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Monthly Report for December 2018

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Weather Summary
Measure Mean / Sum (anomaly) Min Max Mean Time
Minimum Temperature 5.3 °C (+1.7) -0.4 °C 11.4 °C 11:02
Maximum Temperature 9.9 °C (+1.7) 3.8 °C 14.8 °C 13:36
Mean Temperature 7.8 °C (+1.7) 2.7 °C 13.4 °C
Minimum Humidity 79% 63% 89% 14:58
Maximum Humidity 93% 86% 98% 10:09
Mean Humidity 87% 76% 94%
Minimum Pressure 1013 hPa 995 hPa 1035 hPa 11:30
Maximum Pressure 1022 hPa 999 hPa 1038 hPa 12:32
Mean Pressure 1017 hPa 998 hPa 1036 hPa
Mean Wind Speed 4.9 mph (-0.2) 0.3 mph 10.6 mph
Maximum Wind Speed 13.4 mph 4.1 mph 23.3 mph 13:10
Maximum Gust 21.3 mph 5.8 mph 39.2 mph 12:26
Mean Wind Direction 213° [SSW] 48° [NE] 287° [WNW]
Rainfall 61.5 mm (108%) 0.0 mm 11.2 mm
Maximum Hourly Rain 1.6 mm 0.2 mm 4.6 mm 10:48
Maximum 10-min Rain 0.6 mm 0.2 mm 2.2 mm 10:21
Maximum Rain Rate 8 mm/h 0.9 mm/h 26 mm/h 10:13
Minimum Dew Point 3.3 °C -3.5 °C 10.3 °C 12:04
Maximum Dew Point 8.0 °C 0.0 °C 12.3 °C 12:37
Mean Dew Point 5.8 °C -1.1 °C 11.7 °C
Night Minimum (21-09) 6.0 °C -0.4 °C 12.1 °C 09:10
Day Maximum (09-21) 9.8 °C 3.8 °C 14.8 °C 14:43
Max 10m Temp Rise 0.3 °C 0.2 °C 0.9 °C 09:42
Max 1hr Temp Rise 1.1 °C 0.4 °C 2.6 °C 10:55
Max 1hr Hum Rise 5% 1% 10% 13:22
Max 10m Temp Fall 0.4 °C 0.2 °C 1.4 °C 11:18
Max 1hr Temp Fall 1.1 °C 0.2 °C 4.2 °C 12:09
Max 1hr Hum Fall 6% 2% 12% 12:07
Max 10m Wind Speed 10.0 mph 3.3 mph 18.8 mph 13:12
Minimum Feels-like 2.5 °C -4.9 °C 12.8 °C 11:56
Maximum Feels-like 10.4 °C 2.6 °C 17.0 °C 13:27
Mean Feels-like 6.7 °C -1.3 °C 15.6 °C
Air-frost Hrs 1 hrs 0 hrs 1 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 4.7 °C (+0.1) 1.2 °C 8.7 °C
Humidity Range 15% 8% 29%
Pressure Range 9 hPa 2 hPa 24 hPa
Sun Hours 56 (86%) [26%]
Wet Hours 63 (102%) [8.5%]

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 16 Min < -5.0 °C 0 > 0 hrs 20 Falling Snow 0
> 0.1 mm 16 Min < 0.0 °C 1 > 1 hrs 16 Lying Snow 0
> 0.3 mm 13 Mean < 0.0 °C 0 > 3 hrs 7 Hail 0
> 1.0 mm 12 Mean > 20.0 °C 0 > 5 hrs 4 Thunder 0
> 5.0 mm 7 Max > 25.0 °C 0 > 10 hrs 0 Dense Fog 0
> 10.0 mm 1 Max > 30.0 °C 0 > 25% max poss. 12 Gusts > 30mph 5
> 20.0 mm 0 Ice Days 0 > 95% max poss. 1 Total Events 5

Misc.

Mean rainfall for days with >0.3mm: 4.7 mm
Total snowfall: 0.0 mm

Graphs and Charts

Mean Temperature

Variable
Measure

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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
17.012.610.36.42.60.9706.214.526.5207°10.8
211.414.813.41.31.10.42.60.47.516.627.6227°11.8
34.913.610.60.90.40.44.416.416.427.6260°12.1
42.17.65.31.30.90.20.941.57.812.7236°6.5
55.912.49.85.31.80.43.304.511.418.4178°8.7
610.612.911.90.20.20.2-06.916.925.3229°12.4
76.613.110.06.41.80.71329.419.935.7240°15.0
87.111.69.40.20.20.2-310.620.734.6248°15.3
96.110.18.91.11.10.91327.619.934.6283°15.2
105.88.77.20.0---0.23.710.116.1274°8.1
111.18.34.60.0---60.98.111.5122°5.8
123.67.36.00.0---15.814.119.6122°10.8
131.44.92.80.0---75.815.723.096°11.8
141.33.82.70.0---0.22.611.517.3134°9.1
151.37.13.211.23.51.1708.618.127.6151°14.3
164.08.96.86.24.62.22633.810.518.4212°7.6
173.99.97.10.0---65.212.919.6226°8.4
187.210.49.54.21.50.41.908.619.833.4191°13.7
196.78.97.82.00.90.44.425.512.619.6205°10.0
206.19.98.10.0---36.015.120.7220°11.0
219.112.511.19.54.41.1130.39.223.339.2236°18.8
227.711.19.60.0---65.817.926.5249°12.9
236.112.78.85.11.10.42.204.314.323.0270°10.9
240.97.04.40.0---40.85.910.448°4.3
25-0.47.94.40.0---00.65.48.1211°3.6
264.39.37.90.20.20.2-01.85.810.4220°4.5
272.98.34.80.0---20.34.15.8242°3.3
285.99.57.90.0---21.87.411.5260°5.7
296.812.39.80.0---05.016.124.2253°11.7
307.010.19.00.0---03.512.416.1259°8.9
318.69.89.20.0---03.29.415.0287°7.0

Humidity, dew point & pressure

DayHminHmaxHmeanDminDmaxDmeanPminPmaxPmean
18394894.611.78.799710121004
281969010.312.311.7995999998
37689842.811.28.199710131002
48095881.14.93.5101310241021
58998944.511.58.8101010221014
68593909.211.610.4101110161014
77594863.412.07.899910111004
87589814.69.66.399810061002
97390804.07.35.799910231010
108089854.05.84.9102310291027
117997900.25.43.1102310281025
12639179-0.95.62.5101910241022
13689081-1.31.0-0.2101710221019
14658676-3.50.0-1.1102210251023
15659482-3.56.20.3100210231013
168495903.07.35.3100410081006
178394903.08.35.6100810201017
187393855.48.67.1100210181009
198194884.87.46.0100410061005
208092854.67.95.8100310081006
217295856.611.48.699510071002
227590856.28.77.1100610221016
238795924.911.37.7101410251018
248295920.05.13.1102510361032
25889893-1.16.43.4103310361035
268695913.07.66.5102810331031
278697942.26.33.8102610281027
287895895.27.46.2102710341031
298594895.510.18.0103010351033
308797935.79.07.9103510361036
318090845.37.76.6103510381036

Other measures

DayNightDaymaxT+10mT+1hH+1hT-10mT-1hH-1hFminFmaxFmeanAF hrsAQminAQmaxAQmean
17.012.60.31.050.20.533.514.710.40---
211.314.80.30.860.30.7612.817.015.60---
311.213.60.30.860.72.273.215.310.90---
42.17.60.41.550.41.46-0.97.34.50---
55.912.40.92.620.20.342.014.310.20---
610.612.80.20.530.30.9211.515.013.30---
712.112.10.20.570.71.7121.415.39.10---
86.611.60.41.270.31.162.412.67.30---
98.910.10.20.780.41.192.810.16.30---
105.88.70.20.920.20.532.08.75.40---
111.18.30.52.160.41.590.38.34.30---
124.47.10.20.440.30.98-1.77.33.10---
131.64.90.30.960.30.77-3.42.6-0.80---
141.33.80.31.360.20.58-2.83.81.10---
151.36.40.31.490.20.62-4.96.1-1.30---
164.08.90.41.630.31.051.58.85.00---
173.99.10.41.740.31.140.18.94.70---
188.910.10.20.5100.31.253.811.08.10---
196.78.90.30.760.20.553.28.25.40---
206.19.90.31.380.20.642.39.45.60---
218.512.30.31.060.31.2117.014.411.70---
228.611.10.20.950.20.955.211.78.50---
237.312.70.31.051.44.252.914.68.20---
242.97.00.41.450.52.070.97.04.00---
25-0.47.80.41.520.30.97-0.47.94.11---
267.39.30.20.550.41.524.09.57.20---
272.98.30.41.540.52.061.88.34.70---
284.99.50.20.630.20.285.29.47.20---
298.812.30.40.740.51.934.313.69.20---
306.810.10.20.740.20.323.510.77.70---
318.69.60.20.410.20.345.510.17.90---

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