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Monthly Report for December 2020

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Weather Summary
Measure Mean / Sum (anomaly) Min Max Mean Time
Minimum Temperature 3.8 °C (+0.2) -1.8 °C 10.6 °C 12:55
Maximum Temperature 8.0 °C (-0.2) 0.8 °C 13.3 °C 14:51
Mean Temperature 6.1 °C (+0.0) -0.3 °C 11.2 °C
Minimum Humidity 84% 75% 94% 12:54
Maximum Humidity 93% 86% 97% 12:06
Mean Humidity 89% 82% 95%
Minimum Pressure 998 hPa 972 hPa 1029 hPa 09:51
Maximum Pressure 1009 hPa 983 hPa 1033 hPa 12:43
Mean Pressure 1004 hPa 976 hPa 1031 hPa
Mean Wind Speed 4.6 mph (-0.5) 0.2 mph 10.3 mph
Maximum Wind Speed 13.1 mph 5.5 mph 27.8 mph 12:00
Maximum Gust 20.5 mph 8.0 mph 41.1 mph 10:06
Mean Wind Direction 239° [WSW] n/a 352° [N]
Rainfall 76.8 mm (135%) 0.0 mm 15.4 mm
Maximum Hourly Rain 1.4 mm 0.2 mm 4.2 mm 10:28
Maximum 10-min Rain 0.6 mm 0.2 mm 2.2 mm 10:40
Maximum Rain Rate 12 mm/h 0.3 mm/h 24 mm/h 09:59
Minimum Dew Point 2.3 °C -2.9 °C 8.5 °C 14:02
Maximum Dew Point 6.3 °C -0.3 °C 12.2 °C 13:26
Mean Dew Point 4.4 °C -1.4 °C 9.8 °C
Night Minimum (21-09) 4.5 °C -1.8 °C 10.4 °C 08:52
Day Maximum (09-21) 7.8 °C 0.8 °C 13.3 °C 15:20
Max 10m Temp Rise 0.3 °C 0.2 °C 0.4 °C 09:53
Max 1hr Temp Rise 0.9 °C 0.4 °C 1.9 °C 11:09
Max 1hr Hum Rise 4% 1% 9% 13:23
Max 10m Temp Fall 0.3 °C 0.1 °C 0.6 °C 10:34
Max 1hr Temp Fall 1.0 °C 0.3 °C 2.0 °C 11:22
Max 1hr Hum Fall 4% 1% 7% 10:47
Max 10m Wind Speed 10.3 mph 3.2 mph 22.5 mph 11:11
Minimum Feels-like 0.5 °C -7.1 °C 11.2 °C 10:09
Maximum Feels-like 8.2 °C 0.8 °C 15.7 °C 13:36
Mean Feels-like 4.7 °C -2.1 °C 12.3 °C
Air-frost Hrs 24 hrs 0 hrs 13 hrs
Minimum PM2.5 0.0 µg/m3 0.0 µg/m3 0.0 µg/m3 n/a
Maximum PM2.5 n/a n/a n/a
Mean PM2.5 n/a n/a n/a
Temperature Range 4.2 °C (-0.4) 1.3 °C 9.4 °C
Humidity Range 10% 3% 17%
Pressure Range 11 hPa 4 hPa 36 hPa
Sun Hours 52 (80%) [24%]
Wet Hours 81 (131%) [11%]

NB: Hover over a value to see how many days of data it is from. Sun hrs, Wet hrs, Cloud cover and Events are based on manual observation and provided for interest only.

Days Of...
Rainfall Temperature Sunshine Other
> 0.0 mm 20 Min < -5.0 °C 0 > 0 hrs 19 Falling Snow 0
> 0.1 mm 20 Min < 0.0 °C 5 > 1 hrs 14 Lying Snow 0
> 0.3 mm 18 Mean < 0.0 °C 1 > 3 hrs 8 Hail 0
> 1.0 mm 15 Mean > 20.0 °C 0 > 5 hrs 3 Thunder 0
> 5.0 mm 5 Max > 25.0 °C 0 > 10 hrs 0 Dense Fog 3
> 10.0 mm 2 Max > 30.0 °C 0 > 25% max poss. 13 Gusts > 30mph 3
> 20.0 mm 0 Ice Days 0 > 95% max poss. 1 Total Events 6

Misc.

Mean rainfall for days with >0.3mm: 4.3 mm
Total snowfall: 0.0 mm

Graphs and Charts

Mean Temperature

Variable
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Intraday conditions

Per-minute readings across the month (downsampled for display). Choose a variable below.

Wind rose

Daily breakdown

Day numbers link to the detailed daily report. Wide tables can be scrolled horizontally.

Temperature, rain, sunshine & wind

DayTminTmaxTmeanRainHr max10m rainRateSunWmeanWmaxGustWdirW10m
13.17.45.20.0---74.412.019.4337°8.9
22.36.75.00.0---0.41.07.39.1289°6.4
33.57.15.315.43.10.91803.59.914.8215°7.7
42.95.24.13.80.90.51806.514.022.8263°12.2
53.27.55.00.0---33.19.014.8121°7.4
60.64.92.91.30.90.52.610.55.59.145°3.2
7-0.32.21.10.80.40.30.600.25.58.00°3.5
8-0.54.22.22.31.30.41821.57.011.4307°5.5
94.26.35.31.71.10.74.403.210.117.1276°6.2
105.47.66.60.20.20.2-04.710.516.0151°7.6
116.710.88.87.63.30.71802.19.216.0215°8.1
123.89.17.40.0---04.913.019.4308°11.5
132.411.47.23.61.30.71805.316.026.2199°13.0
148.611.810.29.34.22.22437.814.924.0216°12.5
158.210.99.20.0---65.711.419.4211°9.5
168.210.79.22.51.40.51826.114.725.1197°10.8
176.910.79.10.20.20.2-63.913.119.4229°10.9
1810.611.911.20.50.40.20.7010.319.629.7206°15.0
198.012.010.22.80.70.51828.018.929.7209°13.9
206.69.88.01.51.30.9747.013.919.4230°10.6
216.913.310.96.11.60.51807.514.421.7211°11.6
229.313.310.91.00.50.30.30.12.717.728.5261°13.0
236.512.611.03.30.90.9180.23.821.433.1244°16.8
242.26.54.11.50.90.30.947.918.429.7351°15.1
250.13.51.70.0---44.411.724.0322°10.4
260.910.36.30.0---09.724.737.6234°19.4
270.69.86.011.42.70.71847.727.841.1249°22.5
28-0.52.61.40.0---0.22.49.012.5352°7.3
290.63.72.10.0---03.59.612.5320°6.6
30-0.94.71.50.0---31.78.011.4308°6.1
31-1.80.8-0.30.0---0.22.18.311.4318°6.1

Humidity, dew point & pressure

DayHminHmaxHmeanDminDmaxDmeanPminPmaxPmean
17989821.14.22.4102310271026
28193880.55.33.1100910261018
38995922.56.04.09761009990
47895880.93.52.2973985978
57589841.04.02.49851000993
6869590-0.33.11.4100010041002
7949795-1.01.60.599810021000
8929794-1.33.51.4100110071004
98395892.54.33.7100210091006
108593883.26.54.899310031000
119096945.79.57.9986993988
127995892.37.35.799110081000
138995931.110.66.199810091003
148492907.210.38.699710031000
158194896.78.17.4100310101007
168092886.58.27.2100610101008
178293895.88.77.3101010181015
188693908.510.39.6100610151012
197992866.09.48.0100310101006
207990864.87.05.7101010171014
218996935.212.29.8100410161007
228697917.912.09.5100510151012
238597924.811.69.8100210111006
24799285-0.25.01.8100810301022
25758682-2.11.0-1.0102910331031
26829288-1.08.04.499310301016
27759186-0.88.03.8973993978
28909693-1.51.60.4972983976
29869290-0.82.30.69831000991
30829490-1.92.20.1100010041003
31899492-2.9-0.3-1.4100410101006

Other measures

DayNightDaymaxT+10mT+1hH+1hT-10mT-1hH-1hFminFmaxFmeanAF hrsAQminAQmaxAQmean
14.07.40.41.540.31.13-0.56.32.80---
22.36.70.31.060.31.040.86.74.40---
34.47.10.20.520.31.030.57.13.40---
42.95.20.20.720.30.66-2.64.20.70---
53.97.50.31.240.30.96-0.47.43.10---
62.24.90.31.040.41.72-2.44.92.40---
7-0.32.20.31.010.20.41-3.62.21.04---
8-0.53.70.41.340.31.13-2.93.91.21---
93.76.30.20.520.20.430.06.33.30---
105.47.30.40.930.20.332.07.64.20---
117.310.80.41.040.41.424.111.88.30---
127.59.10.20.540.31.251.48.15.30---
132.411.30.41.930.30.84-0.213.06.40---
149.311.80.31.050.51.755.613.29.80---
158.210.90.41.240.20.764.911.37.70---
168.210.70.30.960.20.945.111.07.60---
176.910.70.31.040.20.843.111.48.30---
1810.411.90.20.430.20.4311.213.212.30---
1910.012.00.30.690.51.168.012.810.60---
206.69.80.31.040.40.942.99.65.80---
216.813.30.31.020.10.324.715.711.20---
2210.110.90.31.030.41.547.215.511.90---
239.812.60.20.550.62.070.814.611.60---
243.24.70.30.750.41.15-3.94.10.00---
250.13.50.31.030.20.84-5.73.0-1.40---
260.910.30.41.430.30.54-3.910.73.50---
276.56.60.20.540.51.57-2.46.33.20---
28-0.52.50.41.130.31.32-3.72.2-0.41---
290.63.70.20.820.20.82-4.03.7-0.40---
300.34.70.31.350.41.74-3.94.70.14---
31-1.80.80.30.820.31.03-7.10.8-2.113---

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