| Monthly Climate
Summary for January 2003 at Luton (Cranleigh Gardens) |
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| A two-faced month; cold snaps
3rd-12th and 29th onwards. Quite sunny. |
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
home |
daily |
|
|
|
|
|
| Overall mean
temperature was |
4.0 |
ēC |
which is |
0.0 |
degC |
compared with the 1971-2000 average |
back |
forward |
|
|
|
|
|
| Mean day
maximum (09-21) was |
6.4 |
ēC |
which is |
0.0 |
degC |
compared with the 1971-2000 average |
|
|
|
|
|
|
|
| Mean night
minimum (21-09) was |
1.6 |
ēC |
which is |
-0.1 |
degC |
compared with the 1971-2000 average |
|
|
|
|
|
|
|
| Mean 24hr
maximum (09-09) was |
6.6 |
ēC |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Mean 24hr
minimum (09-09) was |
1.2 |
ēC |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Highest day max was |
12.7 |
ēC |
on
the |
25 |
|
|
|
|
|
|
|
|
|
|
|
|
| |
Lowest day max was |
-0.1 |
ēC |
on the |
7 |
|
|
|
|
|
|
|
|
|
|
|
|
| |
Highest night min was |
7.8 |
ēC |
on the |
15 |
|
|
|
|
|
|
|
|
|
|
|
|
| |
Lowest night min was |
-7.1 |
ēC |
on the |
12 |
|
|
|
|
|
|
|
|
|
|
|
|
| |
Lowest grass min was |
-9.6 |
ēC |
on the |
12 |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total rainfall
this month was |
91.1 |
mm |
which is |
133.8 |
per cent |
of the 1971-2000 average |
|
|
|
|
|
|
|
|
| |
Highest daily fall was |
20.1 |
mm |
on the |
1 |
|
|
|
|
|
|
|
|
|
|
|
|
| Number of hours with rain was |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Dynes' TSR
rainfall duration was |
81.6 |
hrs |
which is |
126.9 |
per cent |
of the 1971-2000 average |
|
|
|
|
|
|
|
|
| |
Highest no of wet hrs |
|
hrs |
on the |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Highest duration |
12.5 |
hrs |
on the |
21 |
|
|
|
|
|
|
|
|
|
|
|
|
| |
Mean rainfall intensity |
1.12 |
mm/hr |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Total CS
sunshine this month was |
64.4 |
hrs |
which is |
136.0 |
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 |
5.4 |
hrs |
on the |
23 |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Maximum snow depth
was |
7.0 |
cm |
on
the |
31 |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Mean sea-level
pressure at 09Z |
1014.8 |
mbar |
which is |
0.2 |
mbar |
compared with the 1961-1990 average |
|
|
|
|
|
|
|
| |
Highest pressure at 09Z |
1037.0 |
mbar |
on the |
24 |
|
|
|
|
|
|
|
|
|
|
|
|
| |
Lowest
pressure at 09Z |
981.0 |
mbar |
on the |
2 |
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Number of days
with: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Air Frost |
13 |
|
0.2mm rain |
17 |
|
No sun |
8 |
|
Snow lying |
3 |
|
|
|
|
|
|
|
|
| Grnd Frost |
17 |
|
1.0mm |
13 |
|
3h sun |
10 |
|
Snow/sleet |
6 |
|
|
|
|
|
|
|
|
| Max < 0ēC |
1 |
|
5mm |
7 |
|
6h sun |
0 |
|
Hail |
1 |
|
|
|
|
|
|
|
|
| Max > 10 |
6 |
|
10mm |
3 |
|
9h sun |
0 |
|
Thunder |
0 |
|
|
|
|
|
|
|
|
| Max > 20 |
0 |
|
25mm |
0 |
|
12h sun |
0 |
|
Fog at 09Z |
2 |
|
|
|
|
|
|
|
|
| Max > 30 |
0 |
|
|
|
|
15h sun |
0 |
|
Gale |
0 |
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Notable events
during the month: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Moderate snow
1330-1730 gmt on the 30th, leaving 8cm on the ground; traffic chaos |
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|