Monthly Climate Summary for October 2009 at Luton (Cranleigh Gardens)

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Dull but dry;  often rather cold till the 21st, then mostly warm

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Overall mean temperature was

11.4

ºC

which is

+0.9

degC

compared with the 1971-2000 average

Mean day maximum (09-21) was

14.8

ºC

which is

+0.7

degC

compared with the 1971-2000 average

Mean night minimum (21-09) was

7.9

ºC

which is

+1.0

degC

compared with the 1971-2000 average

Mean 24hr maximum (09-09) was

14.9

ºC

Mean 24hr minimum (09-09) was

7.8

ºC

Highest day max was

18.9

ºC

on  the

6

Lowest day max was

11.2

ºC

on  the

19

Highest night min was

12.2

ºC

on  the

24

Lowest night min was

0.5

ºC

on  the

18

Lowest grass min was

-3.2

ºC

on  the

18

Total rainfall this month was

32.0

mm

which is

45.5

per  cent

of the 1971-2000 average

Highest daily fall was

8.4

mm

on  the

7

Number of hours with rain was

Equiv. TSR rainfall duration was

31.9

hrs

which is

67.4

per  cent

of the 1971-2000 average

Highest no of wet hrs

hrs

on  the

Highest duration

5.5

hrs

on  the

8

Mean rainfall intensity

1.00

mm/hr

Total CS sunshine this month was

70.5

hrs

which is

66.2

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

6.8

hrs

on  the

8

Maximum  snow depth  was

0.0

cm

on  the

Mean sea-level pressure at 09Z

1017.1

mbar

which is

+1.7

mbar

compared with the 1961-1990 average

Highest pressure at 09Z

1034.0

mbar

on  the

15

Lowest  pressure at 09Z

997.0

mbar

on  the

21

Air Frost

0

0.2mm rain

14

No  sun

3

Snow lying

0

Grnd Frost

4

1.0mm

9

3h  sun

11

Snow/sleet

0

Max < 0ºC

0

5mm

1

6h  sun

4

Hail

0

Max > 10

31

10mm

0

9h  sun

0

Thunder

0

Max > 20

0

25mm

0

12h sun

0

Fog at 09Z

4

Max > 30

0

15h sun

0

Gale

0

Notable events during the month: