February 2010
A snowy January scene in the enchanted Wistman's Wood on Dartmoor.
The spectacular Hooken Cliffs near Branscombe on the Jurassic Coast here in Devon.
Photo taken on a warm and sunny afternoon in early February 2010.
Summary for  February 2010
Mean Max: 7.1ºC (-1.5ºC)
Mean Min: 1.6ºC (-1.2ºC)
Mean: 4.3ºC (-1.4ºC)
     
High Max: 10.3ºC 27th
Low Max: 3.5ºC 13th
High Min: 7.2ºC 4th
Low Min: -4.3ºC 1st
Mean Grass Min: -1.4ºC  
Grass Min: -8.5ºC 12th
     
Rain Total (gauge): 92.0 mm (121%)
Rain Total (tipping bucket): 91.6 mm (120%)
Rain Days >0.2 mm: 20 Days  
Rain Days >1.0 mm: 13 Days  
Max 24 hrs: 15.5 mm 18th
Days without any rain: 8  
     
Air Frost: 6 Days  
Ground Frost: 17 Days  
Snow Falling: 0 Days  
Snow (50%) @ 9am: 0 Days  
Thunder Heard: 0 Days  
Hail <5 mm: 1 Days  
Hail >5 mm: 0 Days  
Fog @ 9am: 0 Days  
     
Total Monthly Sunshine: 67h:22m  
Total Monthly Sunshine: 67.0 Hours  
Most Sunshine in a Day: 07h:29m 26th
Average Daily Sunshine: 02h:24m  
Sunless Days: 6 Days  
Cloudless Days: 0 Days  
Total Possible Sunshine: 281h:21m  
Percentage of Total Sun: 24%  
     
Mean Soil Temp @ 30 cm: 3.6ºC  
Min Soil Temp @ 30 cm: 2.1ºC 2nd
Max Soil Temp @ 30 cm: 5.2ºC 28th
Mean Soil Temp @ 100 cm: 5.1ºC  
Min Soil Temp @ 100 cm: 4.7ºC 22nd
Max Soil Temp @ 100 cm: 5.4ºC 7th
     
Mean 10 Min Wind >39 mph: 0.00 Days  
N: 7.15 Days  
NE: 2.60 Days  
E: 2.51 Days  
SE: 3.40 Days  
S: 2.11 Days  
SW: 2.26 Days  
W: 4.39 Days  
NW: 1.75 Days  
Calm: 4.83 Days  
Mean Wind: 3.5 mph  
Max Gust: 31 mph 26th
     
Mean Cloud Cover: 66%  
Mean RH @ 9am: 88%  
Rain Duration >0.1mm/hour: 55.5 Hours  
Frost Duration: 77.5 Hours  
Max Frost Duration in a Day: 14.5 Hours 20th
% of time with Air Frost: 12%  
     
Mean Sea Temperature: 6.6ºC  
Normal for Month:    
Max Sea Temperature: 7.1ºC 8th
Min Sea Temperature: 6.3ºC 15th
     
Mean Pressure @ 9am: 1003.5 hPa (-11.6 hPa)
Mean Pressure: 1003.2 hPa (-11.9 hPa)
Max Pressure: 1025.0 hPa 13th
Min Pressure: 980.3 hPa 25th
     
Max Dewpoint: 8.1ºC 24th
Min Dewpoint: -6.8ºC 12th
Mean Dewpoint: 1.0ºC  
     
Max Humidity: 93% 4th
Min Humidity: 56% 11th
Mean Humidity: 83% (-2)

 

A generally unsettled, cold and often wet month.

A warm start and end but generally temperatures were below normal though there were no really cold days. A scattering of frosts but nothing severe and rainfall rather above the average. Sunshine levels were disappointingly low at times and unusually there were no cloud-free days.
Overall rainfall was rather wetter than normal with 121%.
There was no snow lying on the ground at any point during this month.
Sunshine levels were a little below average and there were no days which were cloud-free.
Soil temperatures were well below normal throughout.
Winds were dominant from the north (again). Brrrrr!!!!
Rainfall duration for the whole month was a very low despite rainfall being above average.
Sea temperatures remained reasonably static throughout the month, rising slightly at the end.
Mean pressure was well below normal and indicative this unsettled month.
Dewpoints were well below normal due to frequent incursions of very dry and cold, Continental air.
The RH ended up being a little below normal.
Weather Data for Otter Valley, Devon.  February 2010  
  Temp (oC) Hum (RH%) Dewpoint (oC) Wind (mph) Rain Pressure (hPa) Grass Sun  
  Min Max Ave Min Max Ave Min Max Ave Max Ave Run mm Min Max Ave Min Hours Observations
1 -4.3 6.6 1.2 73 91 82 -6.2 2.9 -1.7 22 1.2 29 0.0 1011 1019 1015 -7.7 5.6 Sunny intervals all day
2 1.4 8.7 5.1 86 91 89 -3.4 6.7 1.7 24 4.3 102 6.7 1006 1019 1012 -0.7 1.6 Brief sunny intervals all day
3 5.7 10.2 8.0 85 92 89 3.7 7.8 5.8 16 2.3 56 3.3 1007 1009 1008 5.3 0.0 Cloudy all day
4 7.2 8.9 8.1 80 93 87 3.9 6.8 5.4 26 6.1 146 4.0 996 1008 1002 4.7 0.3 Rain am, bright pm
5 2.2 10.1 6.2 80 93 87 0.3 7.4 3.9 25 5.2 124 13.1 994 1000 997 0.3 2.8 Sunny ints & showers
6 5.1 8.9 7.0 81 91 86 1.2 5.8 3.5 28 4.0 96 3.8 997 1022 1010 2.6 4.8 Sunny intervals all day
7 2.4 4.6 3.5 79 91 85 0.0 2.4 1.2 12 1.7 42 0.5 1019 1025 1022 1.3 0.0 Dull all day
8 2.1 4.2 3.2 77 89 83 -1.4 0.8 -0.3 25 4.6 111 0.0 1010 1019 1015 -0.6 2.2 Sunny intervals all day
9 0.1 5.3 2.7 71 84 78 -3.5 0.0 -1.8 24 5.8 138 0.0 1010 1016 1013 -4.5 2.0 Sunny ints & hail showers
10 -2.4 4.8 1.2 60 89 75 -5.3 -0.7 -3.0 22 3.4 83 0.0 1016 1021 1019 -7.6 2.8 Sunny intervals all day
11 -2.0 4.0 1.0 56 84 70 -5.7 -3.5 -4.6 22 5.9 142 0.0 1022 1024 1023 -7.6 6.8 Sunny intervals all day
12 -4.1 5.6 0.8 75 88 82 -6.8 1.2 -2.8 14 2.3 54 0.0 1023 1025 1024 -8.5 2.3 Sunny intervals all day
13 1.3 3.5 2.4 63 83 73 -3.9 0.1 -1.9 17 3.5 85 0.0 1022 1025 1023 -0.8 0.4 Brief sunny intervals all day
14 1.7 8.0 4.9 62 85 74 -2.2 1.6 -0.3 11 2.1 51 0.0 1014 1022 1018 -2.6 3.5 Bright am, sunny pm
15 1.7 7.5 4.6 76 90 83 -1.0 4.5 1.8 13 0.7 17 0.7 1001 1014 1007 1.1 0.0 Cloudy all day
16 3.3 7.2 5.3 81 90 86 -1.4 4.2 1.4 11 2.0 48 10.5 991 1000 995 0.9 0.9 Rain intermittent all day
17 1.8 6.3 4.1 75 92 84 -2.2 3.6 0.7 14 2.5 60 6.2 989 991 990 -3.7 0.1 Rain am, bright pm
18 2.7 5.6 4.2 79 91 85 -0.4 3.9 1.8 15 3.7 89 15.5 987 991 989 0.5 0.2 Rain am, showers pm
19 -4.1 5.3 0.6 73 91 82 -5.9 2.2 -1.9 18 1.6 39 0.2 991 998 995 -7.3 5.5 Showers & sun all day
20 -4.2 6.6 1.2 73 91 82 -6.0 2.5 -1.8 8 0.5 14 0.2 997 999 998 -2.9 6.9 Snow flurries, sunny pm
21 1.4 8.6 5.0 74 92 83 -4.1 4.3 0.1 13 1.7 42 0.7 989 998 994 -3.3 4.1 Sunny ints all day
22 3.2 5.5 4.4 81 90 86 -0.1 3.6 1.8 24 5.8 140 3.8 981 990 985 3.1 0.0 Rain intermittent all day
23 1.7 7.2 4.5 79 92 86 -1.1 5.5 2.2 26 4.8 115 4.3 988 991 989 -1.8 0.0 Rain intermittent all day
24 4.9 10.1 7.5 83 93 88 3.3 8.1 5.7 26 3.7 81 1.2 985 990 987 1.3 1.9 Sunny intervals all day
25 3.4 7.9 5.7 89 92 91 1.7 6.1 3.9 12 1.6 39 4.0 980 992 986 -1.2 0.0 Cloudy am, rain pm
26 3.3 9.2 6.3 57 91 74 -0.5 3.9 1.7 31 7.2 174 1.0 981 999 990 -0.9 7.5 Sunny intervals all day
27 3.8 10.3 7.1 80 92 86 -0.2 6.9 3.4 22 3.3 79 11.4 986 998 992 -0.2 2.9 Showers am, sunny ints pm
28 4.3 7.6 6.0 70 91 81 1.2 4.4 2.8 26 6.7 162 0.5 982 1003 993 1.4 2.0 Cloudy am, sunny ints pm
1.6 7.1 4.3 75 90 83 -1.7 3.8 1.0 20 3.5 2356 91.6 999 1007 1003 -1.4 67.0  

Graphs for February 2010
Figure 1. Temperature and Rainfall for February 2010.
Figure 2. Sunshine, air pressure and mean wind speed for February 2010.
Figure 3. Wind direction for February 2010.
Figure 4. Soil & sea surface temperature (SST) for Lyme Bay for February 2010.
Figure 5. Wind run, maximum gusts and mean pressure for February 2010.