August 2015
Moody skies over Weston Beach, Devon on a warm and humid late August day.

A generally unsettled month that was cooler, cloudier and much wetter than normal though there were still plenty of fine, warm and dry days too.

Summary for  August 2015
Mean Max: 20.4ºC (-0.3ºC)
Mean Min: 11.6ºC (-1.3ºC)
Mean (min+max ÷ 2): 16.0ºC (-0.8ºC)
Mean (integrated):  15.6ºC  
High Max: 25.3ºC 8th
Low Max: 16.2ºC 24th
High Min: 17.1ºC 21st
Low Min: 5.9ºC 1st
Mean Grass Min: 9.3ºC  
Grass Min: 4.6ºC 1st
Days  >20°C 18 Days  
Days <15°C 0 Days  
Nights  >15°C 8 Days  
Nights  <5°C 0 Days  
Rain Total (gauge): 151.1 mm (266%)
Rain Total (tipping bucket): 151.8 mm (267%)
Rain Days >0.2 mm: 17 Days  
Rain Days >1.0 mm: 14 Days  
Max 24 hrs: 40.5 mm 23rd 
Days without any rain: 14  
Air Frost: 0 Days  
Grass Frost: 0 Days  
Snow Falling: 0 Days  
Snow (50%) @ 9am: 0 Days  
Ice Days: 0 Days  
Thunder Heard: 4 Days  
Hail <5 mm: 0 Days  
Hail >5 mm: 0 Days  
Fog @ 9am: 0 Days  
Total Monthly Sunshine: 144.8 Hours (74%)
Most Sunshine in a Day: 14.3 Hours 8th
Average Daily Sunshine: 4.7 Hours  
Sunless Days: 1 Days  
Cloudless Days: 1 Days  
Total Possible Sunshine: 449.2 Hours  
Percentage of Total Sun: 32%  
Maximum UV Index: 8.0 4th
Time of Max UV:    
Average Max UV: 5.2  
Mean Soil Temp @ 30 cm: 18.3ºC  
Min Soil Temp @ 30 cm: 17.6ºC 18th
Max Soil Temp @ 30 cm: 18.8ºC 23rd 
Mean Soil Temp @ 100 cm: 18.0ºC  
Min Soil Temp @ 100 cm: 17.7ºC 4th
Max Soil Temp @ 100 cm: 18.2ºC 14th
Ave 10 Min Wind >39 mph: 0.00 Days  
N: 5.53 Days  
NE: 0.76 Days  
E: 1.08 Days  
SE: 2.35 Days  
S: 8.16 Days  
SW: 1.69 Days  
W: 0.73 Days  
NW: 4.91 Days  
Calm: 5.79 Days  
Wind Chill Low: 5.7ºC 1st
Mean Wind: 3.6 mph  
Max Gust: 31 mph 26th
Mean Cloud Cover: 63%  
Mean RH @ 9am: 95%  
Rain >0.1mm/hour: 37.0 Hours  
Frost Duration: 0.0 Hours  
Air Frost in a Day: 0.0 Hours 1st
Mean Sea Temperature: 17.3ºC (-0.8ºC)
Normal for Month: 18.1ºC  
Max Sea Temperature: 18.4ºC 22nd 
Min Sea Temperature: 16.8ºC 1st
Mean Pressure @ 9am: 1013.6 hPa  
Mean Pressure: 1013.6 hPa  
Max Pressure: 1023.5 hPa 8th
Min Pressure: 996.8 hPa 24th
Max Change in 24 hours: 10.7 hPa 22nd 
Radiation Daily Mean: 12.89 MJ/m²  
Max Daily Value: 27.06 MJ/m² 8th
Min Daily Value: 3.28 MJ/m² 14th
Number of Days with Data: 31 Days  
1-Hour Maximum: 1220 W/m² 7th
Starting Time of the Hour:   13:00
Max Dewpoint: 20.0ºC 10th
Min Dewpoint: 5.1ºC 1st
Mean Dewpoint: 13.3ºC  
Max Humidity: 100% 31st
Min Humidity: 51% 8th
Mean Humidity: 84%  
Weather Data for Otter Valley, Devon. August 2015
  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 5.9 19.3 4.6 71 98 17.9 17.8 5.1 14.6 18 3.2 76 0.0 1015 1017 684 5.1 2.2 0.0 8.8 5.7 16.8 Cloudy am, sunny ints pm
2 8.6 20.9 6.5 73 99 17.8 17.8 7.6 16.4 24 4.3 104 0.0 1009 1018 1032 7.3 10.3 0.0 6.7 8.3 16.9 Sunny intervals all day
3 16.1 20.7 9.7 66 97 18.3 17.7 11.4 16.5 22 7.6 182 0.7 1008 1011 980 7.5 4.8 0.0 0.0 15.4 17.1 Sunny intervals all day
4 9.1 21.0 6.8 56 98 18.2 17.7 8.1 13.4 25 4.7 112 0.2 1010 1015 937 8.0 2.4 0.0 6.8 8.8 17.0 Sunny intervals all day
5 12.6 17.9 10.1 79 97 18.2 17.9 11.0 15.7 22 5.5 131 3.7 1008 1015 603 4.9 0.3 0.0 0.0 11.9 16.9 Brief sunny ints all day
6 15.1 23.0 15.1 53 98 18.1 17.8 11.4 16.0 22 4.9 117 1.5 1008 1015 1172 7.7 3.4 0.0 0.6 13.7 17.1 Sunny intervals all day
7 9.2 22.4 7.4 55 97 18.6 17.8 8.2 15.1 14 1.6 38 0.0 1015 1020 1220 7.1 7.9 0.0 12.6 8.9 17.6 Sunny intervals all day
8 8.6 25.3 7.3 51 97 18.5 17.8 7.7 16.5 16 2.5 59 0.0 1020 1024 899 6.7 14.3 0.0 6.2 7.9 17.7 Sunny all day
9 9.1 21.1 7.1 77 97 18.8 18.0 8.2 17.9 19 3.9 94 0.0 1018 1023 937 6.8 2.7 0.0 8.8 8.9 17.2 Sunny intervals all day
10 16.1 21.3 14.2 67 98 18.8 18.1 13.3 20.0 15 4.6 110 25.5 1015 1019 1081 7.6 4.1 0.0 0.0 14.8 17.3 Rain am, sunny ints pm
11 10.5 18.8 9.1 67 98 18.7 18.1 9.9 15.0 8 0.9 21 0.0 1017 1021 498 2.8 1.6 0.0 10.5 10.4 17.3 Brief sunny ints all day
12 11.5 23.3 10.4 67 98 18.5 18.1 10.8 18.2 11 1.9 47 0.0 1019 1023 997 6.9 11.2 0.0 4.8 11.0 17.4 Sunny intervals all day
13 15.4 19.4 14.4 80 96 18.8 18.1 13.5 17.6 14 2.6 62 5.7 1009 1019 452 2.1 0.1 0.0 1.2 15.2 17.3 Brief sunny intervals all day
14 15.4 17.8 6.5 89 98 18.8 18.2 13.4 17.1 16 3.1 76 29.3 1005 1009 175 1.4 0.0 0.0 0.7 14.9 17.2 Rain all day, dry evening
15 7.6 19.7 6.1 54 99 18.2 18.0 6.9 13.5 18 2.4 58 0.0 1009 1016 1101 7.1 10.9 0.0 8.9 7.3 17.0 Sunny intervals all day
16 6.0 19.4 5.6 58 98 18.0 18.1 5.2 13.1 10 1.1 26 0.0 1016 1018 1023 6.1 6.0 0.0 9.8 5.7 17.1 Sunny intervals all day
17 7.3 21.0 5.6 70 98 17.8 18.0 6.6 17.0 10 2.0 48 0.0 1016 1018 1097 5.9 7.2 0.0 5.6 7.1 17.2 Sunny intervals all day
18 9.6 23.0 7.5 51 98 17.6 17.8 8.7 14.2 16 2.1 50 0.0 1015 1017 942 6.2 12.2 0.0 10.5 9.3 17.3 Sunny intervals all day
19 8.3 17.0 6.8 77 99 17.8 18.0 7.6 16.7 23 4.2 100 11.4 1014 1016 239 2.5 0.6 0.0 11.5 8.2 17.1 Sunny ints early am then rain
20 15.1 20.6 12.7 89 99 17.7 17.9 14.4 19.2 20 4.3 104 0.9 1015 1019 490 5.3 0.4 0.0 5.4 14.8 17.0 Drizzle am, sunny ints pm
21 17.1 19.1 16.7 91 98 18.1 17.9 16.5 17.9 24 8.6 206 0.0 1017 1019 446 4.6 0.5 0.0 0.0 14.9 17.3 Brief sunny ints all day
22 16.8 23.0 14.5 72 98 18.6 17.9 16.2 18.6 18 2.7 65 6.2 1007 1017 988 6.4 7.8 0.0 2.8 16.6 18.4 Sunny am, thunder pm
23 14.1 20.2 9.7 76 98 18.8 18.0 12.5 17.4 17 3.1 73 40.5 1001 1007 1034 5.9 4.4 0.0 4.6 13.9 17.8 Rain am, sunny intervals pm
24 12.3 16.2 11.0 82 98 18.6 18.1 11.3 14.8 19 3.3 80 4.6 997 1006 379 2.9 1.5 0.0 2.8 12.1 17.4 Rain am, sunny intervals pm
25 7.9 20.1 5.6 82 99 18.3 18.1 7.2 18.6 22 4.9 117 9.0 1003 1009 702 0.0 2.3 0.0 6.4 7.7 17.1 Rain am, sunny intervals pm
26 14.8 22.0 14.4 65 98 18.1 18.1 13.8 16.8 31 9.8 234 6.2 1001 1007 1044 5.9 6.9 0.0 0.6 11.7 17.1 Sunny intervals all day
27 11.8 19.7 6.6 67 99 18.3 18.0 10.7 15.4 19 2.8 68 2.6 1004 1010 1074 6.0 4.0 0.0 7.8 11.4 17.1 Sunshine & showers all day
28 7.3 20.4 5.2 64 99 18.1 17.9 6.4 15.4 22 4.0 97 0.0 1010 1018 986 0.0 8.2 0.0 8.8 6.8 17.2 Sunny intervals all day
29 12.8 20.7 10.4 63 99 18.1 18.0 11.8 15.6 12 1.7 43 0.0 1018 1019 799 5.8 4.0 0.0 13.6 12.5 17.6 Sunny intervals all day
30 14.3 18.8 14.4 85 96 18.3 18.0 13.4 16.7 9 1.4 34 3.7 1015 1018 389 3.8 0.0 0.0 7.5 14.0 17.2 Cloudy all day
31 13.7 18.3 6.1 79 100 18.2 17.9 12.4 15.5 15 3.2 74 5.9 1012 1016 662 4.5 2.7 0.0 3.1 13.7 17.2 Rain am, sunny intervals pm
11.6 20.4 9.3 70 98 18.3 18.0 10.4 16.3 18 3.6 2706 151.8 1011 1016 808 5.2 144.8 0.0 174 11.1 17.3  
UV Light | Month So Far | Year So Far | Recording Data | Time-Lapse Videos | World Weather | Met Office 5-Day | Humidity Calculation | Links