Monthly Climate Summary for  March  2008 at Hampstead

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Mostly dry, bright and mild first week, then often cold and wet. Wintry Easter

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Overall mean temperature was

6.4

ºC

which is

-0.1

degC

compared with the 1971-2000 average

Mean day maximum (09-21) was

9.7

ºC

Mean night minimum (21-09) was

3.4

ºC

Mean 24hr maximum (09-09) was

9.7

ºC

which is

-0.3

degC

compared with the 1971-2000 average

Mean 24hr minimum (09-09) was

3.1

ºC

which is

+0.1

degC

compared with the 1971-2000 average

Highest day max was

13.9

ºC

on  the

11

Lowest day max was

2.4

ºC

on  the

23

Highest night min was

9.2

ºC

on  the

2

Lowest night min was

-2.6

ºC

on  the

23

Lowest grass min was

-7.5

ºC

on  the

5

Total rainfall this month was

76.1

mm

which is

149.3

per  cent

of the 1971-2000 average

Highest daily fall was

17.8

mm

on  the

15

Number of hours with rain was

80.0

hrs

Equiv. TSR rainfall duration was

56.0

hrs

which is

116.7

per  cent

of the 1971-2000 average

Highest no of wet hrs

15.0

hrs

on  the

15

Highest equiv duration

12.5

hrs

on  the

15

Mean rainfall intensity

1.36

mm/h

Total sunshine this month was

96.7

hrs

which is

96.8

per  cent

of the 1971-2000 average

Equiv. C/S sunshine total was

106.4

hrs

which is

96.8

per  cent

of the 1971-2000 average

Highest daily sun was

7.0

hrs

on  the

7

Maximum  snow depth  was

1.0

cm

on the

23

Mean sea-level pressure at 09Z

1007.3

mbar

which is

-7.5

mbar

compared with the 1961-1990 average

Highest pressure at 09Z

1036.0

mbar

on  the

5

Lowest  pressure at 09Z

969.8

mbar

on  the

10

Number of days with:

Air Frost

5

0.2mm rain

20

No  sun

1

Snow lying

1

Grnd Frost

12

1.0mm

15

3h  sun

15

Snow/sleet

5

Max < 0ºC

0

5mm

4

6h  sun

4

Hail

1

Max > 10

15

10mm

2

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: