April 2020

Lovely Willow enjoying a warm April day in what may be his last spring

A beautifully warm and very sunny spring month with a little below average rainfall. Warmest April since 2011 (13.0C); driest since 2017 (21.4 mm) and the sunniest since 2010 (256 hours).

Summary for April 2020
Mean Max: 17.4C (+4.2C)
Mean Min: 5.9C (+0.9C)
Mean: 11.6C (+2.5C)
High Max: 23.3C 22nd 
Low Max: 11.6C 1st
High Min: 10.2C 28th
Low Min: -0.8C 1st
Mean Grass Min: 2.8C  
Grass Min: -2.8C 1st
Days  >20C 7 Days  
Days >15C 22 Days  
Nights  >5C 21 Days  
Nights  >0C 29 Days  
Rain Total (gauge): 31.7 mm (52%)
Rain Total (tipping bucket): 31.7 mm (52%)
Rain Days >0.2 mm: 5 Days  
Rain Days >1.0 mm: 5 Days  
Max 24 hrs: 8.6 mm 30th
Days without any rain: 25  
Air Frost: 1 Day  
Grass Frost: 5 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: 0 Days  
Total Monthly Sunshine: 250.9 Hours (129%)
Most Sunshine in a Day: 13.7 Hours 23rd 
Average Daily Sunshine: 8.4 Hours  
Sunless Days: 0 Days  
Cloudless Days: 9 Days  
Total Possible Sunshine: 416.1 Hours  
Percentage of Total Sun: 60%  
Average Sunny Interval: 22.9 mins
Maximum UV Index: 5.6 21st
Mean Soil Temp @ 10 cm: 11.2C  
Min Soil Temp @ 10 cm: 7.4C 1st
Max Soil Temp @ 10 cm: 13.1C 28th
Mean Soil Temp @ 30 cm: 10.9C  
Min Soil Temp @ 30 cm: 7.9C 1st
Max Soil Temp @ 30 cm: 12.8C 28th
Mean Soil Temp @ 100 cm: 10.3C  
Min Soil Temp @ 100 cm: 8.9C 1st
Max Soil Temp @ 100 cm: 11.7C 30th
Ave 10 Min Wind >39 mph: 0.00 Days  
N: 6.55 Days 21%
NE: 3.65 Days 12%
E: 2.67 Days 9%
SE: 2.98 Days 10%
S: 2.83 Days 9%
SW: 2.84 Days 9%
W: 0.60 Days 2%
NW: 2.57 Days 8%
Calm: 6.30 Days 20%
Wind Chill Low: -3.3C 1st
Mean Wind: 3.1 mph  
Max Gust: 42 mph 29th
Mean Cloud Cover: 33%  
Mean RH @ 9am: 87%  
Rain >0.1mm/hour: 9.4 Hours  
Frost Duration: 2.9 Hours  
Air Frost in a Day: 2.9 Hours 1st
Mean Sea Temperature: 11.3C (+1.0C)
Normal for Month: 10.3C  
Max Sea Temperature: 14.3C 23rd 
Min Sea Temperature: 8.7C 1st
Mean Pressure @ 9am: 1016.6 hPa  
Mean Pressure: 1016.1 hPa  
Max Pressure: 1029.1 hPa 7th
Min Pressure: 992.3 hPa 30th
Max Change in 24 hours: 17.9 hPa 6th
Radiation Daily Mean: 15.25 MJ/m  
Max Daily Value: 21.66 MJ/m 23rd 
Min Daily Value: 4.88 MJ/m 28th
Number of Days with Data: 30 Days  
1-Hour Maximum: 769 W/m 19th
Starting Time of the Hour:   13:00
Max Dewpoint: 14.8C 11th
Min Dewpoint: -1.8C 1st
Mean Dewpoint: 7.7C  
Max Humidity: 99% 4th
Min Humidity: 44% 20th
Mean Humidity: 78%  
 
Weather Data for Otter Valley, Devon. April 2020
  Temp oC Grass Hum (%) Soil oC (cm) Soil DP (oC) Wind (mph) Rain Air (hPa) W/m UV Sun Frost Sea Observations
  Min Max Min Min Max 10 30 100 (cb) Min Max Max Ave Run mm Min Max Max Max Hours Hours Temp
1 -0.8 11.6 -2.8 56 95 7.4 7.9 8.9 0.3 -1.8 4.2 14 3.3 79 0.0 1022 1029 815 3.7 5.1 2.9 9.3 Sunny intervals all day
2 5.9 14.3 4.4 65 93 8.2 7.9 8.9 0.8 4.0 8.4 22 3.4 82 0.0 1017 1022 811 4.6 5.3 0.0 9.3 Sunny intervals all day
3 8.4 14.2 4.4 72 94 8.9 8.4 8.9 1.0 6.6 10.6 12 1.7 41 0.0 1017 1019 791 4.0 1.1 0.0 9.7 Brief sunny intervals all day
4 3.2 15.3 0.0 73 99 9.2 8.9 8.9 1.0 2.3 11.0 19 3.2 77 0.0 1016 1020 712 4.4 9.3 0.0 9.8 Sunny intervals all day
5 9.9 16.4 6.7 71 90 9.8 9.4 8.9 1.0 7.4 11.7 28 7.2 174 0.0 1007 1016 653 4.4 11.0 0.0 10.2 Sunny intervals all day
6 7.1 17.2 2.2 55 98 10.6 9.9 9.0 1.0 6.0 11.9 25 4.3 104 1.3 1007 1025 847 4.5 6.7 0.0 10.7 Sunny intervals all day
7 0.3 17.3 -2.2 45 98 9.9 9.8 9.4 1.0 -0.4 9.3 12 1.8 44 0.0 1025 1029 707 4.3 7.9 0.0 10.3 Sunny intervals all day
8 9.8 22.6 5.6 55 90 10.7 10.1 9.4 1.0 5.9 13.6 14 2.7 64 0.0 1022 1026 772 5.0 7.6 0.0 10.9 Cloudy am, sunny pm
9 4.5 21.0 2.2 54 98 11.1 10.6 9.4 1.0 3.8 13.3 11 1.4 35 0.0 1022 1024 685 4.6 12.9 0.0 10.9 Sunny all day
10 9.0 19.8 5.6 57 91 11.6 11.1 9.6 1.0 7.3 12.5 20 4.2 100 0.0 1021 1023 657 4.8 12.9 0.0 11.2 Sunny all day
11 5.2 22.6 2.2 56 96 11.8 11.1 10.0 1.0 4.4 14.8 14 2.7 64 0.0 1020 1022 667 4.3 13.0 0.0 11.7 Sunny all day
12 5.5 21.4 2.2 58 97 11.9 11.4 10.0 1.0 4.6 13.8 12 1.9 45 0.0 1010 1021 793 4.4 8.5 0.0 11.4 Sunny intervals all day
13 8.7 15.3 3.3 51 92 11.8 11.7 10.3 1.0 2.7 9.5 23 7.2 173 0.0 1011 1027 690 4.0 12.7 0.0 11.1 Sunny all day
14 1.1 12.5 -2.2 64 89 10.8 11.3 10.6 1.7 -0.9 6.9 14 3.0 71 0.0 1026 1029 772 4.6 13.2 0.0 11.0 Sunny all day
15 0.2 16.2 -1.7 49 97 10.2 10.8 10.6 2.0 -0.6 7.3 12 2.3 55 0.0 1017 1026 717 4.5 13.2 0.0 11.0 Sunny all day
16 2.3 18.3 -0.6 50 95 10.4 10.6 10.6 2.1 1.0 12.1 16 2.6 63 0.0 1013 1017 712 4.3 12.4 0.0 11.2 Sunny ints am then sunny
17 7.6 14.1 3.9 84 96 11.0 10.8 10.6 2.8 6.4 12.8 13 2.8 68 8.4 1012 1015 383 2.8 0.2 0.0 11.2 Brief sunny intervals all day
18 8.6 13.3 5.0 88 96 11.3 11.1 10.6 3.0 7.5 11.6 10 1.2 27 0.0 1013 1018 513 3.2 0.4 0.0 11.3 Brief sunny intervals all day
19 8.8 19.5 5.6 59 98 11.8 11.2 10.6 3.0 8.1 13.4 16 1.7 42 0.0 1017 1020 840 4.8 7.5 0.0 11.7 Cloudy am, sunny pm
20 8.3 19.3 6.1 44 91 11.9 11.6 10.6 3.0 3.4 9.7 22 4.3 103 0.0 1012 1018 731 4.6 13.4 0.0 11.4 Sunny all day
21 9.9 21.4 6.1 46 82 12.2 11.7 10.6 3.0 3.6 10.4 18 4.5 107 0.0 1012 1016 808 5.6 13.3 0.0 11.9 Sunny all day
22 7.9 23.3 5.6 47 89 12.5 11.9 10.9 3.0 5.6 12.5 14 3.5 84 0.0 1016 1019 740 4.9 12.4 0.0 12.5 Sunny am, sunny ints pm
23 5.1 21.5 2.2 52 96 12.7 12.1 11.1 3.0 3.8 12.7 14 3.5 85 0.0 1017 1020 722 5.0 13.7 0.0 12.9 Sunny all day
24 4.6 16.7 2.2 64 97 12.4 12.3 11.1 3.0 3.8 11.4 14 1.6 37 0.0 1013 1017 694 3.4 5.4 0.0 12.4 Sunny intervals all day
25 6.5 15.6 3.3 73 99 12.7 12.2 11.1 3.0 5.8 11.7 11 1.3 31 0.0 1013 1015 732 4.7 7.0 0.0 12.2 Sunny intervals all day
26 6.1 17.4 3.9 55 96 12.8 12.5 11.1 3.0 5.1 11.3 14 1.5 36 0.0 1010 1014 771 5.5 9.6 0.0 12.4 Sunny intervals all day
27 5.2 18.1 2.8 68 98 12.9 12.6 11.3 3.0 4.3 13.1 13 1.5 36 0.0 1005 1011 668 4.2 6.0 0.0 12.8 Sunny intervals all day
28 10.2 13.8 5.0 81 97 13.1 12.8 11.7 3.0 7.5 11.6 11 1.3 32 7.5 1002 1005 259 1.8 1.1 0.0 12.6 Brief sunny intervals all day
29 2.8 16.3 1.7 60 99 12.3 12.5 11.7 3.0 2.2 11.9 42 5.4 134 5.9 995 1005 794 4.9 4.2 0.0 12.2 Sunny intervals all day
30 5.1 14.8 1.1 64 96 12.2 12.4 11.7 3.0 3.9 10.7 23 5.4 124 8.6 992 997 799 4.6 3.8 0.0 11.8 Showers am, sunny ints pm
5.9 17.4 2.8 61 95 11.2 10.9 10.3 2.0 4.1 11.2 17 3.1 2217 31.7 1013 1019 709 4.3 250.9 2.9 11.3  
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