|
September 2014 |
 |
|
A stroll through a Devonshire
woodland on a warm and sunny late September day. |
|
Summer returned after a rather wet August with
a warm and very dry month. |
|
Summary for |
September
2014 |
|
Mean Max: |
22.1ºC |
(+3.0ºC) |
|
Mean Min: |
11.3ºC |
(+0.4ºC) |
|
Mean (min+max ÷
2): |
16.7ºC |
(+1.7ºC) |
|
Mean (integrated): |
15.6ºC |
|
|
High Max: |
24.6ºC |
16th |
|
Low Max: |
20.1ºC |
1st |
|
High Min: |
16.7ºC |
19th |
|
Low Min: |
5.4ºC |
23rd |
|
Mean Grass Min: |
9.0ºC |
|
|
Grass Min: |
4.1ºC |
23rd |
|
|
|
|
|
Rain Total (gauge): |
9.8 mm |
(16%) |
|
Rain Total (tipping bucket): |
8.8 mm |
(15%) |
|
Rain Days >0.2 mm: |
1 Days |
|
|
Rain Days >1.0 mm: |
1 Days |
|
|
Max 24 hrs: |
8.8 mm |
19th |
|
Days without any rain: |
29 |
|
|
|
|
|
|
Air Frost: |
0 Days |
|
|
Grass Frost: |
0 Days |
|
|
Snow Falling: |
0 Days |
|
|
Snow (50%) @ 9am: |
0 Days |
|
|
Ice Days: |
0 Days |
|
|
Thunder Heard: |
2 Days |
|
|
Hail <5 mm: |
0 Days |
|
|
Hail >5 mm: |
0 Days |
|
|
Fog @ 9am: |
2 Days |
|
|
|
|
|
|
Total Monthly Sunshine: |
195.1 Hours |
(136%) |
|
Most Sunshine in a Day: |
12.4 Hours |
9th |
|
Average Daily Sunshine: |
6.5 Hours |
|
|
Sunless Days: |
1 Days |
|
|
Cloudless Days: |
4 Days |
|
|
Total Possible Sunshine: |
378.6 Hours |
|
|
Percentage of Total Sun: |
52% |
|
|
Maximum UV Index: |
7.3 |
2nd |
|
Time of Max UV: |
|
13:30 |
|
|
|
|
|
Mean Soil Temp @ 30 cm: |
18.2ºC |
|
|
Min Soil Temp @ 30 cm: |
17.4ºC |
25th |
|
Max Soil Temp @ 30 cm: |
18.8ºC |
20th |
|
Mean Soil Temp @ 100 cm: |
18.1ºC |
|
|
Min Soil Temp @ 100 cm: |
17.8ºC |
30th |
|
Max Soil Temp @ 100 cm: |
18.2ºC |
9th |
|
|
|
|
|
Ave 10 Min Wind >39 mph: |
0.01 Days |
|
|
N: |
7.91 Days |
|
|
NE: |
3.11 Days |
|
|
E: |
4.05 Days |
|
|
SE: |
2.46 Days |
|
|
S: |
3.54 Days |
|
|
SW: |
0.54 Days |
|
|
W: |
0.19 Days |
|
|
NW: |
5.93 Days |
|
|
Calm: |
3.28 Days |
|
|
Wind Chill Low: |
4.5ºC |
23rd |
|
Mean Wind: |
1.8 mph |
|
|
Max Gust: |
21 mph |
24th |
|
|
31.00 Days |
|
|
Mean Cloud Cover: |
50% |
|
|
Mean RH @ 9am: |
95% |
|
|
Rain >0.1mm/hour: |
2.3 Hours |
|
|
Frost Duration: |
0.0 Hours |
|
|
Air Frost in a Day: |
0.0 Hours |
1st |
|
|
|
|
|
Mean Sea Temperature: |
17.8ºC |
(+0.8ºC) |
|
Normal for Month: |
17.0ºC |
|
|
Max Sea Temperature: |
18.9ºC |
6th |
|
Min Sea Temperature: |
17.4ºC |
1st |
|
|
|
|
|
Mean Pressure @ 9am: |
1019.0 hPa |
|
|
Mean Pressure: |
1018.7 hPa |
|
|
Max Pressure: |
1027.3 hPa |
22nd |
|
Min Pressure: |
1006.6 hPa |
18th |
|
Max Change in 24 hours: |
7.2 hPa |
20th |
|
|
|
|
|
Radiation Daily Mean: |
12.47 MJ/m² |
|
|
Max Daily Value: |
19.09 MJ/m² |
9th |
|
Min Daily Value: |
4.33 MJ/m² |
20th |
|
Number of Days with Data: |
30 Days |
|
|
1-Hour Maximum: |
894 W/m² |
2nd |
|
Starting Time of the Hour: |
|
13:30 |
|
|
|
|
|
Max Dewpoint: |
19.5ºC |
18th |
|
Min Dewpoint: |
4.8ºC |
23rd |
|
Mean Dewpoint: |
13.3ºC |
|
|
|
|
|
|
Max Humidity: |
99% |
3rd |
|
Min Humidity: |
49% |
21st |
|
Mean Humidity: |
82% |
|
 |
|
|
|
Weather Data for Otter Valley, Devon. September 2014 |
|
|
Temp oC |
Grass |
Hum (%) |
Soil oC |
DP (oC) |
Wind (mph) |
Rain |
Air (hPa) |
W/m² |
UV |
Sun |
Frost |
Calm |
Wind |
Sea |
Observations |
|
|
Min |
Max |
Min |
Min |
Max |
30 |
100 |
Min |
Max |
Max |
Ave |
Run |
mm |
Min |
Max |
Max |
Max |
Hours |
Hours |
Hours |
Chill |
Temp |
|
1 |
10.9 |
20.1 |
8.7 |
82 |
98 |
18.4 |
18.1 |
9.6 |
18.3 |
11 |
2.2 |
53 |
0.0 |
1020 |
1021 |
381 |
4.8 |
0.4 |
0.0 |
11.3 |
10.6 |
17.4 |
Brief sunny ints all day |
|
2 |
11.0 |
22.1 |
8.0 |
73 |
95 |
18.3 |
18.1 |
9.7 |
17.4 |
13 |
1.7 |
41 |
0.0 |
1021 |
1023 |
894 |
7.3 |
1.3 |
0.0 |
3.0 |
10.6 |
17.5 |
Brief sunny ints all day |
|
3 |
11.4 |
23.4 |
9.2 |
65 |
99 |
18.4 |
18.1 |
10.7 |
18.4 |
11 |
1.0 |
24 |
0.0 |
1020 |
1022 |
716 |
5.1 |
4.8 |
0.0 |
9.0 |
11.1 |
18.0 |
Sunny intervals all day |
|
4 |
10.4 |
22.5 |
8.5 |
65 |
99 |
18.4 |
18.1 |
9.7 |
16.7 |
8 |
1.5 |
36 |
0.0 |
1016 |
1020 |
769 |
5.3 |
9.6 |
0.0 |
3.8 |
10.1 |
17.8 |
Sunny intervals all day |
|
5 |
11.1 |
23.0 |
9.4 |
65 |
98 |
18.5 |
18.1 |
10.2 |
16.9 |
9 |
1.4 |
35 |
0.0 |
1015 |
1017 |
729 |
5.3 |
2.4 |
0.0 |
6.8 |
10.8 |
18.2 |
Sunny intervals all day |
|
6 |
14.1 |
24.1 |
12.2 |
63 |
96 |
18.6 |
18.2 |
13.3 |
17.9 |
12 |
1.4 |
35 |
0.0 |
1013 |
1015 |
716 |
4.9 |
4.8 |
0.0 |
14.5 |
13.9 |
18.9 |
Sunny intervals all day |
|
7 |
11.5 |
23.4 |
9.6 |
63 |
98 |
18.8 |
18.2 |
10.7 |
16.8 |
8 |
0.9 |
21 |
0.0 |
1014 |
1016 |
815 |
5.3 |
7.2 |
0.0 |
9.5 |
11.3 |
18.2 |
Sunny intervals all day |
|
8 |
9.6 |
22.6 |
8.0 |
60 |
95 |
18.7 |
18.2 |
8.4 |
16.7 |
11 |
2.0 |
49 |
0.0 |
1016 |
1020 |
779 |
5.0 |
12.4 |
0.0 |
4.0 |
9.0 |
17.8 |
Sunny all day |
|
9 |
8.2 |
23.6 |
6.8 |
52 |
99 |
18.4 |
18.2 |
7.3 |
15.3 |
10 |
1.8 |
43 |
0.0 |
1020 |
1021 |
748 |
5.4 |
12.4 |
0.0 |
3.0 |
7.8 |
17.8 |
Sunny all day |
|
10 |
8.9 |
21.9 |
7.4 |
68 |
99 |
18.3 |
18.2 |
8.1 |
16.2 |
15 |
2.2 |
53 |
0.0 |
1019 |
1021 |
821 |
5.8 |
12.3 |
0.0 |
5.8 |
8.4 |
17.7 |
Sunny all day |
|
11 |
9.4 |
22.3 |
6.8 |
55 |
98 |
18.1 |
18.1 |
8.6 |
14.1 |
13 |
1.8 |
44 |
0.0 |
1020 |
1022 |
851 |
5.5 |
10.1 |
0.0 |
5.5 |
9.1 |
17.7 |
Sunny intervals all day |
|
12 |
10.3 |
22.7 |
7.3 |
64 |
97 |
18.2 |
18.1 |
9.1 |
16.1 |
12 |
2.0 |
47 |
0.0 |
1022 |
1024 |
748 |
5.2 |
10.9 |
0.0 |
3.5 |
9.8 |
17.8 |
Sunny intervals all day |
|
13 |
10.1 |
20.5 |
8.5 |
71 |
99 |
18.1 |
18.1 |
9.2 |
15.5 |
11 |
1.4 |
33 |
0.0 |
1024 |
1026 |
527 |
3.8 |
5.3 |
0.0 |
4.3 |
9.6 |
17.7 |
Sunny intervals all day |
|
14 |
13.1 |
20.3 |
9.7 |
71 |
96 |
18.1 |
18.1 |
11.6 |
15.5 |
11 |
1.3 |
31 |
0.0 |
1018 |
1025 |
563 |
4.2 |
4.5 |
0.0 |
3.3 |
12.8 |
17.7 |
Sunny intervals all day |
|
15 |
12.9 |
22.2 |
10.5 |
60 |
95 |
17.9 |
18.1 |
11.5 |
15.4 |
13 |
1.3 |
32 |
0.0 |
1014 |
1018 |
831 |
4.7 |
6.6 |
0.0 |
5.5 |
12.7 |
17.8 |
Sunny intervals all day |
|
16 |
11.9 |
24.6 |
10.0 |
67 |
98 |
18.2 |
18.1 |
10.8 |
18.3 |
19 |
2.7 |
64 |
0.0 |
1011 |
1015 |
756 |
4.8 |
8.6 |
0.0 |
1.8 |
11.6 |
17.7 |
Sunny intervals all day |
|
17 |
16.3 |
24.4 |
15.8 |
65 |
88 |
18.4 |
18.1 |
12.2 |
17.5 |
18 |
2.6 |
63 |
0.0 |
1008 |
1011 |
772 |
4.8 |
6.2 |
0.0 |
0.0 |
16.1 |
17.7 |
Sunny intervals all day |
|
18 |
16.1 |
24.3 |
14.2 |
72 |
93 |
18.6 |
18.1 |
14.6 |
19.5 |
14 |
2.0 |
49 |
0.0 |
1007 |
1008 |
621 |
4.4 |
7.5 |
0.0 |
1.8 |
15.9 |
17.8 |
Sunny intervals all day |
|
19 |
16.7 |
22.1 |
14.9 |
82 |
97 |
18.7 |
18.1 |
15.5 |
19.4 |
11 |
1.3 |
31 |
9.8 |
1008 |
1012 |
792 |
4.6 |
3.4 |
0.0 |
7.3 |
16.4 |
18.2 |
Thunder am, sunny ints pm |
|
20 |
14.1 |
20.2 |
12.5 |
87 |
99 |
18.8 |
18.1 |
13.3 |
17.8 |
10 |
1.5 |
40 |
0.0 |
1012 |
1019 |
187 |
2.1 |
0.7 |
0.0 |
4.8 |
13.8 |
17.9 |
Sunny ints am, cloudy pm |
|
21 |
12.4 |
21.5 |
7.3 |
49 |
97 |
18.7 |
18.1 |
8.2 |
15.9 |
13 |
1.3 |
31 |
0.0 |
1020 |
1026 |
717 |
4.3 |
9.5 |
0.0 |
8.3 |
9.3 |
17.8 |
Sunny intervals all day |
|
22 |
5.7 |
20.6 |
4.2 |
59 |
99 |
18.4 |
18.1 |
5.0 |
12.9 |
11 |
1.9 |
45 |
0.0 |
1025 |
1027 |
716 |
4.6 |
11.3 |
0.0 |
4.8 |
5.4 |
17.8 |
Sunny all day |
|
23 |
5.4 |
20.2 |
4.1 |
63 |
99 |
17.8 |
18.1 |
4.8 |
14.3 |
13 |
2.0 |
48 |
0.0 |
1018 |
1025 |
775 |
4.4 |
6.4 |
0.0 |
5.5 |
4.5 |
17.7 |
Sunny intervals all day |
|
24 |
10.1 |
21.2 |
4.8 |
54 |
99 |
17.6 |
18.1 |
8.5 |
14.4 |
21 |
2.8 |
61 |
0.0 |
1015 |
1018 |
787 |
4.3 |
7.1 |
0.0 |
10.3 |
9.5 |
17.7 |
Sunny intervals all day |
|
25 |
6.8 |
22.6 |
4.5 |
54 |
99 |
17.4 |
18.0 |
5.4 |
14.3 |
13 |
2.4 |
57 |
0.0 |
1018 |
1021 |
699 |
4.9 |
10.6 |
0.0 |
5.3 |
6.3 |
17.7 |
Sunny intervals all day |
|
26 |
15.3 |
21.7 |
9.7 |
64 |
96 |
17.5 |
17.9 |
13.2 |
15.7 |
13 |
2.2 |
53 |
0.0 |
1021 |
1025 |
546 |
4.8 |
3.5 |
0.0 |
4.5 |
15.1 |
17.8 |
Sunny intervals all day |
|
27 |
9.5 |
20.1 |
7.9 |
79 |
98 |
17.6 |
17.9 |
8.7 |
16.8 |
8 |
1.2 |
30 |
0.0 |
1023 |
1026 |
291 |
2.5 |
0.0 |
0.0 |
4.0 |
9.2 |
17.8 |
Cloudy all day |
|
28 |
10.6 |
21.9 |
8.7 |
74 |
99 |
17.7 |
17.9 |
9.8 |
18.0 |
7 |
1.4 |
33 |
0.0 |
1017 |
1023 |
498 |
3.6 |
5.1 |
0.0 |
6.5 |
10.3 |
17.9 |
Sunny intervals all day |
|
29 |
14.9 |
20.1 |
13.4 |
83 |
97 |
17.8 |
17.9 |
14.0 |
17.4 |
12 |
1.7 |
41 |
0.0 |
1018 |
1020 |
613 |
2.9 |
3.6 |
0.0 |
12.0 |
14.7 |
17.8 |
Cloudy am, sunny ints pm |
|
30 |
9.6 |
21.5 |
8.6 |
76 |
99 |
17.8 |
17.8 |
8.9 |
17.7 |
19 |
3.0 |
67 |
0.0 |
1020 |
1023 |
679 |
3.9 |
6.7 |
0.0 |
9.0 |
9.3 |
17.8 |
Sunny intervals all day |
|
|
11.3 |
22.1 |
9.0 |
67 |
97 |
18.2 |
18.1 |
10.0 |
16.6 |
12 |
1.8 |
1287 |
9.8 |
1017 |
1020 |
678 |
4.6 |
195.1 |
0.0 |
178 |
10.8 |
17.8 |
|
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|
UV Light
|
Month So Far
|
Year So Far
|
Recording Data
|
Time-Lapse Videos
|
World
Weather |
Met Office 5-Day
|
Humidity Calculation
|
Links |
