Monthly Climate Summary for October 2004 at Luton (Cranleigh Gardens)

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Another very wet October.  Dullest since 1991.

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Overall mean temperature was

10.8

ºC

which is

+0.2

degC

compared with the 1971-2000 average

Mean day maximum (09-21) was

14.3

ºC

which is

+0.2

degC

compared with the 1971-2000 average

Mean night minimum (21-09) was

7.4

ºC

which is

+0.2

degC

compared with the 1971-2000 average

Mean 24hr maximum (09-09) was

14.4

ºC

Mean 24hr minimum (09-09) was

7.4

ºC

Highest day max was

17.1

ºC

on  the

5

Lowest day max was

9.9

ºC

on  the

15

Highest night min was

13.6

ºC

on  the

23

Lowest night min was

2.1

ºC

on  the

26

Lowest grass min was

-1.7

ºC

on  the

27

Total rainfall this month was

112.7

mm

which is

160.3

per  cent

of the 1971-2000 average

Highest daily fall was

20.2

mm

on  the

3

Number of hours with rain was

Equiv. TSR rainfall duration was

86.4

hrs

which is

182.7

per  cent

of the 1971-2000 average

Highest no of wet hrs

hrs

on  the

Highest duration

15.7

hrs

on  the

21

Mean rainfall intensity

1.30

mm/hr

Total CS sunshine this month was

83.4

hrs

which is

78.3

per  cent

of the 1971-2000 average

Equiv. C/S sunshine total was

hrs

which is

per  cent

of the 1971-2000 average

Highest daily sun was

7.7

hrs

on  the

21

Maximum  snow depth  was

0.0

cm

on  the

Mean sea-level pressure at 09Z

1006.2

mbar

which is

-9.2

mbar

compared with the 1961-1990 average

Highest pressure at 09Z

1021.5

mbar

on  the

31

Lowest  pressure at 09Z

990.3

mbar

on  the

20

Number of days with:

Air Frost

0

0.2mm rain

21

No  sun

8

Snow lying

0

Grnd Frost

2

1.0mm

16

3h  sun

16

Snow/sleet

0

Max < 0ºC

0

5mm

7

6h  sun

3

Hail

0

Max > 10

30

10mm

5

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:

Dullest October since 1991;  only 11.6h between 11th and

20th