June 2015
A photo from a trip over the border into Cornwall. Nanjizal Beach on a hot and sunny June day with a big Atlantic swell.

A lovely start to summer. Sunnier and drier than normal and with average temperatures.

Summary for  June 2015
Mean Max: 20.7C (+1.3C)
Mean Min: 9.8C (-1.1C)
Mean (min+max 2): 15.3C (+0.1C)
Mean (integrated):  15.0C  
High Max: 24.2C 11th
Low Max: 14.0C 1st
High Min: 14.6C 28th
Low Min: 4.3C 7th
Mean Grass Min: 8.0C  
Grass Min: 2.7C 7th
Days  >20C 20 Days  
Days <15C 29 Days  
Days  <10C 0 Days  
Nights  <5C 2 Days  
Rain Total (gauge): 26.6 mm (54%)
Rain Total (tipping bucket): 26.2 mm (53%)
Rain Days >0.2 mm: 7 Days  
Rain Days >1.0 mm: 7 Days  
Max 24 hrs: 5.6 mm 13th
Days without any rain: 23  
Air Frost: 0 Days  
Grass Frost: 0 Days  
Snow Falling: 0 Days  
Snow (50%) @ 9am: 0 Days  
Ice Days: 0 Days  
Thunder Heard: 0 Days  
Hail <5 mm: 0 Days  
Hail >5 mm: 0 Days  
Fog @ 9am: 1 Day  
Total Monthly Sunshine: 256.8 Hours (131%)
Most Sunshine in a Day: 15.4 Hours 30th
Average Daily Sunshine: 8.6 Hours  
Sunless Days: 0 Days  
Cloudless Days: 2 Days  
Total Possible Sunshine: 492.2 Hours  
Percentage of Total Sun: 52%  
Maximum UV Index: 8.9 2nd 
Time of Max UV:    
Average Max UV: 7.0  
Mean Soil Temp @ 30 cm: 17.3C  
Min Soil Temp @ 30 cm: 15.7C 2nd 
Max Soil Temp @ 30 cm: 18.8C 26th
Mean Soil Temp @ 100 cm: 16.2C  
Min Soil Temp @ 100 cm: 15.3C 8th
Max Soil Temp @ 100 cm: 17.3C 28th
Ave 10 Min Wind >39 mph: 0.00 Days  
N: 5.70 Days  
NE: 1.51 Days  
E: 1.58 Days  
SE: 2.13 Days  
S: 5.76 Days  
SW: 1.70 Days  
W: 1.51 Days  
NW: 6.13 Days  
Calm: 3.98 Days  
Wind Chill Low: 2.7C 7th
Mean Wind: 4.1 mph  
Max Gust: 40 mph 1st
Mean Cloud Cover: 46%  
Mean RH @ 9am: 84%  
Rain >0.1mm/hour: 8.8 Hours  
Frost Duration: 0.0 Hours  
Air Frost in a Day: 0.0 Hours 1st
Mean Sea Temperature: 14.5C (-0.7C)
Normal for Month: 12.7C  
Max Sea Temperature: 17.2C 29th
Min Sea Temperature: 12.6C 1st
Mean Pressure @ 9am: 1019.1 hPa  
Mean Pressure: 1019.3 hPa  
Max Pressure: 1033.8 hPa 8th
Min Pressure: 1001.6 hPa 2nd 
Max Change in 24 hours: 14.1 hPa 3rd 
Radiation Daily Mean: 21.67 MJ/m  
Max Daily Value: 30.02 MJ/m 15th
Min Daily Value: 10.78 MJ/m 26th
Number of Days with Data: 30 Days  
1-Hour Maximum: 1260 W/m 23rd 
Starting Time of the Hour:   13:00
Max Dewpoint: 18.3C 17th
Min Dewpoint: 3.2C 7th
Mean Dewpoint: 11.2C  
Max Humidity: 99% 27th
Min Humidity: 40% 7th
Mean Humidity: 76%  
Weather Data for Otter Valley, Devon. June 2015
  Temp oC Grass Hum (%) Soil oC DP (oC) Wind (mph) Rain Air (hPa) W/m 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 6.9 14.0 5.6 67 94 16.1 15.4 4.9 10.3 40 9.6 231 1.4 1005 1015 610 4.2 2.9 0.0 2.3 6.1 12.6 Sunny intervals all day
2 11.3 19.6 13.3 54 96 15.7 15.4 7.9 15.5 31 12.3 295 3.0 1002 1011 1158 8.9 3.7 0.0 0.0 6.9 12.7 Cloudy am, sunny ints pm
3 9.0 19.1 4.6 53 93 16.2 15.3 7.5 11.9 15 3.1 75 0.0 1011 1025 1248 7.7 7.9 0.0 0.0 8.8 12.8 Sunny intervals all day
4 4.8 18.3 3.3 55 98 16.3 15.4 3.8 12.5 17 3.1 75 0.0 1017 1026 1232 8.2 13.5 0.0 5.7 4.4 13.0 Sunny intervals all day
5 11.8 19.0 3.8 51 95 16.7 15.5 6.4 14.7 20 4.3 104 0.0 1013 1019 1042 8.3 9.0 0.0 0.0 11.6 13.2 Sunny intervals all day
6 6.9 18.9 5.6 47 94 16.3 15.4 5.3 9.7 18 4.0 96 0.0 1019 1028 1239 8.2 11.5 0.0 3.5 5.3 13.3 Sunny intervals all day
7 4.3 21.7 2.7 40 97 16.4 15.6 3.2 10.9 14 2.6 63 0.0 1028 1032 1143 8.0 13.8 0.0 3.3 2.7 13.5 Sunny intervals all day
8 8.6 20.5 6.9 45 85 16.2 15.3 5.3 9.4 18 5.1 122 0.0 1030 1034 1120 6.7 13.5 0.0 0.0 6.4 13.6 Sunny intervals all day
9 8.7 18.6 2.8 47 93 16.3 15.6 5.1 15.4 19 4.5 108 0.0 1029 1033 1115 7.3 9.0 0.0 0.0 7.0 13.4 Sunny intervals all day
10 5.6 18.8 6.3 52 88 15.8 15.5 3.5 9.5 20 3.9 93 0.0 1022 1030 1243 7.1 13.0 0.0 0.2 4.8 13.5 Sunny intervals all day
11 13.1 24.2 10.4 56 78 16.2 15.6 7.7 15.5 21 3.6 87 0.0 1011 1022 1233 8.3 1.4 0.0 0.9 12.6 13.6 Sunny intervals all day
12 11.8 21.9 11.2 67 96 16.7 15.8 10.7 16.5 22 1.7 42 3.6 1007 1013 875 5.7 3.0 0.0 5.9 11.6 13.8 Sunny ints am, rain pm
13 13.1 21.9 7.3 64 97 17.0 15.9 12.2 15.5 21 4.8 115 5.6 1007 1011 1111 7.7 5.7 0.0 2.9 12.2 14.1 Sunny intervals all day
14 11.8 20.1 6.1 60 95 17.3 16.1 10.1 13.0 11 2.6 63 0.0 1011 1015 762 8.0 3.9 0.0 1.0 11.6 14.3 Sunny intervals all day
15 7.8 20.6 8.1 63 97 17.2 16.0 6.9 14.8 15 3.1 74 0.0 1015 1023 1106 8.7 14.3 0.0 5.8 7.6 14.2 Sunny all day
16 8.3 22.3 6.5 56 98 17.5 16.2 7.5 15.9 12 2.1 50 0.0 1023 1026 938 7.1 6.5 0.0 6.8 8.1 14.6 Sunny intervals all day
17 10.4 21.9 14.0 72 97 17.7 16.3 9.4 18.3 16 2.1 50 0.0 1023 1027 574 6.6 3.0 0.0 8.4 10.2 14.5 Cloudy am, sunny ints pm
18 14.2 21.7 7.4 51 92 18.0 16.3 10.2 16.2 18 5.0 119 0.0 1021 1023 954 7.7 12.5 0.0 0.5 13.7 14.8 Sunny intervals all day
19 8.5 22.7 6.7 52 98 18.3 16.5 7.6 13.7 19 3.9 93 0.0 1022 1024 935 7.6 12.5 0.0 0.1 8.0 14.7 Sunny intervals all day
20 10.6 22.8 9.1 65 97 18.5 16.7 9.4 16.7 20 2.7 64 0.0 1020 1024 932 5.8 3.5 0.0 3.8 10.4 14.8 Sunny intervals all day
21 11.4 20.8 12.3 54 94 18.4 16.7 9.9 15.3 20 3.6 85 0.0 1017 1020 1179 8.1 6.7 0.0 4.3 11.2 14.9 Sunny intervals all day
22 12.6 18.4 4.7 54 96 18.3 16.9 8.4 13.7 23 3.9 95 4.2 1010 1017 1183 6.6 6.5 0.0 4.6 12.4 14.6 Light rain am, sunny pm
23 6.7 21.3 5.3 51 98 18.0 17.0 5.7 14.1 16 3.4 81 0.0 1014 1019 1260 8.2 10.1 0.0 2.9 6.1 15.1 Sunny intervals all day
24 7.2 20.3 15.5 65 97 17.8 16.9 6.2 14.7 15 2.6 64 0.0 1019 1021 1239 8.1 11.5 0.0 10.4 6.8 15.6 Sunny intervals all day
25 8.8 22.1 9.4 64 98 18.2 17.0 7.8 16.1 17 3.2 76 0.0 1019 1022 952 0.0 14.6 0.0 9.8 8.4 16.1 Sunny all day
26 13.6 19.9 11.3 74 97 18.6 17.2 12.4 17.6 17 4.8 115 3.4 1015 1020 809 7.2 3.4 0.0 1.4 13.2 16.2 Rain am, sunny ints pm
27 7.4 22.5 6.2 63 99 18.3 17.1 6.6 16.7 18 3.6 86 0.0 1017 1021 1059 8.3 9.0 0.0 6.0 7.2 16.3 Sunny intervals all day
28 14.6 21.7 14.0 64 96 18.5 17.3 12.9 17.9 16 5.2 126 2.6 1018 1021 712 0.0 3.8 0.0 0.3 13.9 16.3 Cloudy am, sunny ints pm
29 10.4 21.2 8.0 60 98 18.5 17.2 9.4 16.3 14 2.6 64 0.0 1020 1023 1000 8.9 11.6 0.0 10.2 10.2 17.2 Sunny intervals all day
30 14.1 24.1 12.2 57 97 18.8 17.2 13.1 15.6 23 4.6 105 0.0 1012 1021 926 7.8 15.4 0.0 3.9 13.9 16.9 Sunny all day
9.8 20.7 8.0 57 95 17.3 16.2 7.9 14.5 19 4.1 2916 23.8 1017 1022 1030 7.0 256.8 0.0 105 9.1 14.5  
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