April 2017 weather data

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

April 2017 was a little warmer and was much drier than usual. Overall, the average maximum temperature of 14.6°C was 0.6°C above the Usk average for April of 14.0°C with a peak of 21.1°C  on the 9th, the minimum temperature being 0.0°C on the 25th.

There were 25 days when no rain (or a trace) fell, the wettest days being the first and last days when 5.2 mm fell each time. It was much drier overall than usual with the total rainfall of 16.2 mm being only about a quarter of the Usk* average for April of 67.5 mm.

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

Day by day data for April are given below:-

MONTHLY CLIMATOLOGICAL SUMMARY for APR. 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 9.8 14.2 17:00 6.6 6:30 8.6 0.0 5.2 1.1 17.7 5:00 SE
2 9.5 15.4 17:00 4.7 7:00 8.8 0.0 0.0 0.3 9.7 11:00 ENE
3 9.3 14.2 15:00 4.0 5:00 9.0 0.0 0.0 1.6 17.7 15:30 SE
4 10.1 13.5 17:00 4.9 00:00 8.3 0.0 0.0 1.0 16.1 21:00 ENE
5 8.9 15.1 16:30 3.2 5:30 9.4 0.0 0.0 0.5 11.3 13:30 ENE
6 9.6 15.7 15:00 3.8 7:00 8.8 0.0 0.0 0.2 4.8 9:00 ENE
7 9.6 16.7 15:30 3.2 7:00 8.8 0.0 0.0 0.5 8.0 13:30 ENE
8 12.4 19.4 15:00 4.6 7:30 6.0 0.1 0.0 0.8 12.9 16:00 ESE
9 13.3 21.1 14:00 7.7 3:00 5.4 0.4 0.0 1.1 16.1 16:00 ESE
10 10.4 15.0 16:00 6.5 00:00 7.9 0.0 0.0 0.5 11.3 4:30 ENE
11 9.8 16.2 15:30 4.3 6:00 8.5 0.0 0.0 0.3 8.0 17:30 W
12 10.9 16.8 14:00 6.1 0:30 7.4 0.0 0.0 0.6 12.9 11:30 W
13 8.3 12.2 16:00 4.4 00:00 10.1 0.0 0.0 0.0 6.4 3:30 WNW
14 9.2 14.1 11:30 4.2 0:30 9.1 0.0 0.0 0.8 16.1 18:00 W
15 9.1 13.9 13:00 6.1 23:30 9.2 0.0 0.2 0.5 11.3 17:30 W
16 9.7 14.8 13:30 4.4 6:30 8.7 0.0 1.0 0.5 16.1 15:30 W
17 9.3 12.7 12:00 5.1 00:00 9.0 0.0 2.8 0.2 8.0 13:00 ENE
18 7.7 12.4 15:30 3.7 5:30 10.7 0.0 0.2 0.8 11.3 9:00 ENE
19 8.8 14.2 15:00 2.4 6:30 9.6 0.0 0.0 0.3 11.3 10:30 ENE
20 10.6 14.7 11:30 7.2 00:00 7.8 0.0 0.2 0.0 4.8 5:00 W
21 10.6 14.8 13:00 5.8 6:30 7.8 0.0 0.0 0.0 6.4 11:30 SE
22 11.7 16.8 15:30 7.2 00:00 6.6 0.0 0.0 0.6 12.9 14:00 ENE
23 10.1 17.0 17:00 3.4 4:30 8.3 0.0 0.0 0.3 9.7 14:30 ENE
24 8.1 12.9 16:00 2.2 00:00 10.3 0.0 1.0 0.2 9.7 17:30 E
25 4.7 10.5 14:00 0.0 2:00 13.6 0.0 0.2 0.8 14.5 16:30 ESE
26 5.7 11.2 14:00 0.9 4:00 12.7 0.0 0.0 0.8 14.5 18:00 ENE
27 6.3 11.6 10:30 0.1 5:30 12.1 0.0 0.2 0.2 11.3 17:00 W
28 8.8 14.6 14:30 3.5 00:00 9.5 0.0 0.0 0.2 8.0 17:30 W
29 9.1 12.1 18:00 3.9 0:30 9.3 0.0 0.0 1.9 19.3 16:00 SE
30 10.5 14.2 12:30 8.6 23:00 7.8 0.0 5.2 3.9 27.4 12:00 ENE
-------------------------------------------------------------------------------------
9.4 21.1 9 0.0 25 268.9 0.6 16.2 0.7 27.4 30 ENE

Max >= 32.0: 0
Max <= 0.0: 0
Min <= 0.0: 1
Min <= -18.0: 0
Max Rain: 5.21 ON 01/04/17
Days of Rain: 10 (> .2 mm) 3 (> 2 mm) 0 (> 20 mm)
Heat Base: 18.3 Cool Base: 18.3 Method: Integration