Weather Data - April 2006

April 2006
Times indicate the end of a measurement period (BST)
Maximum Temperature 20.7 ēC 26-Apr-06    2:45 PM
Minimum Temperature -1.8 ēC 06-Apr-06    6:30 AM
Mean (15 min) 10.4 ēC 2.1 from average
Mean (Max Min) 11.0 ēC 2.7 from average  (calculated from 0901 to 0900 GMT data)
Mean Max 15.9 ēC 3.8 from average  (calculated from 0901 to 0900 GMT data)
Mean Min 6.1 ēC 1.9 from average  (calculated from 0901 to 0900 GMT data)
Lowest Max 11.8 ēC 04-Apr-06
Highest Min 11.1 ēC 24-Apr-06
Air Frosts 3 8.75 hours of Frost duration
Maximum Station Pressure 1027 hPa 27-Apr-06   10:15 PM
Minimum Station Pressure 1000 hPa 1-May-06    4:00 AM
Mean 1014.2 hPa
Mean of 09Z values 1014.4 hPa
Rainfall 18.6 mm 23.3% of average
Wettest 24hr 4.8 mm 21-Apr-06 1:30 AM
Wettest Calendar Day 4.2 mm 20-Apr-06 (calculated from 0901 to 0900 following day)
Rain Days ( > 0.3mm) 10 days (calculated from 0901 to 0900 GMT data)
Wet Days (>1.0mm) 5 days (calculated from 0901 to 0900 GMT data)
Wet Days (>5.0mm) 0 days (calculated from 0901 to 0900 GMT data)
Max 15min accum 1.2 mm 20-Apr-06    1:15 PM
Rain Duration 12.75 hours
Longest Dry period 7.34 days 01-May-06 1:00 AM 176.25 (hours)
Longest Wet period (>0.3mm / 15 mins) 1.25 hours 01-May-06 4:15 AM
Sunshine Hours (>30klux) 225.50 hours 132.6% of average
Max Sunshine 10.50 hours 26-Apr-06 (calculated from 0901 to 0900 following day)
Sunshine Hours (>50%) 162.25 hours 95.4% of average
Max Sunshine 10.00 hours 05-Apr-06 (calculated from 0901 to 0900 following day)
Brightest Calendar Day 36.5 klux 25-Apr-06 (calculated from 0901 to 0900 following day)
Sunless Days 5 days (calculated from 0901 to 0900 GMT data)
Maximum Brightness (klux) 126 klux 26-Apr-06   12:15 PM
Average Wind Speed 5.2 knots 5.9 mph
Maximum Wind Speed 25.17 knots 02-Apr-06    3:15 PM 29.0 mph
Days with wind from: (calculated from 0901 to 0900 GMT data)
Calm 2
N 1
NE 1
E 2
SE 0
S 4
SW 2
W 14
NW 5
Average RH (at 09Z) 62.8

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