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AUGUST 2021
  
August
was only slightly cooler than normal, a bit cooler on 16th
and 30th-31st.
Rainfall was statistically slightly below average, but more than half
the month's rainfall fell torrentially in a short time, 13.6mm between
18:30 and 19:00 on 19th, 10.4mm between 23:00 and 23:40 on 21st
with thunderstorm.
Halesowen was on the northern edge of a storm centre tracking eastwards
just to the south of Birmingham on 21st August, and Halesowen
had 14.7mm of torrential rain, along with Shirley 14.8mm and Becketts
Farm on the A435 18.0mm (in 24 hours), while areas north and west of me,
such as Wolverhampton, Dudley,
Coseley, Kingswinford, Kidderminster all recorded less than 3mm rainfall
in the 24 hours, and Rowley Regis just to the north of Halesowen
recorded 7mm in the 24 hours. (Source: local Davis weather stations
shown on WeatherLink.com)
===================
SEASONAL
REPORT FOR Summer (Jun,
Jul, Aug 2021)
Summer
had the 4th = highest mean temperature 17.3C (beaten only in
1995, 2006 and 2018) with the 10th = highest MeanMax and 3rd
= highest MeanMin. The LoMin of 6.8C was the highest summer Lomin on
record here.
Rainfall was statistically normal overall, June a bit drier, but July
wetter. Torrential rain seemed more frequent, with 5 of the 9 greatest
rain days this year falling in this summer period, 25.2mm on 25/6, 21.4mm
on 4/7, 13.4mm on 29/7, 16.6mm on 19/8 and 18.2mm on 21/8. However the
number of raindays, wetdays and very wet days was about normal, the
intensity being greater.
this year
normal anomaly
MeanMax 22.3
20.7 +1.6
(10th = highest)
MEAN
17.3
15.8 +1.5
(4th = highest)
MeanMin
12.4
10.9 +1.5
(3rd = highest)
LoMin 6.8
(highest summer Lomin)
RAINFALL 202.4
197.9
102.3%
Raindays
38
40.6
Wet Days 29
30.5
V Wet Days 13
12.7
|
TEMPERATURES
20.6
mmax (C)
12.3 mmin (C)
16.4 mean(C) -0.4 diff from av (C)
25.4 high max (C) on 10th
15.4 low max (C) on 31st
15.3 high min (C) on 15th
7.9 low min (C) on 3rd
|
RAINFALL
65.6 rain total (mm), 93.7% of av
15 raindays (with >=0.2mm)
10 wet days (with >=1mm)
3 very wet days (with
>=5mm)
Greatest fall 18.2mm on 21st
Thunderstorm on 21st at 23:10 |
OTHER
No ground frost
No air frost
Windiest days 6th, 7th, 8th ,16th,
17th
76% cloud cover percent
87% mean RH
Highest pressure 1033.1 mb on 24th
|
|
Halesowen
65 year,
10 year and 30 year
Mean
Min, Max and Mean Temperatures
and Mean Total Rainfall
|
Temperature
C
|
Rainfall
mm
|
|
|
MMin
|
MMax
|
Mean
|
|
65 year
1956 - 2020
|
5.8
|
13.6
|
9.7
|
785.8
|
|
|
|
|
|
|
|
10
year
|
|
|
|
|
|
1956
- 1960
|
5.3
|
13.0
|
9.1
|
794.6
|
|
1961
- 1970
|
5.1
|
12.6
|
8.9
|
754.1
|
|
1971
- 1980
|
5.5
|
13.2
|
9.4
|
748.4
|
|
1981
- 1990
|
5.5
|
13.6
|
9.5
|
756.2
|
|
1991
- 2000
|
5.9
|
13.8
|
9.9
|
760.1
|
|
2001
- 2010
|
6.5
|
14.3
|
10.4
|
777.2
|
|
2011
- 2020
|
6.7
|
14.6
|
10.6
|
913.6
|
|
|
|
|
|
|
|
30
year
|
|
|
|
|
|
1971
- 2000
|
5.6
|
13.5
|
9.6
|
754.9
|
|
1981
- 2010
|
6.0
|
13.9
|
9.9
|
764.5
|
|
1991
- 2020
|
6.4
|
14.3
|
10.3
|
816.9
|
|
|
Halesowen
Annual Summary for 2020
A
mild year overall, the 4th mildest on record here in 65 years,
beaten only by 2006, 2011 and 2014, having 9 months above average, Jan Apr
and May exceptionally so. Only Jul and Oct were below normal, and Dec was
normal.
New
record HiMax was 35.6C on 31/7/20.
New record
HiMean was 26.7C on 12/8/20.
New
record 220 raindays, also
7th highest 152 wetdays, and 57 very wet days.
MONTHLY
RAIN AND MEAN TEMPS
|
month
|
JAN
|
FEB
|
MAR
|
APR
|
MAY
|
JUN
|
JUL
|
AUG
|
SEP
|
OCT
|
NOV
|
DEC
|
|
rain
mm
|
56.2
|
147.8
|
40.8
|
41.0
|
5.8
|
60.2
|
56.4
|
138.0
|
22.0
|
110.0
|
45.8
|
128.4
|
|
rain
%
|
85%
|
316%
|
75%
|
66%
|
10%
|
99%
|
96%
|
208%
|
35%
|
134%
|
62%
|
178%
|
|
Rain
rank
|
|
New
highest
|
|
|
New lowest
|
|
|
3rd
highest
|
|
12th
highest
|
|
7th
highest
|
|
temp
C
|
5.9
|
5.9
|
6.6
|
11.4
|
13.7
|
16.2
|
16.4
|
18.1
|
14.7
|
9.9
|
7.9
|
4.3
|
|
30yr
avg
|
4.1
|
4.2
|
6.5
|
8.7
|
11.9
|
14.8
|
16.9
|
16.5
|
13.9
|
10.4
|
6.8
|
4.3
|
|
anomaly
|
+1.8
|
+1.7
|
+0.1
|
+2.7
|
+1.8
|
+1.4
|
-0.5
|
+1.6
|
+0.8
|
-1.5
|
+1.1
|
0.0
|
|
65yr
avg
|
3.8
|
4.0
|
6.1
|
8.5
|
11.7
|
14.6
|
16.5
|
16.1
|
13.7
|
10.4
|
6.5
|
4.4
|
TEMPERATURES
15.0 mean max (C) , +1.1 diff
from av (C) 4th =
highest
6.8
mean min (C) , +0.9
diff from av (C) 7th
highest
10.9 mean (C),
+1.0 diff from av (C) 4th
= highest
HiMax
35.6C on 31/7/20 New
highest
LoMax 0.5C on 28/12/20
HiMin
18.9C on 26/6/20 6th
highest
LoMin -3.7C on 31/12/20
Highest Mean 26.7C on 12/8/20
New highest
Lowest Mean –0.9C
on 31/12/20
RAINFALL
852.4
rain total (mm), 111 % of av 16th highest
220
raindays (with 0.2mm or more)
New highest
152 wetdays (with
1mm or more)
7th highest
57 verywetdays
(with 5mm or more) 18th
highest
35.2
most rainfall in a day (mm) on 15/2/20
Rainfall
duration 792.5 hours
SNOWFALL
2 days with snow falling,
totalling 5.5cm;
Most snowfall in a day 3.5 cm on 28/12/20.
4 days with lying snow
PRESSURE
1014.0 mean pressure (mb) , +0.5
pressure anomaly (mb)
1049.3 max pressure at any time of day, on 20/1/20
New record highest
968.5 min pressure at any
time of day, on 28/12/20 10th
lowest
FOG
15
days with fog
FROSTS
25 air frosts, 3rd fewest, the last was 14/5/20, first
4/11/20,
so 174 days airfrost free
81
ground frosts, last 15/5/20, first 28/9/20,
so 136 days with no air or ground frost.
Frost duration 147.5 hours.
It
is noteworthy that all 17 years with fewest airfrosts (less than 64), have
occurred since 2000, with 2010 ranking 19th, 2000 was 24th
and 2001 was 46th.
THUNDER
6 days with thunder heard, 16/6 17/6 10/6 11/6 12/8 17/8
- 9th fewest
HAIL
5 days with small hail, 1 day with large hail
HUMIDITY
86.1% at 0900
CLOUD
COVER
61.9% at 0900
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Page updated
02/09/2021 |
