7 | 7.0 | 3.3 | 7.8 | 26.5 | 69% | 83% | 73% | 0.0 | 5.5 | 2.5 | 1013 | 1026 |
30 | 5.1 | 10.5 | 6.7 | 4.8 | 5.2 | 21.9 | 68% | 96% | 80% | 0.8 | 9.9 | 3.5 | 1008 | 1020 |
31 | 10.5 | 12.5 | 11.7 | 0.3 | 7.5 | 20.7 | 86% | 96% | 91% | 9.8 | 10.8 | 10.3 | 1007 | 1010 |
Graph for this month not available (windtempraintrend122011.gif)
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