September 2015 weather data

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September 2015 was cool and had average rainfall. There were 18 days without rain overall (defined as 0.2 mm or under). Three days accounted for the bulk of the rain, the 12th, 14th and 22nd, their 38 mm boosting the total rainfall to 62.6 mm, only 1.1 mm below the the Ross-on-Wye* average for September of 63.7 mm.

The month was cooler than average too, with the average maximum temperature of 17.5 °C being 0.8 °C below the Ross average for September of 18.3 °C.

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

Day by day data for September are given below:-

                   MONTHLY CLIMATOLOGICAL SUMMARY for SEP. 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  12.9  18.8   13:30   8.2    7:00   5.4   0.0   1.6   0.0   4.8   12:00    SE
 2  12.1  17.6   15:30   7.9    7:00   6.2   0.0   3.0   0.0   4.8   11:30   ESE
 3  11.8  16.7   11:30   8.4    3:00   6.6   0.0   0.0   0.0   6.4   11:00   WNW
 4  13.3  19.1   14:30   9.8    6:00   5.0   0.0   0.0   0.0   9.7   12:30     E
 5  12.2  16.0   15:30   8.2   00:00   6.2   0.0   0.0   0.2   9.7   11:30   ENE
 6  12.5  19.7   16:30   5.3    5:30   5.9   0.1   0.0   0.0   4.8   12:30   ENE
 7  13.5  20.2   15:30   7.2    5:00   5.1   0.2   0.0   0.0   6.4   12:00   ENE
 8  10.9  15.6   16:30   7.4    7:00   7.4   0.0   0.0   0.3   9.7   13:30   ENE
 9  12.4  16.6   14:00   7.8    2:30   5.9   0.0   0.0   0.8  14.5   13:30   ENE
10  14.3  20.2   16:00   8.7    7:00   4.2   0.2   0.0   1.3  17.7   13:30   ENE
11  14.6  20.2   14:00  10.3    6:30   3.9   0.2   0.6   2.1  20.9   14:00   ENE
12  13.6  17.6   11:00   9.4   23:00   4.8   0.0  11.0   1.3  16.1    5:00     W
13  12.5  17.4   15:30   9.0    6:00   5.8   0.0   0.2   1.1  16.1   15:30   ENE
14  10.9  14.1   13:30   9.7   23:30   7.4   0.0  16.8   1.8  20.9   18:30   ENE
15  12.2  18.2   12:00   8.8    4:00   6.1   0.0   5.4   0.5  19.3    2:00     W
16  12.3  16.1   14:00  10.1   00:00   6.1   0.0   0.0   0.3  11.3   11:30   ENE
17  12.2  16.9   13:30   7.5    6:00   6.1   0.0   0.6   0.2  12.9   16:00     W
18  13.5  18.8   14:30   9.4    7:00   4.8   0.0   6.4   0.0   1.6    0:30   WNW
19  12.9  18.9   15:30   8.0    7:00   5.4   0.0   0.2   0.0   8.0   15:30   ENE
20  12.4  15.9   11:00   7.9    6:30   5.9   0.0   0.0   0.2   9.7   14:00     W
21  12.4  17.1   16:00   9.6   21:30   5.9   0.0   2.6   0.5  12.9   10:30     W
22  11.2  15.8   16:30   8.3   22:30   7.1   0.0  10.2   0.2  11.3   14:30   ESE
23  12.2  17.3   14:00   7.7    7:30   6.2   0.0   1.2   0.6  14.5   16:30     W
24  12.4  16.3   15:00   9.2   23:30   5.9   0.0   2.4   0.3  14.5    2:00     W
25  11.6  18.4   14:00   7.1    5:30   6.8   0.0   0.2   0.0   6.4   15:00     W
26  10.6  16.6   13:30   5.6    7:30   7.8   0.0   0.0   0.2  11.3   15:30   ENE
27  11.7  17.4   14:30   5.5    7:30   6.6   0.0   0.0   0.6  14.5   13:30   ENE
28  12.5  17.6   15:30   7.2    7:30   5.8   0.0   0.0   1.3  17.7   12:00   ENE
29  12.5  17.7   15:00   8.0    6:00   5.8   0.0   0.0   0.5  12.9   16:00   ENE
30  12.1  17.2   15:00   8.3    7:00   6.2   0.0   0.2   1.1  20.9   11:00   ENE
-------------------------------------------------------------------------------------
    12.4  20.2     7     5.3     6   178.3   0.7  62.6   0.5  20.9    11     ENE

Max >=  32.0:  0
Max <=   0.0:  0
Min <=   0.0:  0
Min <= -18.0:  0
Max Rain: 16.79 ON 14/09/15
Days of Rain: 16 (> .2 mm) 8 (> 2 mm) 0 (> 20 mm)
Heat Base:  18.3  Cool Base:  18.3  Method: Integration