Weather Data - May 2007

May 2007
Times indicate the end of a measurement period (BST)
Maximum Temperature 28.4 ēC 23-May-07    2:00 PM
Minimum Temperature 2.7 ēC 29-May-07    4:15 AM
Mean (15 min) 14.2 ēC 2.7 from average
Mean (Max Min) 15.3 ēC 3.8 from average  (calculated from 0901 to 0900 GMT data)
Mean Max 21.0 ēC 5.2 from average  (calculated from 0901 to 0900 GMT data)
Mean Min 9.7 ēC 2.7 from average  (calculated from 0901 to 0900 GMT data)
Lowest Max 14.7 ēC 10-May-07
Highest Min 15.4 ēC 17-May-07
Air Frosts 0 0 hours of Frost duration
Maximum Station Pressure 1025 hPa 22-May-07   10:30 PM
Minimum Station Pressure 991 hPa 27-May-07    9:00 AM
Mean 1011.8 hPa
Mean of 09Z values 1011.9 hPa
Rainfall 102.9 mm 137.2% of average
Wettest 24hr 27 mm 27-May-07 11:00 PM
Wettest Calendar Day 19.5 mm 13-May-07 (calculated from 0901 to 0900 following day)
Rain Days ( > 0.3mm) 14 days (calculated from 0901 to 0900 GMT data)
Wet Days (>1.0mm) 14 days (calculated from 0901 to 0900 GMT data)
Wet Days (>5.0mm) 7 days (calculated from 0901 to 0900 GMT data)
Max 15min accum 2.4 mm 13-May-07   10:00 AM
Rain Duration 50.75 hours
Longest Dry period 9.86 days 26-May-07 11:00 PM 236.75 (hours)
Longest Wet period (>0.3mm / 15 mins) 7.00 hours 27-May-07 11:00 PM
Sunshine Hours (>30klux) 198.00 hours 101.0% of average
Max Sunshine 10.00 hours 28-May-07 (calculated from 0901 to 0900 following day)
Sunshine Hours (>50%) 171 hours 87.2% of average
Max Sunshine 9.50 hours 02-May-07 (calculated from 0901 to 0900 following day)
Brightest Calendar Day 34.7 klux 27-May-07 (calculated from 0901 to 0900 following day)
Sunless Days 2 days (calculated from 0901 to 0900 GMT data)
Maximum Brightness (klux) 124 klux 14-May-07   12:15 PM
Average Wind Speed #DIV/0! knots #DIV/0! mph
Maximum Wind Speed 0 knots #N/A #N/A 0.0 mph
Days with wind from: (calculated from 0901 to 0900 GMT data)
Calm 30
N 0
NE 0
E 0
SE 0
S 0
SW 0
W 0
NW 0
Average RH (at 09Z) 73.7

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