August 2020 weather data

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August 2020 was a little cooler than usual and well above average in terms of rainfall. The total rainfall of 148.6 mm was double the Usk* average for August of 73.9 mm and there were 15 days on which no significant rain (>0.2 mm) fell. On the other hand, rainfall exceeded one inch (25.4 mm) on two days, the 25th (28.6 mm) and the 27th (27.4 mm) and the second half of the month was much wetter than the first half.

The average maximum temperature of 21.4 °C was 0.7 °C below the Usk average for August of 22.1 °C. As for rainfall, the first half of the month was much warmer than the second and a 6-day heatwave starting on the 7th culminated in a record Penallt high of 33.2 °C on the 12th.

The second half of August was about 5 °C cooler than the first half with the last five days being particularly autumnal in feel, a maximum of under 15 °C on the 27th being the lowest point.

* Usk is the nearest Met Office station for which long term averages (1981-2010) are available.

Day by day data for August are 

                   
                   MONTHLY CLIMATOLOGICAL SUMMARY for AUG. 2020

NAME: Penallt210   CITY: Penallt   STATE:  
ELEV:   210 m  LAT:  51° 48' 00" N  LONG:   2° 42' 00" W

                   TEMPERATURE (°C), RAIN  (mm), WIND SPEED (km/hr)

                                      HEAT  COOL        AVG
    MEAN                              DEG   DEG         WIND                 DOM
DAY TEMP  HIGH   TIME   LOW    TIME   DAYS  DAYS  RAIN  SPEED HIGH   TIME    DIR
------------------------------------------------------------------------------------
 1  17.1  22.6   12:30  11.8   00:00   1.9   0.7   0.0   1.0  14.5   11:00     W
 2  16.1  22.2   15:30  10.5    5:30   2.9   0.8   0.0   0.8  16.1   15:00     W
 3  14.8  20.2   17:30   8.6    5:30   3.7   0.2   0.0   0.6  14.5   15:00   WSW
 4  14.3  19.7   17:00   7.7    6:00   4.0   0.1   0.0   2.1  24.1   14:00    SE
 5  18.1  21.6   14:00  16.2    3:00   0.8   0.6   2.0   3.2  24.1   14:30    SE
 6  18.4  22.4   18:00  15.6    4:00   1.0   1.1   0.6   1.0  12.9   16:00   SSE
 7  21.5  28.4   16:30  14.2    6:30   0.7   3.9   0.0   0.5   9.7   14:30    SE
 8  21.9  28.7   17:30  16.8    6:00   0.4   4.0   0.0   3.1  20.9   23:00    NE
 9  17.8  23.6   18:00  14.8    7:00   1.3   0.8   0.0   2.7  17.7    3:30    NE
10  20.6  26.6   16:30  16.2    7:30   0.5   2.8   0.0   1.9  12.9    6:00    NE
11  23.6  31.4   16:30  17.4    6:30   0.1   5.4   0.0   0.6   9.7   12:30    NE
12  25.1  33.2   17:30  19.7    6:00   0.0   6.7   3.4   1.1  20.9   19:30    NE
13  19.1  21.9   12:30  17.9   23:30   0.0   0.8   3.2   2.1  16.1   13:00    NE
14  17.2  19.4   18:00  16.0   10:00   1.2   0.1   8.0   1.3  12.9    5:30    NE
15  16.2  17.4    0:30  14.6   10:00   2.1   0.0   0.6   1.9  12.9    8:00    NE
16  17.1  20.9   17:00  15.0   22:30   1.6   0.4  21.0   0.8  11.3    7:00    NE
17  17.2  22.7   15:30  13.3    7:00   1.7   0.7   0.8   0.6  14.5   17:00    SE
18  18.2  23.2   16:30  14.6    2:00   1.3   1.1   0.6   1.3  19.3    4:00    SE
19  17.6  19.6   16:30  15.4    2:30   1.0   0.2  34.0   3.7  27.4   00:00    SE
20  17.2  21.2   14:30  13.4    6:30   1.5   0.4   0.2   4.0  24.1    0:30    SE
21  17.0  20.2   11:30  14.9   23:30   1.4   0.1   2.2   5.3  33.8    5:00    SE
22  15.4  18.2   13:00  14.0    5:30   2.9   0.0   5.2   2.4  17.7    1:00    SE
23  15.2  18.7   12:30  12.6    3:30   3.1   0.0   0.4   0.6  11.3   14:00    SE
24  16.1  21.6   15:30  11.7    2:00   2.7   0.4   0.0   0.5  11.3   12:00    SE
25  15.7  17.3   11:00  14.3    6:30   2.6   0.0  28.6   5.0  33.8   16:00    SE
26  15.9  20.9   14:30  10.2   00:00   2.7   0.3   0.0   1.6  19.3    1:00   WSW
27  12.6  14.6    9:00  10.3    0:30   5.7   0.0  27.4   0.6  14.5   16:30    SE
28  12.8  15.8   14:00   9.9   00:00   5.5   0.0  10.4   1.9  22.5   18:30    NE
29  12.0  16.1   14:30   8.5    3:00   6.3   0.0   0.0   3.2  20.9    6:30    NE
30  11.4  16.3   15:30   7.4   00:00   6.8   0.0   0.0   1.9  17.7   12:00    NE
31  11.8  17.6   17:00   5.3    6:30   6.5   0.0   0.0   0.5   9.7   11:30    SE
-------------------------------------------------------------------------------------
    16.9  33.2    12     5.3    31    74.0  31.6 148.7   1.9  33.8    21      SE

Max >=  32.0:  1
Max <=   0.0:  0
Min <=   0.0:  0
Min <= -18.0:  0
Max Rain: 34.01 ON 19/08/20
Days of Rain: 17 (> .2 mm) 11 (> 2 mm) 4 (> 20 mm)
Heat Base:  18.3  Cool Base:  18.3  Method: Integration