Monthly Report for September 2021

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Weather Summary
Measure Mean / Sum (anomaly) Min Max Mean Time
Minimum Temperature 13.0 °C (+1.3) 7.8 °C 17.2 °C 08:37
Maximum Temperature 20.8 °C (+2.2) 14.9 °C 28.4 °C 15:32
Mean Temperature 16.8 °C (+1.8) 11.6 °C 21.6 °C
Minimum Humidity 66% 39% 86% 15:16
Maximum Humidity 93% 86% 98% 10:12
Mean Humidity 82% 70% 93%
Minimum Pressure 1016 hPa 1004 hPa 1030 hPa 13:43
Maximum Pressure 1022 hPa 1011 hPa 1033 hPa 09:13
Mean Pressure 1019 hPa 1010 hPa 1032 hPa
Mean Wind Speed 2.9 mph (-1.0) 0.4 mph 7.9 mph
Maximum Wind Speed 10.1 mph 4.6 mph 18.2 mph 13:27
Maximum Gust 15.7 mph 8.0 mph 27.4 mph 13:19
Mean Wind Direction SSW N N
Rainfall 41.4 mm (84%) 0.0 mm 17.5 mm
Maximum Hourly Rain 2.1 mm 0.2 mm 6.9 mm 14:26
Maximum 10-min Rain 1.0 mm 0.2 mm 3.3 mm 14:27
Maximum Rain Rate 19 mm/h 1.1 mm/h 60 mm/h 15:46
Minimum Dew Point 10.9 °C 5.2 °C 15.3 °C 09:38
Maximum Dew Point 15.8 °C 11.4 °C 19.0 °C 14:08
Mean Dew Point 13.5 °C 7.7 °C 16.6 °C
Night Minimum (21-09) 13.3 °C 7.8 °C 17.3 °C 05:29
Day Maximum (09-21) 20.8 °C 14.9 °C 28.4 °C 15:32
Max 10m Temp Rise 0.6 °C 0.2 °C 1.6 °C 10:51
Max 1hr Temp Rise 2.2 °C 0.4 °C 3.5 °C 11:11
Max 1hr Hum Rise 7% 2% 14% 16:39
Max 10m Temp Fall 0.5 °C 0.2 °C 1.3 °C 16:11
Max 1hr Temp Fall 1.5 °C 0.7 °C 3.3 °C 18:34
Max 1hr Hum Fall 9% 2% 14% 11:34
Max 10m Wind Speed 7.5 mph 2.9 mph 14.1 mph 14:43
Minimum Feels-like 14.8 °C 5.3 °C 21.4 °C 09:05
Maximum Feels-like 25.0 °C 15.3 °C 34.7 °C 15:02
Mean Feels-like 19.9 °C 11.5 °C 25.9 °C n/a
Air-frost Hrs 0 hrs 0 hrs 0 hrs n/a
Measure Mean / Sum (anomaly) Min Max
Temperature Range 7.9 °C (+1.0) 3.5 °C 13.8 °C
Humidity Range 26% 8% 56%
Pressure Range 6 hPa 2 hPa 16 hPa
Measure Sum (anom.) [% of max] Min Max
Sun Hours 105 (78%) [31%] 0 12
Wet Hours 31 (76%) [4.3%] 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 11 Min < -5.0 °C 0 > 0 hrs 18 Falling Snow 0
> 0.1 mm 11 Min < 0.0 °C 0 > 1 hrs 16 Lying Snow 0
> 0.3 mm 9 Mean < 0.0 °C 0 > 3 hrs 13 Hail 0
> 1.0 mm 7 Mean > 20.0 °C 2 > 5 hrs 8 Thunder 0
> 5.0 mm 2 Max > 25.0 °C 3 > 10 hrs 1 Dense Fog 0
> 10.0 mm 2 Max > 30.0 °C 0 > 25% max poss. 15 Gusts > 30mph 0
> 20.0 mm 0 Min > 20.0 °C 0 > 95% max poss. 1 Total Events 0

Misc.

Mean rainfall for days with >0.3mm: 4.6 mm
Total snowfall: 0 cm - 0% of the total precipitation
Total lying snow: 0 cm

Graphs and Charts

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Wind rose

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