Monthly Climate Summary for November 2003 at Hampstead  
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Dry and warm first half; very wet from the 20th onwards     Back Forward
Overall mean temperature was 9.1 C which is +2.0 degC compared with the 1971-2000 average
Mean day maximum (09-21) was 11.6 C
Mean night minimum (21-09) was 6.8 C
Mean 24hr maximum (09-09) was 11.7 C which is +1.9 degC compared with the 1971-2000 average
Mean 24hr minimum (09-09) was 6.4 C which is +2.1 degC compared with the 1971-2000 average
Highest day max was 17.9 C on the 6
Lowest day max was 6.5 C on the 23
Highest night min was 11.9 C on the 18
Lowest night min was 0.6 C on the 28
Lowest grass min was -6.6 C on the 28
Total rainfall this month was 128.0 mm which is 200.1 per cent of the 1971-2000 average
Highest daily fall was 26.8 mm on the 22
Number of hours with rain was 131.0 hrs
Equiv. TSR rainfall duration was 91.7 hrs which is 187.1 per cent of the 1971-2000 average
Highest no of wet hrs 23.0 hrs on the 22
Highest equiv duration 19.1 hrs on the 22
Total sunshine this month was 75.5 hrs which is 119.9 per cent of the 1971-2000 average
Equiv. C/S sunshine total was 83.1 hrs which is 119.9 per cent of the 1971-2000 average
Highest daily sun was 7.5 hrs on the 7
Maximum snow depth was 0.0 cm
Mean sea-level pressure at 09Z 1012.7 mbar which is -1.8 mbar compared with the 1961-1990 average
Highest pressure at 09Z 1029.9 mbar on the 7
Lowest pressure at 09Z 987.3 mbar on the 26
Number of days with:
Air Frost 0 0.2mm rain 21 No sun 6 Snow lying 0
Grnd Frost 5 1.0mm 13 3h sun 13 Snow/sleet 0
Max < 0C 0 5mm 9 6h sun 4 Hail 0
Max > 10 22 10mm 4 9h sun 0 Thunder 0
Max > 20 0 25mm 1 12h sun 0 Fog at 09Z 1
Max > 30 0 15h sun 0 Gale 0
Notable events during the month:                
Maximum of 17.9C on the 6th was the highest November temperature since 4 Nov 1946, and the highest so late in the year on record