| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Monthly
Climate Summary for May 2005
at Luton (Cranleigh Gardens) |
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
home |
daily |
|
|
|
|
|
|
|
|
| Generally
dry and quite sunny; some notable temperature extremes |
|
back |
forward |
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Overall mean
temperature was |
11.9 |
ºC |
which is |
+0.3 |
degC |
compared with the 1971-2000 average |
|
|
|
|
|
|
|
|
|
|
|
| Mean day
maximum (09-21) was |
17.0 |
ºC |
which is |
+0.5 |
degC |
compared with the 1971-2000 average |
|
|
|
|
|
|
|
|
|
|
|
| Mean night
minimum (21-09) was |
6.8 |
ºC |
which is |
+0.1 |
degC |
compared with the 1971-2000 average |
|
|
|
|
|
|
|
|
|
|
|
| Mean 24hr
maximum (09-09) was |
17.0 |
ºC |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Mean 24hr
minimum (09-09) was |
6.8 |
ºC |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Highest day max was |
30.1 |
ºC |
on
the |
27 |
|
|
|
|
|
|
|
| |
Lowest day max was |
9.7 |
ºC |
on the |
4 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Highest night min was |
14.6 |
ºC |
on the |
28 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Lowest night min was |
-0.8 |
ºC |
on the |
10 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Lowest grass min was |
-3.7 |
ºC |
on the |
15 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total rainfall
this month was |
37.8 |
mm |
which is |
71.1 |
per cent |
of the 1971-2000 average |
|
|
|
|
|
|
|
|
|
|
|
|
| |
Highest daily fall was |
14.1 |
mm |
on the |
21 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Number of
hours with rain was |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Equiv. TSR
rainfall duration was |
26.8 |
hrs |
which is |
90.5 |
per cent |
of the 1971-2000 average |
|
|
|
|
|
|
|
|
|
|
|
|
| |
Highest no of wet hrs |
|
hrs |
on the |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Highest duration |
4.7 |
hrs |
on the |
13 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Mean rainfall intensity |
1.41 |
mm/hr |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total CS
sunshine this month was |
203.2 |
hrs |
which is |
110.0 |
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 |
11.7 |
hrs |
on the |
13 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Maximum snow depth
was |
0.0 |
cm |
on
the |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Mean sea-level
pressure at 09Z |
1016.6 |
mbar |
which is |
+1.5 |
mbar |
compared with the 1961-1990 average |
|
|
|
|
|
|
|
|
|
|
|
| |
Highest pressure at 09Z |
1027.5 |
mbar |
on the |
11 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Lowest
pressure at 09Z |
1005.6 |
mbar |
on the |
22 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Number of days
with: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Air Frost |
3 |
|
0.2mm rain |
14 |
|
No sun |
1 |
|
Snow lying |
0 |
|
|
|
|
|
|
|
|
|
|
|
|
| Grnd Frost |
8 |
|
1.0mm |
8 |
|
3h sun |
25 |
|
Snow/sleet |
0 |
|
|
|
|
|
|
|
|
|
|
|
|
| Max < 0ºC |
0 |
|
5mm |
2 |
|
6h sun |
17 |
|
Hail |
2 |
|
|
|
|
|
|
|
|
|
|
|
|
| Max > 10 |
30 |
|
10mm |
1 |
|
9h sun |
9 |
|
Thunder |
4 |
|
|
|
|
|
|
|
|
|
|
|
|
| Max > 20 |
6 |
|
25mm |
0 |
|
12h sun |
0 |
|
Fog at 09Z |
0 |
|
|
|
|
|
|
|
|
|
|
|
|
| Max > 30 |
1 |
|
|
|
|
15h sun |
0 |
|
Gale |
0 |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Notable events
during the month: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Overall this
was the coolest May since 1996, the driest since 1999, and the sunniest since
2001 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Minimum of
13.4°C early on the 1st was the highest so early in the year since records
began in 1900 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Minimum of
-0.8°C on the 10th was the lowest in May since 1996 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Maximum of
30.1°C on the 27th was the highest in May since 1947, and the highest so
early in the season since 1922 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|