March 2013
March sunshine over Jacob's Ladder beach at a very low tide
Overall this was a wet, dull and very cold month though temperatures were generally average or slightly above until the 20th. Not as cold in the Otter Valley as places further north and east but it was still the coldest March since records started here in 2005.
Summary for  March 2013
Mean Max: 8.4C (-2.6C)
Mean Min: 2.0C (-2.1C)
Mean: 5.2C (-2.3C)
     
High Max: 13.7C 5th
Low Max: 3.4C 11th
High Min: 9.0C 8th
Low Min: -3.6C 14th
Mean Grass Min: 0.1C  
Grass Min: -6.1C 13th
     
Rain Total (gauge): 110.4 mm (174%)
Rain Total (tipping bucket): 109.7 mm (173%)
Rain Days >0.2 mm: 12 Days  
Rain Days >1.0 mm: 11 Days  
Max 24 hrs: 25.0 mm 21st
Days without any rain: 19  
     
Air Frost: 8 Days  
Grass Frost: 17 Days  
Snow Falling: 1 Day  
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: 94.2 Hours (80%)
Most Sunshine in a Day: 11.8 Hours 31st
Average Daily Sunshine: 3.0 Hours  
Sunless Days: 3 Days  
Cloudless Days: 1 Days  
Total Possible Sunshine: 369.5 Hours  
Percentage of Total Sun: 26%  
Maximum UV Index: 3.8 29th
Time of Max UV:   11:30
     
Mean Soil Temp @ 30 cm: 7.3C  
Min Soil Temp @ 30 cm: 6.0C 1st
Max Soil Temp @ 30 cm: 9.2C 9th
Mean Soil Temp @ 100 cm: 8.7C  
Min Soil Temp @ 100 cm: 8.2C 2nd 
Max Soil Temp @ 100 cm: 9.1C 10th
     
Mean 10 Min Wind >39 mph: 0.00 Days  
N: 7.13 Days  
NE: 6.18 Days  
E: 10.10 Days  
SE: 1.87 Days  
S: 2.19 Days  
SW: 0.91 Days  
W: 0.13 Days  
NW: 1.65 Days  
Calm: 0.83 Days  
Wind Chill Low: -6.6C 12th
Mean Wind: 3.3 mph  
Max Gust: 32 mph 22nd 
  31.00 Days  
Mean Cloud Cover: 70%  
Mean RH @ 9am: 86%  
Rain Duration >0.1mm/hour: 61.8 Hours  
Frost Duration: 51.0 Hours  
Max Frost Duration in a Day: 12.0 Hours 12th
     
Mean Sea Temperature: 6.9C (-1.2C)
Normal for Month: 8.1C  
Max Sea Temperature: 8.1C 20th
Min Sea Temperature: 6.3C 31st
     
Mean Pressure @ 9am: 1007.9 hPa (-6.7 hPa)
Mean Pressure: 1007.7 hPa (-6.9 hPa)
Max Pressure: 1030.1 hPa 2nd 
Min Pressure: 987.9 hPa 18th
Max Change in 24 hours: 16.2 hPa 20th
   
Radiation Daily Mean: 8.4 MJ/m  
Max Daily Value: 19.0 MJ/m 31st
Min Daily Value: 1.7 MJ/m 21st
Number of Days with Data: 31 Days  
1-Hour Maximum: 953 W/m 18th
Starting Time of the Hour:   12:30
     
Max Dewpoint: 11.2C 8th
Min Dewpoint: -6.6C 11th
Mean Dewpoint: 1.9C  
     
Max Humidity: 99% 5th
Min Humidity: 41% 14th
Mean Humidity: 81% (+81)
Weather Data for Otter Valley, Devon. March 2013
  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 2.8 7.9 1.0 65 90 6.0 8.2 0.0 4.6 16 1.9 44 0.0 1028 1030 331 1.7 0.4 0.0 1.5 1.8 7.1 Brief sunny intervals all day
2 3.1 5.6 -2.3 70 90 6.3 8.2 -2.2 0.8 11 1.3 31 0.0 1026 1030 233 1.3 0.3 0.0 2.8 -0.8 7.0 Brief sunny intervals all day
3 -2.4 5.6 -3.2 78 96 6.2 8.2 -3.5 2.4 15 1.9 45 0.0 1018 1026 199 1.3 0.3 9.8 4.3 -3.5 6.7 Brief sunny intervals all day
4 5.2 9.3 3.7 75 89 6.2 8.2 2.4 5.0 23 3.5 83 0.0 1008 1019 583 2.2 3.3 0.0 0.0 2.5 6.6 Sunny intervals all day
5 -0.3 13.7 -1.8 66 99 6.6 8.2 -1.0 8.1 14 2.7 64 0.0 1001 1008 617 2.3 9.2 2.0 2.8 -1.8 7.1 Sunny intervals all day
6 8.9 12.9 6.4 74 87 7.3 8.3 5.2 8.7 14 3.5 83 0.0 997 1001 385 1.8 0.1 0.0 0.5 8.3 7.1 Brief sunny intervals all day
7 8.6 10.6 8.7 82 98 8.1 8.5 7.5 9.4 16 4.7 113 10.5 993 998 197 1.5 0.0 0.0 0.0 7.1 7.0 Cloudy all day
8 9.0 12.3 5.6 91 99 8.6 8.7 6.9 11.2 10 1.9 45 6.2 993 1000 316 1.8 0.9 0.0 2.3 7.4 7.6 Brief sunny intervals all day
9 5.7 11.7 4.0 92 99 9.2 9.0 5.2 10.6 13 1.3 32 4.8 999 1003 736 2.5 0.1 0.0 7.5 5.5 8.0 Brief sunny intervals all day
10 3.8 8.4 -0.2 87 97 8.6 9.1 0.5 8.0 18 2.5 60 4.8 1003 1005 145 1.0 0.0 0.0 0.8 -0.7 7.3 Cloudy all day
11 0.2 3.4 -5.1 61 91 7.4 9.0 -6.6 0.5 28 5.7 137 0.0 1004 1008 602 2.2 0.0 0.0 0.0 -5.1 7.0 Cloudy all day
12 -2.3 5.4 -5.1 51 85 6.8 9.0 -6.3 -1.5 26 6.0 144 0.0 1008 1012 629 2.7 7.3 12.0 1.3 -6.6 6.5 Sunny intervals all day
13 -2.1 10.1 -6.1 55 92 6.7 8.9 -3.6 4.3 17 1.9 46 0.5 1012 1015 691 2.3 4.1 5.0 9.5 -2.3 6.5 Sunny intervals all day
14 -3.6 10.8 -3.2 41 97 6.8 8.9 -4.7 1.4 17 1.5 37 0.0 1015 1019 732 2.6 10.2 11.0 8.5 -4.0 6.7 Sunny all day
15 -0.9 10.1 4.6 76 97 7.1 8.8 -2.1 7.1 27 5.4 130 12.6 1001 1016 375 1.4 1.8 3.3 3.8 -1.1 6.5 Sunny intervals am, rain pm
16 4.9 9.9 1.7 78 96 7.3 8.7 3.3 7.2 30 7.7 185 8.8 989 1001 653 2.4 3.1 0.0 0.5 2.2 6.5 Showers all day
17 1.8 10.6 -1.1 59 98 7.6 8.7 1.2 5.0 13 2.0 49 6.4 989 994 786 2.6 6.0 0.0 6.8 1.3 7.0 Showers am, sunny intervals pm
18 0.7 13.6 -1.3 46 97 7.6 8.7 -0.6 5.6 11 1.4 35 0.0 988 993 953 2.8 8.0 0.0 4.8 0.0 7.4 Sunny intervals all day
19 0.1 10.2 -2.4 77 96 7.8 8.8 -1.2 6.8 10 1.3 32 0.0 993 998 952 3.2 4.8 0.0 8.3 -0.3 7.0 Sunny intervals all day
20 3.5 8.0 2.0 82 97 8.0 8.9 2.9 6.3 12 1.2 31 5.2 998 1014 511 2.4 1.3 0.0 7.5 3.3 8.1 Brief sunny intervals all day
21 4.1 7.4 4.1 88 98 8.0 9.0 3.9 6.9 30 6.3 150 25.0 1006 1014 116 1.0 0.0 0.0 0.0 2.2 7.2 Rain all day
22 6.4 7.6 5.4 90 98 8.1 9.0 5.1 7.3 32 8.1 194 23.3 1001 1007 194 1.1 0.0 0.0 0.0 3.0 6.8 Rain, intermittent all day
23 3.1 6.4 2.5 92 96 8.0 9.0 1.2 5.4 22 2.6 62 1.7 1003 1010 86 0.7 0.0 0.0 0.0 1.6 6.8 Cloudy all day
24 0.7 3.5 0.9 84 93 7.7 8.9 -1.3 1.4 15 3.3 72 0.0 1009 1013 281 1.7 0.0 0.0 0.0 -1.2 6.8 Cloudy all day
25 0.6 3.8 -2.3 71 87 7.2 8.8 -2.9 -0.6 19 3.1 75 0.0 1013 1014 408 1.9 0.0 0.0 0.0 -1.0 6.7 Cloudy all day
26 -0.3 4.3 -2.7 68 84 6.9 8.7 -3.0 -0.6 20 3.6 87 0.0 1012 1014 541 2.2 4.7 4.0 0.0 -3.2 6.5 Sunny intervals am, cloudy pm
27 0.8 5.3 0.1 60 84 6.6 8.6 -3.2 -0.4 12 2.4 58 0.0 1011 1013 451 1.5 2.5 0.0 0.0 -0.6 6.5 Sunny intervals am, cloudy pm
28 -2.1 7.9 -4.5 54 89 6.6 8.5 -3.9 1.2 13 2.2 52 0.0 1012 1013 733 2.7 6.0 4.0 0.0 -3.4 6.5 Sunny intervals am, cloudy pm
29 0.7 7.9 -2.9 52 75 6.5 8.4 -4.2 -0.6 22 3.8 92 0.0 1007 1013 851 3.8 6.5 0.0 0.0 -1.0 6.4 Sunny intervals all day
30 0.1 8.6 -2.3 50 82 6.7 8.4 -4.4 -0.5 18 3.0 72 0.0 1007 1014 748 3.2 1.7 0.0 1.5 -1.8 6.4 Sunny intervals all day
31 1.3 8.6 -1.1 55 83 6.9 8.4 -2.8 1.1 19 3.6 85 0.0 1011 1015 844 3.3 11.8 0.0 3.5 -0.7 6.3 Sunny intervals all day
2.0 8.4 0.1 70 92 7 8.7 -0.4 4.3 18 3.3 2421 110 1005 1010 512 2.1 94 51 75 0.2 6.9  
     
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