(Jan 2018: updated to compare with Usk and not Ross-on-Wye)
July 2017 was a little cooler than average and was much wetter than average too. The total rainfall of 106.4 mm was 70% above the Usk* average for July of 62.6 mm. Despite this, there were 19 days on which no measurable rain fell.
The average maximum temperature of 21.5 °C was 0.8 °C below the Usk average for July of 22.3 °C; there were seven days when the temperature exceeded 25 °C.
* Usk is the nearest Met Office station for which long term averages (1981-2010) are available.
Day by day data for July are given below:-
MONTHLY CLIMATOLOGICAL SUMMARY for JUL. 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
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1 16.2 22.4 14:30 13.0 5:30 2.7 0.6 0.0 0.6 12.9 16:30 WNW
2 17.3 23.0 15:30 10.8 5:30 2.2 1.1 0.0 0.3 9.7 16:00 ESE
3 17.0 22.9 15:30 12.6 1:00 2.2 0.9 0.0 1.0 12.9 7:30 W
4 17.0 21.6 17:00 12.8 00:00 1.8 0.6 0.0 0.5 11.3 16:30 W
5 19.3 27.3 17:00 10.7 5:00 1.9 2.9 0.0 0.3 9.7 12:00 ENE
6 21.9 29.2 15:00 14.4 5:30 0.7 4.3 0.0 0.0 6.4 10:30 W
7 19.2 26.5 12:00 12.6 6:00 1.1 2.1 0.0 0.2 8.0 14:00 W
8 18.8 25.1 13:30 12.5 5:30 1.2 1.7 0.0 0.0 8.0 16:00 W
9 19.9 25.5 16:00 14.8 6:30 0.8 2.4 0.0 0.5 11.3 15:30 W
10 16.8 23.4 14:30 12.6 4:30 2.2 0.7 0.0 0.0 9.7 19:30 W
11 14.2 16.1 11:00 12.2 1:30 4.1 0.0 16.4 0.6 11.3 8:30 W
12 15.4 21.2 14:30 11.3 6:30 3.3 0.4 2.0 0.2 9.7 11:00 ESE
13 16.2 20.9 14:00 12.1 6:00 2.4 0.3 0.0 1.1 12.9 11:00 W
14 16.3 21.4 14:00 13.5 6:30 2.4 0.3 0.0 0.3 9.7 10:00 ESE
15 16.4 20.9 15:30 12.9 1:30 2.1 0.3 0.0 1.8 20.9 14:30 W
16 19.0 23.1 16:30 14.0 00:00 0.8 1.5 0.0 0.8 12.9 9:30 W
17 18.2 24.8 15:30 9.1 5:30 2.2 2.1 0.0 0.2 8.0 11:00 E
18 20.2 25.3 14:30 14.2 4:30 0.9 2.7 0.0 1.8 17.7 16:30 ENE
19 17.4 20.1 9:30 15.4 6:00 1.0 0.2 4.2 0.8 14.5 17:30 W
20 15.2 18.6 14:30 12.2 9:00 3.1 0.0 3.0 1.0 14.5 16:30 W
21 13.6 15.9 14:00 11.4 00:00 4.8 0.0 37.0 2.7 20.9 13:30 SE
22 12.9 17.0 13:00 10.6 00:00 5.4 0.0 4.6 0.6 14.5 12:30 SE
23 13.7 18.5 17:30 9.7 6:30 4.7 0.0 4.6 0.0 4.8 4:00 W
24 18.4 23.3 16:00 13.7 0:30 1.4 1.5 0.0 0.6 11.3 13:30 ESE
25 18.9 25.2 14:00 12.2 6:00 1.8 2.4 0.0 0.5 12.9 18:00 W
26 15.7 19.5 16:00 12.6 3:30 2.7 0.1 9.0 1.6 19.3 15:00 W
27 14.6 17.6 16:00 11.8 6:30 3.8 0.0 0.2 1.8 17.7 11:30 W
28 14.8 17.0 9:00 11.3 4:30 3.5 0.0 9.0 2.6 24.1 19:30 W
29 14.3 17.4 12:30 12.7 2:00 4.0 0.0 10.0 0.6 12.9 12:00 W
30 14.2 18.3 14:00 11.0 7:00 4.2 0.0 5.4 1.3 17.7 14:30 W
31 14.6 18.3 15:30 11.0 6:00 3.8 0.0 1.0 1.3 17.7 13:30 W
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16.7 29.2 6 9.1 17 79.2 28.7 106.4 0.8 24.1 28 W
Max >= 32.0: 0
Max <= 0.0: 0
Min <= 0.0: 0
Min <= -18.0: 0
Max Rain: 37.01 ON 21/07/17
Days of Rain: 13 (> .2 mm) 11 (> 2 mm) 1 (> 20 mm)
Heat Base: 18.3 Cool Base: 18.3 Method: Integration