Monthly Climate Summary for  July  1993 at Whipsnade,  Beds

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Dry at first, but cool and changeable from the second week

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Overall mean temperature was

14.6

ºC

which is

-1.7

degC

compared with the 1971-2000 average

Mean day maximum (09-21) was

18.9

ºC

which is

-1.7

degC

compared with the 1971-2000 average

Mean night minimum (21-09) was

10.3

ºC

which is

-1.7

degC

compared with the 1971-2000 average

Mean 24hr maximum (09-09) was

18.9

ºC

Mean 24hr minimum (09-09) was

10.3

ºC

Highest day max was

24.3

ºC

on  the

3

Lowest day max was

14.9

ºC

on  the

10

Highest night min was

15.2

ºC

on  the

29

Lowest night min was

4.9

ºC

on  the

12

Lowest grass min was

ºC

on  the

Total rainfall this month was

45.5

mm

which is

92.9

per  cent

of the 1971-2000 average

Highest daily fall was

15.6

mm

on  the

13

Number of hours with rain was

Equiv. TSR rainfall duration was

hrs

which is

per  cent

of the 1971-2000 average

Highest no of wet hrs

hrs

on  the

Highest duration

hrs

on  the

Mean rainfall intensity

mm/hr

Total CS sunshine this month was

172.5

hrs

which is

90.6

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

14.0

hrs

on  the

6

Maximum  snow depth  was

0.0

cm

on  the

Mean sea-level pressure at 09Z

1016.1

mbar

which is

-1.2

mbar

compared with the 1961-1990 average

Highest pressure at 09Z

1031.7

mbar

on  the

6

Lowest  pressure at 09Z

1003.5

mbar

on  the

9

Number of days with:

Air Frost

0

0.2mm rain

16

No  sun

1

Snow lying

0

Grnd Frost

0

1.0mm

11

3h  sun

22

Snow/sleet

0

Max < 0ºC

0

5mm

3

6h  sun

14

Hail

0

Max > 10

31

10mm

1

9h  sun

7

Thunder

1

Max > 20

12

25mm

0

12h sun

1

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