Halesowen Annual Summary for 2023

 MONTHLY RAIN AND MEAN TEMPS

 TEMPERATURES

15.2 mean max (C) ,   +1.0 diff from av (C)                          ranks 3rd highest in 69 years
  7.3 mean min (C) ,    +1.0 diff from av (C)                          ranks 1^st = highest
 11.2 mean (C),           +0.9  diff from av (C)                        ranks 3^rd = highest

HiMax 32.1 C on  8/9/23      LoMax   0.8C  on  8/3/23
HiMin   18.6C on 8/7/23       LoMin   -5.6C on 17/1/23 and 1/12/23
Highest Mean  24.5C on 9/9/23     Lowest Mean   -1.6C on 2/12/23
 

RAINFALL

 957.8 rain total (mm), 117% of av                           ranks 9^th highest in 69 years

 237 raindays (with 0.2mm or more)               ranks highest – new record
 161 wetdays (with 1mm or more)                   ranks 3^rd  highest
   68 verywetdays (with 5mm or more)           ranks 5^th  highest

36.4mm most rainfall in a day on 19/10/23      Rainfall duration 833.5 hours

SNOWFALL

3 days with snow falling, totalling 9.6 cm.  
Most snowfall in a day 5.5cm on 9/3/23
3 days with lying snow on 18/1/23, 9/3/23 and 10/3/23

PRESSURE

 1013.6 mean pressure (mb) ,  -1.3 pressure anomaly (mb), normal is 1014.9 mb
 1047.8 max pressure at any time of day, on 5/2/23  
   960.7 min pressure at any time of day, on 2/11/23

FOG

11 days with fog

FROSTS   
34 air frosts,  the last was 25/4/23 , first was 25/11/23
71 ground frosts, the last was 25/4/23 , first was 15/10/23
so 173 days with no air or ground frost.  Frost duration  290 hours.

Overall the 18^th mildest January in 68 years.  A mild start in the first half of the month. Then much colder, recovering by the very end of the month.
Rainfall was a little below normal, but what there was all fell in the first half of the month, the second half being exceptionally dry.
The latter half of the month was mostly sunny, as high pressure established, except 27^th and 28^th, the first half less so.
It was much windier 1^st to 14^th, and 29^th onwards.
Ground frosts from 15^th to 28^th, and colder giving airfrosts on 10 consecutive days from 17^th to 26^th . The coldest night was –5.6C on 17^th.
No records broken this month.  

A very mild and very dry month.
Mean temperature was the 7^th mildest in 68 years here, following last year which was the 5^th= mildest. Coldest spells were 6^th – 8^th and 26^th – 27^th. Mildest was 14^th to 21^st. The Mean Max was 4^th mildest, and Mean Min was 8^th mildest.
Hi Max was 7^th mildest, High Min was 6^th mildest.
Low Max 6.3C was the highest on record.
Rainfall totalling 11.6mm was the 6^th lowest February rainfall here, the driest since 1993. The wettest day was 21^st with just 4mm rain, the only other days with more than 1mm were 21-22 and 27-28.
Windiest days were 1^st – 2^nd, and 16^th –18^th.

 9.9 mmax (C)  (4^th mildest in 68 years)
  3.2 mmin (C)   (8^th mildest)
  6.5 mean(C)  +1.8 diff from av (C). (7^th mildest)
14.7 high max (C) on 17^th (7^th highest) 
  6.3 low max (C) on 27^th (HIGHEST on record)  
  9.6 high min (C) on 18^th (6^th highest)
 -2.7 low min (C) on 7^th (12^th = highest)
 11.6 rain total (mm)  (6^th lowest, driest since 1993),  21.1% of av 
15 raindays (days with >=0.2mm) (5^th highest in 67 years)
  4 wetdays (days with >=1mm)
  0 very wet days (days with >=5mm) (8 years have had 0 very wet years)
  4.0 mm greatest fall in a day, on 21^st
 13 days ground frost
   8 days air frost 67%
 59% cloud cover percent
 89% mean RH  

===============

 SEASONAL REPORT FOR WINTER  (Dec2022, Jan2023, Feb2023)

                 this year   normal    anomaly
MeanMax       7.8         6.9             +0.9
MEAN              4.8         4.1             +0.7
MeanMin        1.9         1.4            +0.5 RAINFALL      125.2    201.7            62% Raindays         63         51.5           
Wet Days         26         36.3             
V Wet Days       9         14.7                            
Cloud oktas    5.1         5.7    

Temperatures overall were normal, although somewhat lower in the first half of the month then somewhat higher in the second half. Most days had some rain, except 2^nd, 3^rd, 4^th and 27^th .
This was the 2^nd wettest March on record in 68 years, beaten only  in 1981, all but 3 days having rain. Total rainfall exceeded double the normal amount. Very wet days were 9^th-13^th, 20^th, and 29^th-31^st. The 25.0mm ainfall on the 9^th ranked the 6^th wettest March day on record.

Solar radiation was quite changeable during the month, although more bright days fell in the second half of the month.

A total of 9.6cm snow fell over three days 8^th-10^th.
Windiest days were 13^th, 16^th and 21^st - 23rd

10.1 mmax (C) 
  3.6 mmin (C) 
  6.8 mean(C)  0.0 diff from av (C),
16.3 high max (C) on 30^th  
  0.8 low max (C) on 8^th   
  8.8 high min (C) on 18^th
 -2.9 low min (C) on 11^th

 112.8 rain total (mm),
225.7% of av rainfall
28 raindays (days with >=0.2mm)
24 wetdays (days with >=1mm)
  9 very wet days (days with >=5mm

16 days ground frost
  5 days air frost
  3 days with snow 8^th, 9^th and 10^th
  3 days with snow lying at 0900, on 8^th, 9^th and 10^th
  0 days with fog
79% cloud cover percent
88% mean RH 

Windiest days were `15^th-16^th , 21^st-23^rd

April was slightly cooler than normal, and slightly wetter.
Mean temperature rose slightly towards the end of the month. There were just 2 air frosts, on 3^rd and 25^th, coldest –1.3C on 25^th . Highest temperature 21.2C was on 29^th. 
Dullest days were 5, 17, 27.  Brightest days were 3-4, 7-8, 10, 13, 18, 20, 25 and 29.
Wettest days were 10-14, 21-24, with brief hail on 23^rd. Windiest on 9-13 and 18-20.

May was mild and dry month. Temperatures were +1.0 degrees above normal, the 8^th highest mean temperature.  MMax rose in the second half of the month, the warmest day was 27^th with 26.8C recorded.

Rainfall was only 36.8mm, the 15^th lowest here for May, most falling before 12^th. with a predominantly dry second half to the month.

19.0 mean max (C)  8^th highest in 68 years
  7.9 mean min (C) 
13.4 mean (C)  +1.0 diff from av (C)  8^th highest
26.8 high max (C) on 27
13.7 low max (C) on  31
10.9 high min (C) on   6
  3.8 low min (C) on   16
36.8 rain total (mm)    15^th lowest in 68 years
60.9% of av 
11 raindays (days with >=0.2mm)
  9 wetdays (days with >=1mm)
  2 very wet days (days with >=5mm)
No Ground frost  and  No Air frost
Mean pressure 1023.8 mb
50% cloud cover percent   6^th lowest
=================
SEASONAL REPORT FOR SPRING  (Mar, Apr, May 2023)

              this year normal anomaly MeanMax      14.1    13.2     +0.9
MEAN               9.7     8.8     +0.9
MeanMin         5.3     4.4      +0.9

RAINFALL      224.8  172.9  130%
Raindays        58       43.0   133%    
Wet Days         48      32.3    147%    
V Wet Days     18     11.6     153%  

A mostly settled month with 2^nd highest Mean and MMax temperatures (beaten by 2006) and the highest MMin on record. The mean temperature was 2.8 deg above normal. Very warm between 10^th and 28^th. Rainfall was  62% of normal, but only ranking 25^th lowest in 68 years, which fell on 10-12, 17-22 and 28-30, so there were many dry days. Thunder was heard on 3 days, within the first two of the rainy spells. Windiest on 9, 25-26.

24.1 mean max (C)  2^nd highest on record in 68 years
12.1 mean min (C)   highest on record
18.1 mean (C)  +2.8 diff from av , 2^nd highest on record
30.4 high max (C) on 10
14.2 low max (C) on 6
16.9 high min (C) on 24
  7.1 low min (C)  on  3
 45.2 rain total (mm)  62% of av 
 
  10 raindays (days with >=0.2mm)
    7 wetdays (days with >=1mm)
    6 very wet days (days with >=5mm)

No ground frost or air frost
No days with fog 
3 days with thunder on 10,11,18
55% cloud cover percent
77% mean RH 
Mean pressure was 1018.7 mb, 15^th highest

A cooler than normal month overall, with a cool start, then above normal , cool again 14-25 and milder 27 onwards.
Rainfall was 10^th highest in 68 years here, last beaten in 2012/2013. Raindays and wetdays were both 3^rd highest.
Dullest days were 14^th, 22^nd
Brightest were 7^th, 15^th, 17^th, 9^th and 19^th.
Highest solar radiation was on 2^nd, 9^th, 11^th, 17^th, 19^th, 23^rd, 25^th, 27^th
Windiest days were 15^th, 16^th, 3^rd, 22^nd and 9^th
Calmest days were 18^th, 20^th and 24^th

 20.7 mean max (C) 
 12.0 mean min (C) 
 16.3 mean (C),   -0.9 diff from av (C}
 28.8 high max (C) on 7
 15.9 low max (C) on 4
 18.6 high min (C) on 8
  7.1 low min (C) on  25,

Statistically normal mean temperature, although cooler start and finish, warmest 9^th to 24^th.  The LoMax was 5^th lowest, HiMin 11^th highest, LoMin 13^th highest on record.
Rainfall was 25^th lowest, 77% of normal, but 12^th highest raindays. Most rain fell around 5^th and 18^th. Windiest days 12^th to 14^th and 19^th.  Max Pressure was the 11^th lowest, and Min Pressure was 4^th lowest. Cloud cover was the 4^th lowest.

21.3 mmax (C) 
12.0 mmin (C)   2^nd highest (greatest was 13.8C in 1997)
16.6 mean(C)   -0.2 deg diff from avg
28.5 high max (C) on 10^th 
12.9 low max (C) on 5^th      
16.7 high min (C) on 11^th 
  7.5 low min (C) on 9^th
 
54.2 rain total (mm), 77.4% of av ,
18 raindays (with >=0.2mm) the 12^th greatest
13 wet days (with >=1mm)
 5 very wet days (with >=5mm)
Greatest fall 8.6mm on 18^th
No ground frost
No air frost
Windiest days 12^th to 14^th and 19^th 
Dullest days were recorded on 6^th, 8^th, 29^th and 31^st
53% cloud cover percent
88% mean RH 
 
 =============================

SEASONAL REPORT FOR Summer (Jun, Jul, Aug 2023)

Overall Summer was warm with normal rainfall, but looking at the 3months, temperatures were warmer +1.0deg in Jun, cooler -0.6deg in July and normal +0.1deg in Aug.  Rainfall was drier 63% in Jun,  wet 158% in July and drier 77% in Aug,  So individually June was warmer than normal, abd July was wetter than normal. While June and Aug were drier.

A hot beginning to September, 1^st to 11^th, then back to normal range of temperatures. Over the whole month, the mean temperature anomoly was an impressive +3.0 deg.
Rainfall was 77% of normal, totalling 50.2mm , with none in the first 9 days of the month. 
Most fell 19/20^th , 11^th and 24^th.
After very light winds initially, after the 14^th the wind speeds rose, peaking on 19/20^th and 24^th.

 22.0 mean max (C) 
 12.4 mean min (C) 
 17.2 mean (C)  +3.0 diff from av (C), the 2^nd  warmest in 68 years

 32.1 high max (C) on  8
 16.0 low max (C)  on 20
 18.1 high min (C) on   9
   5.2 low min (C)  on  22

 50.2 rain total (mm)  77% of av 
 Most rain was 8.0 mm on 19^th  
  19 raindays (days with >=0.2mm)
  12 wetdays (days with >=1mm)
    4 very wet days (days with >=5mm)

No days with ground frost or air frost
1 day with fog  on 1^st
0 days with thunder
53% cloud cover percent
93% mean RH 
Mean pressure was 1013.8mb

A mild October overall, mildest up to 11^th then below normal after that. Two ground frosts on 15^th and 16^th. Two very dull and wet days on 13^th and 20^th. Significant rainfall 10^th-13^th when 75mm fell, and 17^th – 20^th when 89mm fell, with saturated ground. Greatest daily rainfall was 36.4mm on 19^th, 34.2mm on 12^th, 31.6mm on 18^th. There were some more pleasant sunnier spells from 7^th-9^th and then 14th-17^th  when clear night skies produced the frosts.  So some respite from the rain. 
Quite windy too, especially at the beginning of the month.
So not the nicest gardening weather, but nothing needed watering!

Although November began slightly warmer than usual, from the 24^th onwards temperatures plummeted remaining entirely below the normal, and this is when all 3 air frosts and 6 of the 9 ground frosts occurred. The number of air frosts was the 15^th fewest in 68 years.
Rainfall was distributed across the month, although the total was slightly below normal. Sunniest days were 6,7, then 15, 17, but most at the end of the month 24,25,28,29. Dullest days were 2, 12, 19 and 26,27.
The mean pressure was 8^th lowest on record here, owing to the deep depression storm Ciaran during the first week passing by. It was a windy month, but little wind from 25^th.

  9.7 mmax © 
  4.3 mmin ©                
  7.0 mean©          0.0 diff from av ©  
13.3 high max © on 23^rd  11^th = lowest  
  3.3 low max © on 30^th 
  9.7 high min © on 19^th 
 -3.8 low min ©  on  30^th
74.0mm rain total (mm)  
90.2 % of av 
25 raindays (days with >=0.2mm)    6^th highest
15 wetdays (days with >=1mm)       16^th highest
  5 very wet days (days with >=5mm)  
Most daily rain was 12.6mm on 12^th 
  9 days ground frost  
  3 days air frost      15^th fewest
  0 days fog     one of the 19 years with no fog days in Nov
74% cloud cover percent
92% mean RH 
Most hours sunshine on 6,7 15,17, 24,25,28,29
Dullest days were  2,12, 19, 26,27

=============================

SEASONAL REPORT FOR AUTUMN  (Sep, Oct, Nov 2022)

Autumn had the 3^rd highest mean temperature in 68 years here, 1.8 degrees above normal. Rainfall was the 8^th wettest with 151% the normal amount, and the number of raindays was the 2^nd highest, 140% of normal.

December's mean temperature was the 5^th mildest in 69 years records here, 2.0 degrees above normal, in fact most days kept well above normal except for 1^st to 6^th and 13^th to 15^th.
Rainfall was the highest December total on record 152.6mm, nearly double the normal amount, with the 5^th highest raindays and wet days. Wettest days were 3^rd with 35mm (the 2^nd wettest December day on record), 4^th with 20mm, 18^th with 13mm and 26^th with over 12mm.
Only 19 years have had fewer airfrosts, and only 8 years have had fewer ground frosts. Windiest days were 21^st, 9^th and 27/28^th . So a very wet and mild December.

   8.9 mean max (C) , 
          4^th highest in 69 years here.
   4.3 mean min (C)  , 
           5^th highest
   6.6 mean (C) ,         
           5^th mildest on record
 13.3 high max (C) on 24^th
   2.0 low max (C) on  2^nd
   9.2 high min (C) on  25^th
  -5.6 low min (C)  on  1st

152.6 rain total (mm)  195% of av , highest December rainfall on record in 69 years
Wettest days were 35mm on 3^rd, 20mm on 4^th 13mm on 18^th

25 raindays (days with >=0.2mm), 
    5^th greatest number of raindays
20 wetdays (days with >=1mm), 
    5^th = greatest number of wetdays
  9 very wet days (days with >=5mm), 8^th greatest number of very wet days

Ground frost on 8 days, only 8 years with fewer.
Air frost on 6 days
Fog on 4 days. 2^nd, 3^rd, 4^th and 8^th
78% cloud cover percent
90% mean RH 
Mean pressure was 1009.6 mb
Max pressure  1038.2 mb was recorded on 16^th 
Min pressure    983.2 mb was recorded  on 31^st
Windiest days were 21^st, 9^th  .

 =============================  

ANNUAL SUMMARY FOR 2023

2023 had the 3^rd highest mean temperature in 69 years here, 9 months having at least the normal mean temperature and only 3 months (April, July and August) had lower than normal. The mean minimum temperature was the highest on record.

Rainfall ranked 9^th highest in 69 years, with a new record number of  237 raindays, and 161 wetdays (3^rd highest on record). Thw wettest months were March,October and December, each having around double the normal rainfall. February was extremely dry with only 21% of normal rainfall.