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| Monthly
Climate Summary for December 2005 at Luton (Cranleigh Gardens) |
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home |
daily |
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| Dry and anticyclonic from
the 8th-28th; post-Christmas cold snap |
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back |
forward |
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| Overall mean
temperature was |
4.4 |
ºC |
which is |
-0.5 |
degC |
compared with the 1971-2000 average |
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| Mean day
maximum (09-21) was |
6.9 |
ºC |
which is |
-0.2 |
degC |
compared with the 1971-2000 average |
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| Mean night
minimum (21-09) was |
1.9 |
ºC |
which is |
-0.8 |
degC |
compared with the 1971-2000 average |
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| Mean 24hr
maximum (09-09) was |
7.1 |
ºC |
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| Mean 24hr
minimum (09-09) was |
1.1 |
ºC |
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Highest day max was |
10.6 |
ºC |
on
the |
16 |
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Lowest day max was |
-1.9 |
ºC |
on the |
29 |
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Highest night min was |
7.7 |
ºC |
on the |
23 |
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Lowest night min was |
-4.9 |
ºC |
on the |
18 |
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Lowest grass min was |
-9.6 |
ºC |
on the |
18 |
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| Total rainfall
this month was |
51.5 |
mm |
which is |
76.1 |
per cent |
of the 1971-2000 average |
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Highest daily fall was |
12.7 |
mm |
on the |
1 |
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| Number of
hours with rain was |
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| Equiv. TSR
rainfall duration was |
47.5 |
hrs |
which is |
76.4 |
per cent |
of the 1971-2000 average |
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Highest no of wet hrs |
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hrs |
on the |
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Highest duration |
14.0 |
hrs |
on the |
1 |
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Mean rainfall intensity |
1.08 |
mm/hr |
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| Total CS
sunshine this month was |
62.4 |
hrs |
which is |
128.7 |
per cent |
of the 1971-2000 average |
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| Equiv. C/S sunshine total was |
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hrs |
which is |
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per cent |
of the 1971-2000 average |
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Highest daily sun was |
5.5 |
hrs |
on the |
11 |
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| Maximum snow depth
was |
1.0 |
cm |
on
the |
28 and 30 |
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| Mean sea-level
pressure at 09Z |
1017.5 |
mbar |
which is |
+2.9 |
mbar |
compared with the 1961-1990 average |
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Highest pressure at 09Z |
1040.5 |
mbar |
on the |
13 |
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Lowest
pressure at 09Z |
979.8 |
mbar |
on the |
2 |
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| Number of days
with: |
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| Air Frost |
12 |
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0.2mm rain |
16 |
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No sun |
4 |
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Snow lying |
4 |
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| Grnd Frost |
23 |
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1.0mm |
9 |
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3h sun |
11 |
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Snow/sleet |
4 |
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| Max < 0ºC |
1 |
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5mm |
5 |
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6h sun |
0 |
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Hail |
0 |
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| Max > 10 |
2 |
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10mm |
2 |
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9h sun |
0 |
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Thunder |
1 |
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| Max > 20 |
0 |
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25mm |
0 |
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12h sun |
0 |
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Fog at 09Z |
2 |
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| Max > 30 |
0 |
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15h sun |
0 |
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Gale |
0 |
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| Notable events
during the month: |
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| Coldest and
sunniest December since 2001 |
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| Absolute
maximum of 10.6°C on the 16th was the lowest in December since 1981 |
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| Lowest day
maximum of -1.9°C on the 29th was the lowest in December since 1996 |
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| Only 1.5mm of
rain between 8th and 25th inc, and 4.6mm between 8th and 28th |
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