Monthly Climate Summary for  October 2009 at Whipsnade (The Lodge)

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daily

Dull but dry; often rather cold first three weeks then generally warm

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forward

Overall mean temperature was

10.3

ºC

which is

+0.5

degC

compared with the 1971-2000 average

Mean day maximum (09-21) was

13.7

ºC

which is

+0.7

degC

compared with the 1971-2000 average

Mean night minimum (21-09) was

7.0

ºC

which is

+0.3

degC

compared with the 1971-2000 average

Mean 24hr maximum (09-09) was

13.8

ºC

Mean 24hr minimum (09-09) was

6.9

ºC

Highest day max was

17.3

ºC

on  the

6

Lowest day max was

10.4

ºC

on  the

19

Highest night min was

11.3

ºC

on  the

6

Lowest night min was

-1.1

ºC

on  the

18

Lowest grass min was

-4.8

ºC

on  the

18

Total rainfall this month was

41.3

mm

which is

60.7

per  cent

of the 1971-2000 average

Highest daily fall was

8.4

mm

on  the

7

Number of hours with rain was

TSR rainfall duration was

32.2

hrs

which is

per  cent

of the 1971-2000 average

Highest no of wet hrs

hrs

on  the

Highest duration

5.5

hrs

on  the

7

Mean rainfall intensity

1.28

mm/hr

Total CS sunshine this month was

81.4

hrs

which is

76.4

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

8.8

hrs

on  the

8

Maximum  snow depth  was

0.0

cm

on  the

Mean sea-level pressure at 09Z

1017.2

mbar

which is

+1.8

mbar

compared with the 1961-1990 average

Highest pressure at 09Z

1034.0

mbar

on  the

16

Lowest  pressure at 09Z

997.0

mbar

on  the

21

Number of days with:

Air Frost

1

0.2mm rain

13

No  sun

2

Snow lying

0

Grnd Frost

6

1.0mm

11

3h  sun

13

Snow/sleet

0

Max < 0ºC

0

5mm

3

6h  sun

5

Hail

0

Max > 10

31

10mm

0

9h  sun

0

Thunder

0

Max > 20

0

25mm

0

12h sun

0

Fog at 09Z

5

Max > 30

0

15h sun

0

Gale

0

Notable events during the month: