December 2016 weather data

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December 2016 was a little warmer and much but significantly drier than usual. The average maximum temperature of 8.7°C was 0.6°C above the Ross average for December of 8.1°C. The maximum temperature exceeded 10°C on 8 days and there were 4 days of air frost too.

There were 15 days when no significant rain was recorded (<0.2 mm); the total rainfall was 54.8 mm, 70% of the Ross-on-Wye* average for December of 78.1 mm.

* Ross-on-Wye is the nearest Met Office station for which long term averages (1971-2000) are available.

Day by day data for December are given below:-


                     MONTHLY CLIMATOLOGICAL SUMMARY for DEC. 2016

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 2.6 8.5 12:30 -0.7 5:30 15.8 0.0 0.0 0.0 3.2 13:00 E
2 4.9 6.2 12:00 2.2 0:30 13.4 0.0 0.0 0.0 6.4 20:00 ESE
3 4.0 5.7 14:30 1.8 21:00 14.3 0.0 0.8 0.5 12.9 23:30 ENE
4 1.4 5.8 13:30 -1.4 21:00 16.9 0.0 0.2 0.2 12.9 13:30 ENE
5 1.6 5.0 00:00 -2.0 3:00 16.8 0.0 0.0 0.0 4.8 00:00 SE
6 7.1 9.2 19:30 4.4 1:00 11.3 0.0 0.6 0.2 8.0 15:00 SE
7 10.6 12.4 13:30 9.2 0:30 7.7 0.0 0.2 2.3 19.3 21:00 ESE
8 11.7 12.8 14:00 10.9 16:30 6.7 0.0 2.2 1.6 27.4 8:30 SE
9 11.6 13.4 13:30 10.6 21:30 6.7 0.0 2.4 1.9 17.7 12:30 SE
10 8.8 10.8 0:30 4.6 00:00 9.6 0.0 19.0 0.0 8.0 18:00 ESE
11 6.0 9.2 12:30 3.2 22:30 12.3 0.0 0.4 0.0 12.9 11:30 W
12 6.1 9.8 15:30 2.3 2:30 12.3 0.0 4.4 0.3 14.5 9:30 SE
13 9.4 11.5 13:30 4.3 3:00 8.9 0.0 3.0 1.1 17.7 19:30 SE
14 8.8 10.9 0:30 7.6 22:30 9.5 0.0 0.2 1.3 14.5 1:00 SE
15 8.8 9.8 12:30 7.8 19:00 9.6 0.0 9.4 1.6 16.1 12:00 SE
16 7.4 9.2 12:30 4.8 19:30 10.9 0.0 0.0 0.3 11.3 3:00 SE
17 7.3 8.2 15:00 5.8 5:00 11.0 0.0 0.2 0.0 3.2 2:30 SE
18 4.2 6.9 0:30 2.0 9:00 14.1 0.0 0.2 0.0 3.2 6:00 SE
19 5.3 6.4 14:30 3.0 0:30 13.1 0.0 0.6 0.0 3.2 19:30 ENE
20 4.3 5.8 00:00 3.2 19:30 14.1 0.0 1.4 0.6 16.1 12:00 SE
21 6.2 8.8 14:30 1.9 23:30 12.1 0.0 0.8 0.6 16.1 1:30 W
22 5.3 8.5 12:30 2.4 3:30 13.1 0.0 0.6 0.0 11.3 12:00 W
23 7.4 10.2 17:00 5.2 00:00 10.9 0.0 6.0 3.1 27.4 15:30 SE
24 7.4 9.2 13:30 3.9 2:30 10.9 0.0 0.0 1.4 20.9 14:00 W
25 10.4 12.2 13:00 7.1 00:00 7.9 0.0 1.0 2.4 27.4 3:30 W
26 5.1 8.6 13:00 1.1 22:00 13.3 0.0 0.0 0.0 14.5 3:30 W
27 2.1 5.7 13:30 -0.2 8:00 16.2 0.0 0.2 0.0 8.0 2:30 SE
28 2.6 5.4 13:30 0.3 6:30 15.7 0.0 0.2 0.2 9.7 0:30 SE
29 4.1 8.4 13:00 1.1 21:00 14.3 0.0 0.4 0.0 6.4 1:30 ESE
30 5.3 7.8 11:30 1.8 2:00 13.1 0.0 0.2 0.0 8.0 18:30 W
31 7.0 7.4 12:00 6.5 1:30 11.3 0.0 0.2 0.2 12.9 00:00 W
-------------------------------------------------------------------------------------
6.3 13.4 9 -2.0 5 373.8 0.0 54.8 0.6 27.4 8 SE

Max >= 32.0: 0
Max <= 0.0: 0
Min <= 0.0: 4
Min <= -18.0: 0
Max Rain: 19.00 ON 10/12/16
Days of Rain: 25 (> .2 mm) 7 (> 2 mm) 0 (> 20 mm)
Heat Base: 18.3 Cool Base: 18.3 Method: Integration