Monthly Climate Summary for October 2003 at Hampstead  
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                Another dry and sunny month, but very cold during the last 10 days   back forward
Overall mean temperature was 9.8 ēC which is -1.3 degC compared with the 1971-2000 average
Mean day maximum (09-21) was 13.7 ēC
Mean night minimum (21-09) was 6.1 ēC
Mean 24hr maximum (09-09) was 13.7 ēC which is -0.5 degC compared with the 1971-2000 average
Mean 24hr minimum (09-09) was 6.0 ēC which is -2.1 degC compared with the 1971-2000 average
Highest day max was 19.6 ēC on  the   8
Lowest day max was 8.1 ēC on  the 22
Highest night min was 13.2 ēC on  the 3
Lowest night min was -0.1 ēC on  the 25
Lowest grass min was -5.8 ēC on  the 28
Total rainfall this month was 38.1 mm which is 55.2 per  cent of the 1971-2000 average
Highest daily fall was 15.2 mm on  the 30
Number of hours with rain was 55.0 hrs
Equiv. TSR rainfall duration was 38.5 hrs which is 81.9 per  cent of the 1971-2000 average
Highest no of wet hrs 11.0 hrs on  the 30
Highest equiv duration 9.1 hrs on  the 30
Total sunshine this month was 133.9 hrs which is 134.0 per  cent of the 1971-2000 average
Equiv. C/S sunshine total was 147.3 hrs which is 134.0 per  cent of the 1971-2000 average
Highest daily sun was 8.1 hrs on  the 5
Maximum  snow depth  was 0.0 cm
Mean sea-level pressure at 09Z 1014.9 mbar which is -0.8 mbar compared with the 1961-1990 average
Highest pressure at 09Z 1030.6 mbar on  the 16
Lowest  pressure at 09Z 977.4 mbar on  the 31
Number of days with:
Air Frost 1 0.2mm rain 14 No  sun 0 Snow lying 0
Grnd Frost 7 1.0mm 7 3h  sun 20 Snow/sleet 0
Max < 0ēC 0 5mm 2 6h  sun 9 Hail 0
Max > 10 27 10mm 1 9h  sun 0 Thunder 0
Max > 20 0 25mm 0 12h sun 0 Fog at 09Z 0
Max > 30 0 15h sun 0 Gale 0
Notable events during the month:                  
There have been only four sunnier Octobers (1921, 1959, 1971, and 1997) since records began in 1909.      
It was the coldest October since 1992 and the driest since 1995.