Monthly Climate Summary for August 2003 at Hampstead  
                        home daily
                Dry, sunny and very warm;  record-breaking heat on the 10th     back forward
Overall mean temperature was 20.2 ēC which is +3.0 degC compared with the 1971-2000 average
Mean day maximum (09-21) was 25.8 ēC
Mean night minimum (21-09) was 14.6 ēC
Mean 24hr maximum (09-09) was 25.8 ēC which is +4.0 degC compared with the 1971-2000 average
Mean 24hr minimum (09-09) was 14.6 ēC which is +2.0 degC compared with the 1971-2000 average
Highest day max was 37.4 ēC on  the   10
Lowest day max was 17.5 ēC on  the 28
Highest night min was 21.4 ēC on  the 10
Lowest night min was 7.6 ēC on  the 30
Lowest grass min was -0.8 ēC on  the 31
Total rainfall this month was 13.4 mm which is 21.6 per  cent of the 1971-2000 average
Highest daily fall was 11.4 mm on  the 28
Number of hours with rain was 16.0 hrs
Equiv. TSR rainfall duration was 11.2 hrs which is 38.6 per  cent of the 1971-2000 average
Highest no of wet hrs 10.0 hrs on  the 28
Highest equiv duration 8.3 hrs on  the 28
Total sunshine this month was 208.1 hrs which is 121.1 per  cent of the 1971-2000 average
Equiv. C/S sunshine total was 228.9 hrs which is 121.1 per  cent of the 1971-2000 average
Highest daily sun was 11.6 hrs on  the 3
Maximum  snow depth  was 0.0 cm
Mean sea-level pressure at 09Z 1020.4 mbar which is +4.1 mbar compared with the 1961-1990 average
Highest pressure at 09Z 1026.4 mbar on  the 5
Lowest  pressure at 09Z 1007.1 mbar on  the 29
Number of days with:
Air Frost 0 0.2mm rain 2 No  sun 2 Snow lying 0
Grnd Frost 1 1.0mm 2 3h  sun 26 Snow/sleet 0
Max < 0ēC 0 5mm 1 6h  sun 18 Hail 0
Max > 10 31 10mm 1 9h  sun 11 Thunder 1
Max > 20 26 25mm 0 12h sun 0 Fog at 09Z 0
Max > 30 8 15h sun 0 Gale 0
Notable events during the month:                  
It was the third warmest August, after 1995 and 1997, since records began in 1909        
It was the driest and sunniest August since 1995              
The maximum on the 10th established a new record for the station