May 2015 weather data

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May 2015 saw 14 days on which no rain fell. But a very wet start saw 80.2 mm fall between the 2nd and the 6th and the total rainfall rose to 129.4 mm, 2.63 times the Ross-on-Wye* average for May of 49.2 mm. Maximum temperatures exceeded 20°C on four consecutive days (21st to 24th). May was cool overall however, and  the average maximum temperature of 15.8°C was 0.8°C below the Ross average for May of 16.6°C.

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

Day by day data for May are given below:-

                   MONTHLY CLIMATOLOGICAL SUMMARY for MAY. 2015

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   7.8  11.4   14:00   4.1    6:00  10.5   0.0   0.0   2.4  19.3   11:30   ENE
 2   7.5  10.7   19:00   4.3    8:00  10.8   0.0   2.6   3.2  19.3   21:00   ENE
 3  11.9  16.6   14:30   8.3    1:00   6.4   0.0  34.8   2.7  25.7   23:30     W
 4  11.2  14.6   13:30   6.7    6:30   7.1   0.0   9.0   1.8  20.9    1:30    SE
 5  10.3  12.8   13:30   7.7   21:00   8.1   0.0  25.2   3.7  30.6   15:30     W
 6   8.6  11.1   12:30   6.4    3:30   9.8   0.0   8.6   2.7  25.7    9:30     W
 7  10.4  15.4   14:30   4.5    5:00   7.9   0.0   0.2   0.6  19.3   15:30     W
 8   9.4  13.1   16:30   4.7    4:00   8.9   0.0   1.8   2.1  22.5   00:00    SE
 9  10.8  15.8   16:00   7.9    5:30   7.6   0.0   1.6   1.1  25.7    0:30     W
10  11.8  15.7   16:30   8.3    1:30   6.6   0.0   0.0   2.1  20.9   16:30    SE
11  13.5  18.2   13:30  10.7   21:30   4.8   0.0   0.0   1.4  20.9   14:30     W
12  11.2  15.9   17:00   6.6   00:00   7.1   0.0   1.0   1.0  24.1   14:30     W
13  11.3  18.8   15:00   3.2    4:30   7.0   0.0   0.0   0.3   9.7   12:00   ENE
14   8.1  10.4    0:30   6.9   21:00  10.3   0.0  16.2   3.1  25.7    6:00   ENE
15  10.3  15.2   16:30   4.9    6:00   8.1   0.0   0.0   0.5  12.9   18:30   ENE
16  12.8  17.5   14:30   7.4   00:00   5.6   0.0   0.0   0.2  11.3    0:30    SW
17  10.2  14.6   12:30   4.9    4:30   8.2   0.0   0.0   0.6  11.3   13:00     W
18   8.9  13.6   15:30   5.9   22:00   9.4   0.0  15.4   1.4  19.3   18:00     W
19   8.9  13.9   16:00   5.8    4:30   9.4   0.0   0.2   1.0  16.1   11:30     W
20   9.8  16.2   15:30   4.6    5:00   8.5   0.0   0.0   0.2  11.3   15:30   WSW
21  13.1  20.8   15:00   6.3    5:30   5.5   0.3   0.0   0.0  12.9   16:30     W
22  14.5  20.4   16:00   7.4    0:30   4.1   0.2   0.0   0.0   9.7    9:30     W
23  15.6  21.3   15:30  10.3    6:00   3.1   0.3   0.0   0.3  12.9   10:00   ENE
24  13.7  20.9   17:00   9.2    3:30   4.9   0.2   0.2   0.0   9.7   10:00   WSW
25  11.9  16.7   15:00   6.2    2:30   6.4   0.0   0.0   0.0   8.0   20:00     W
26  13.4  20.0   16:30   8.6   00:00   5.0   0.1   0.0   0.3   9.7   12:30   ENE
27  11.6  17.4   14:00   5.4    4:00   6.7   0.0   0.0   1.3  20.9   15:30   WSW
28  12.3  16.8   13:30   7.7    6:00   6.1   0.0   0.2   0.3  16.1    0:30     W
29   9.9  14.3   17:30   7.3   23:30   8.4   0.0  10.4   1.0  17.7    8:30   WSW
30  11.2  15.8   12:30   4.9    6:00   7.2   0.0   0.6   0.8  14.5   00:00    SE
31  11.6  14.0   11:30   6.3   23:30   6.7   0.0   1.4   1.9  25.7    5:00     W
-------------------------------------------------------------------------------------
    11.1  21.3    23     3.2    13   225.9   1.2 129.4   1.2  30.6     5       W

Max >=  32.0:  0
Max <=   0.0:  0
Min <=   0.0:  0
Min <= -18.0:  0
Max Rain: 34.80 ON 03/05/15
Days of Rain: 17 (> .2 mm) 8 (> 2 mm) 2 (> 20 mm)
Heat Base:  18.3  Cool Base:  18.3  Method: Integration