August 2017 weather data

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(Jan 2018: updated to compare with Usk and not Ross-on-Wye)

August 2017 was much cooler than usual but closer to average in terms of rainfall. The total rainfall of 70.0 mm was just under the Usk* average for August of 73.9 mm and there were 15 days on which no significant rain (>0.2 mm) fell, including a spell of seven consecutive days (22-18 incl) on which no rain fell at all.

The average maximum temperature of 19.9 °C was 2.2 °C below the Usk average for August of 22.1 °C, the warmest day being the 28th (24.7 °C). The temperature was 20 °C or more on 15 days.

* 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. 2017

NAME: Penallt 210   CITY:    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  15.8  20.4   17:00  12.3    2:30   2.8   0.2   0.6   1.3  17.7   13:00     W
 2  15.3  17.8   19:00  13.3    1:30   3.0   0.0  18.2   2.6  24.1   11:00   ESE
 3  15.0  17.8   13:00  13.4   22:30   3.3   0.0   3.4   3.5  25.7   12:00     W
 4  15.6  19.4   16:00  13.1    5:00   2.8   0.1   0.2   0.8  11.3    1:00     W
 5  14.7  20.7   12:00  11.1   00:00   3.8   0.1   0.4   0.2   9.7   15:30   WNW
 6  14.3  17.9   11:30   9.9    6:00   4.1   0.0   0.2   1.8  20.9   23:30     W
 7  15.6  18.9   18:00  13.2    7:00   2.7   0.0   0.6   0.5  14.5    1:30   WNW
 8  13.4  17.8   13:30  11.2    6:00   4.9   0.0  12.4   0.0   4.8   10:30   ESE
 9  13.4  19.0   16:00  10.9    6:00   5.0   0.0   7.0   0.3   9.7   17:00   ESE
10  15.3  21.4   17:00   9.4    6:30   3.6   0.6   0.0   0.0   4.8    0:30   ESE
11  13.7  17.5   10:00   8.0    5:00   4.7   0.0   0.2   1.1  19.3   19:00     W
12  15.9  20.6   16:00  11.0   00:00   2.6   0.2   0.0   0.0   8.0   10:00     W
13  14.7  21.4   15:30   8.6    5:00   3.9   0.3   0.0   0.5   8.0   14:30   ESE
14  14.2  18.3   15:30  10.8    2:00   4.2   0.0   3.4   1.0  14.5   10:30   ESE
15  15.9  21.7   14:30  11.6   22:30   2.8   0.4   0.2   0.3  14.5   16:00     W
16  14.6  19.8   14:00   9.2    4:00   3.9   0.1   1.6   1.9  20.9   15:00   ESE
17  17.2  20.7   17:30  13.4    0:30   1.6   0.5   2.6   2.3  22.5   10:30     W
18  14.2  18.2   12:30  11.6    7:00   4.2   0.0   4.6   1.8  17.7   17:30     W
19  14.4  18.8   13:30  10.6    7:00   3.9   0.0   0.0   1.0  16.1   13:00     W
20  13.3  17.1   15:00   8.5    6:30   5.0   0.0   9.0   1.0  14.5   17:30    SE
21  16.2  22.0   16:30  13.2    1:00   2.5   0.4   1.0   0.2  11.3   18:30   ENE
22  18.3  21.4   16:00  14.8    3:30   0.9   0.8   0.0   1.1  12.9   16:00    SE
23  16.8  20.4   15:30  12.4   00:00   1.8   0.2   0.0   0.6  16.1   16:30     W
24  15.0  20.0   14:30  10.9    3:00   3.4   0.1   0.0   0.5  17.7   13:00     W
25  15.5  21.6   15:30   9.3    6:30   3.4   0.6   0.0   0.2   8.0   15:00    SE
26  17.3  22.6   15:00  13.1    2:30   2.1   1.0   0.0   0.0   6.4   17:30     E
27  18.2  24.4   16:30  11.6    6:00   1.9   1.8   0.0   0.3   8.0   14:00    SE
28  18.8  24.7   15:00  13.4    6:30   1.4   1.9   0.0   0.6  11.3   18:00     W
29  14.9  19.4   12:00  11.6   00:00   3.5   0.1   1.4   0.2   8.0    9:30   ESE
30  12.5  17.3   15:30  10.1   00:00   5.8   0.0   2.4   0.2   8.0   15:00    SE
31  13.5  19.1   15:00   8.1    4:00   4.8   0.0   0.6   0.0   6.4   14:30   WNW
-------------------------------------------------------------------------------------
    15.3  24.7    28     8.0    11   104.3   9.3  70.0   0.8  25.7     3       W

Max >=  32.0:  0
Max <=   0.0:  0
Min <=   0.0:  0
Min <= -18.0:  0
Max Rain: 18.21 ON 02/08/17
Days of Rain: 20 (> .2 mm) 9 (> 2 mm) 0 (> 20 mm)
Heat Base:  18.3  Cool Base:  18.3  Method: Integration