Monthly Report for December 2021
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| Weather Summary | ||||
| Measure | Mean / Sum (anomaly) | Min | Max | Mean Time |
| Minimum Temperature | 5.5 °C (+1.9) | -1.4 °C | 13.2 °C | 10:09 |
| Maximum Temperature | 9.5 °C (+1.3) | 4.4 °C | 14.7 °C | 12:30 |
| Mean Temperature | 7.6 °C (+1.6) | 1.9 °C | 13.9 °C | |
| Minimum Humidity | 81% | 69% | 94% | 12:53 |
| Maximum Humidity | 93% | 83% | 98% | 09:54 |
| Mean Humidity | 88% | 76% | 96% | |
| Minimum Pressure | 1009 hPa | 985 hPa | 1040 hPa | 11:17 |
| Maximum Pressure | 1018 hPa | 999 hPa | 1043 hPa | 12:37 |
| Mean Pressure | 1013 hPa | 992 hPa | 1041 hPa | |
| Mean Wind Speed | 5.2 mph (+0.1) | 0.1 mph | 11.4 mph | |
| Maximum Wind Speed | 13.0 mph | 4.3 mph | 22.5 mph | 11:21 |
| Maximum Gust | 21.7 mph | 6.8 mph | 33.1 mph | 08:08 |
| Mean Wind Direction | SW | ENE | NNW | |
| Rainfall | 72.0 mm (126%) | 0.0 mm | 20.4 mm | |
| Maximum Hourly Rain | 1.9 mm | 0.5 mm | 4.6 mm | 10:18 |
| Maximum 10-min Rain | 0.8 mm | 0.3 mm | 2.0 mm | 11:18 |
| Maximum Rain Rate | 6 mm/h | 0.3 mm/h | 14 mm/h | 10:06 |
| Minimum Dew Point | 3.6 °C | -2.8 °C | 11.1 °C | 13:05 |
| Maximum Dew Point | 7.7 °C | 0.3 °C | 13.0 °C | 11:35 |
| Mean Dew Point | 5.6 °C | -1.1 °C | 12.0 °C | |
| Night Minimum (21-09) | 6.0 °C | -1.4 °C | 12.6 °C | 09:04 |
| Day Maximum (09-21) | 9.2 °C | 4.4 °C | 14.7 °C | 15:01 |
| Max 10m Temp Rise | 0.3 °C | 0.1 °C | 0.9 °C | 09:56 |
| Max 1hr Temp Rise | 1.0 °C | 0.1 °C | 3.2 °C | 10:55 |
| Max 1hr Hum Rise | 4% | 1% | 13% | 11:16 |
| Max 10m Temp Fall | 0.3 °C | 0.1 °C | 1.3 °C | 13:13 |
| Max 1hr Temp Fall | 0.9 °C | 0.4 °C | 2.6 °C | 15:08 |
| Max 1hr Hum Fall | 5% | 1% | 12% | 10:53 |
| Max 10m Wind Speed | 10.0 mph | 1.9 mph | 16.0 mph | 10:40 |
| Minimum Feels-like | 2.3 °C | -5.2 °C | 15.4 °C | 08:47 |
| Maximum Feels-like | 9.8 °C | 3.0 °C | 17.3 °C | 11:32 |
| Mean Feels-like | 6.4 °C | -1.4 °C | 16.2 °C | n/a |
| Air-frost Hrs | 10 hrs | 0 hrs | 10 hrs | n/a |
| Measure | Mean / Sum (anomaly) | Min | Max | |
| Temperature Range | 4.0 °C (-0.6) | 1.3 °C | 8.5 °C | |
| Humidity Range | 12% | 4% | 25% | |
| Pressure Range | 9 hPa | 2 hPa | 25 hPa | |
| Measure | Sum (anom.) [% of max] | Min | Max | |
| Sun Hours | 29 (45%) [13%] | 0 | 7.4 | |
| Wet Hours | 64 (103%) [8.6%] | 0 | 9 | |
NB: Hover over a value to view the date it was recorded.
Sun hrs, Wet hrs, Cloud cover and Events are based on manual equipment/observations (entered with a delay of 1-10 days).
Consequently, their reliablity is questionable and they are provided for interest only.
| Days Of... | |||||||
| Rainfall | Temperature | Sunshine | Other | ||||
| > 0.0 mm | 17 | Min < -5.0 °C | 0 | > 0 hrs | 13 | Falling Snow | 0 |
| > 0.1 mm | 17 | Min < 0.0 °C | 2 | > 1 hrs | 6 | Lying Snow | 0 |
| > 0.3 mm | 17 | Mean < 0.0 °C | 0 | > 3 hrs | 4 | Hail | 0 |
| > 1.0 mm | 15 | Mean > 20.0 °C | 0 | > 5 hrs | 2 | Thunder | 0 |
| > 5.0 mm | 2 | Max > 25.0 °C | 0 | > 10 hrs | 0 | Dense Fog | 1 |
| > 10.0 mm | 2 | Max > 30.0 °C | 0 | > 25% max poss. | 6 | Gusts > 30mph | 5 |
| > 20.0 mm | 1 | Ice Days | 0 | > 95% max poss. | 1 | Total Events | 6 |
Misc.
Mean rainfall for days with >0.3mm: 4.2 mmTotal snowfall: 0 cm - 0% of the total precipitation
Total lying snow: 0 cm