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| Monthly
Climate Summary for April 2006
at Luton (Cranleigh Gardens) |
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home |
daily |
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| Changeable
and rather cold up to the 11th, then moderately warm |
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back |
forward |
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| Overall mean
temperature was |
9.0 |
ºC |
which is |
+0.8 |
degC |
compared with the 1971-2000 average |
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| Mean day
maximum (09-21) was |
13.4 |
ºC |
which is |
+0.8 |
degC |
compared with the 1971-2000 average |
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| Mean night
minimum (21-09) was |
4.7 |
ºC |
which is |
+0.8 |
degC |
compared with the 1971-2000 average |
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| Mean 24hr
maximum (09-09) was |
13.5 |
ºC |
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| Mean 24hr
minimum (09-09) was |
4.7 |
ºC |
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Highest day max was |
17.6 |
ºC |
on
the |
22 |
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Lowest day max was |
6.9 |
ºC |
on the |
11 |
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Highest night min was |
9.2 |
ºC |
on the |
23 |
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Lowest night min was |
-2.9 |
ºC |
on the |
5 |
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Lowest grass min was |
-9.4 |
ºC |
on the |
5 |
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| Total rainfall
this month was |
40.6 |
mm |
which is |
70.2 |
per cent |
of the 1971-2000 average |
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Highest daily fall was |
12.7 |
mm |
on the |
30 |
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| Number of
hours with rain was |
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| Equiv. TSR
rainfall duration was |
47.5 |
hrs |
which is |
102.8 |
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 |
10.1 |
hrs |
on the |
5 |
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Mean rainfall intensity |
0.85 |
mm/hr |
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| Total CS
sunshine this month was |
147.8 |
hrs |
which is |
106.4 |
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 |
11.3 |
hrs |
on the |
5 |
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| Maximum snow depth
was |
0.0 |
cm |
on
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| Mean sea-level
pressure at 09Z |
1015.3 |
mbar |
which is |
+0.1 |
mbar |
compared with the 1961-1990 average |
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Highest pressure at 09Z |
1026.5 |
mbar |
on the |
28 |
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Lowest
pressure at 09Z |
1003.7 |
mbar |
on the |
1 |
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| Number of days
with: |
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| Air Frost |
5 |
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0.2mm rain |
16 |
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No sun |
4 |
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Snow lying |
0 |
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| Grnd Frost |
10 |
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1.0mm |
9 |
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3h sun |
20 |
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Snow/sleet |
4 |
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| Max < 0ºC |
0 |
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5mm |
2 |
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6h sun |
14 |
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Hail |
1 |
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| Max > 10 |
28 |
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10mm |
1 |
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9h sun |
3 |
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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 |
1 |
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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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| Although 0.8
degC warmer than the 1971-2000 mean, this was nevertheless the coolest April
for five years |
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| The end of
April was reached without a maximum of 18°C for the first time since 2000 |
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