weather station number     , observations since January 29, 2009
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T
Po
P
Pa
U
DD
Ff
ff10
ff3
N
WW
W1
W2
Tn
Tx
Cl
Nh
H
Cm
Ch
VV
Td
RRR
tR
E
Tg
E'
sss
2025
May 21,
Wednesday
23
14.3
713.2
 
-0.1
65
Wind blowing from the south-southwestGentle breeze
(4 m/s)
  
no clouds
No significant weather observed.No significant weather observed.        
20.0
7.8
      
22
15.3
713.2
 
-0.2
58
Wind blowing from the south-westGentle breeze
(5 m/s)
  
60%.
No significant weather observed.No significant weather observed.   Stratocumulus cumulogenitus.
40%.
1500-2000
Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.No Cirrus, Cirrocumulus or Cirrostratus.
20.0
7.1
      
21
16.7
713.2
 
-0.5
52
Wind blowing from the south-southwestModerate breeze
(6 m/s)
  
70 – 80%.
No significant weather observed.No significant weather observed. 
9.1
22.2
Stratocumulus cumulogenitus.
50%.
1500-2000
Altocumulus cumulogenitus (or cumulonimbogenitus).No Cirrus, Cirrocumulus or Cirrostratus.
20.0
6.7
No precipitation
12
Dry (without cracks, no appreciable amount of dust or loose sand)   
20
17.6
713.3
 
-0.5
52
Wind blowing from the south-southwestModerate breeze
(7 m/s)
  
70 – 80%.
No significant weather observed.No significant weather observed.   Stratocumulus cumulogenitus.
40%.
1500-2000
Altocumulus cumulogenitus (or cumulonimbogenitus).No Cirrus, Cirrocumulus or Cirrostratus.
20.0
7.7
      
19
18.3
713.4
 
-0.9
54
Wind blowing from the south-southwestFresh breeze
(8 m/s)
  
70 – 80%.
No significant weather observed.No significant weather observed.   Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.
20–30%.
1500-2000
Altocumulus cumulogenitus (or cumulonimbogenitus).Cirrostratus not progressively invading the sky and not entirely covering it.
20.0
8.8
      
18
20.3
713.7
 
-1.0
44
Wind blowing from the south-westModerate breeze
(7 m/s)
  
100%.
No significant weather observed.No significant weather observed.   Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.
40%.
1500-2000
No Altocumulus, Altostratus or Nimbostratus.Cirrostratus covering the whole sky.
20.0
7.6
      
17
21.8
713.8
 
-1.4
47
Wind blowing from the northLight air
(1 m/s)
  
90 or more, but not 100%
No significant weather observed.No significant weather observed.   Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.
20–30%.
1500-2000
No Altocumulus, Altostratus or Nimbostratus.Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole; the continuous veil extends more than 45 degrees above the horizon, without the sky being totally covered.
20.0
9.9
      
16
20.9
714.3
 
-1.3
46
Wind blowing from the east-southeastCalm  
70 – 80%.
No significant weather observed.No significant weather observed.   Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.
40%.
1500-2000
No Altocumulus, Altostratus or Nimbostratus.Cirrus (often in bands) and Cirrostratus, or Cirrostratus alone, progressively invading the sky; they generally thicken as a whole, but the continuous veil does not reach 45 degrees above the horizon.
20.0
8.7
      
15
20.2
714.7
 
-1.2
48
Wind blowing from the southLight air
(1 m/s)
  
60%.
No significant weather observed.No significant weather observed.   Cumulus humilis or Cumulus fractus other than of bad weather, or both.
40%.
1500-2000
No Altocumulus, Altostratus or Nimbostratus.Cirrus fibratus, sometimes uncinus, not progressively invading the sky.
20.0
8.7
No precipitation
6
    
14
19.0
715.2
 
-1.0
47
Wind blowing from the eastLight breeze
(2 m/s)
  
50%.
No significant weather observed.No significant weather observed.   Cumulus humilis or Cumulus fractus other than of bad weather, or both.
20–30%.
1500-2000
No Altocumulus, Altostratus or Nimbostratus.Cirrus spissatus, in patches or entangled sheaves, which usually do not increase and sometimes seem to be the remains of the upper part of a Cumulonimbus; or Cirrus castellanus or floccus.
20.0
7.5
      
13
17.7
715.6
 
-0.9
54
Wind blowing from the north-northeastLight breeze
(2 m/s)
  
50%.
No significant weather observed.No significant weather observed.   Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.
40%.
1500-2000
No Altocumulus, Altostratus or Nimbostratus.Cirrus fibratus, sometimes uncinus, not progressively invading the sky.
20.0
8.1
      
12
15.5
715.9
 
-0.9
59
Wind blowing from the north-northeastLight breeze
(2 m/s)
  
40%.
No significant weather observed.No significant weather observed.   Cumulus humilis or Cumulus fractus other than of bad weather, or both.
20–30%.
1500-2000
No Altocumulus, Altostratus or Nimbostratus.Cirrus fibratus, sometimes uncinus, not progressively invading the sky.
20.0
7.5
      
11
13.5
716.2
 
-0.5
73
Wind blowing from the north-northeastLight breeze
(2 m/s)
  
40%.
No significant weather observed.No significant weather observed.   Cumulus humilis or Cumulus fractus other than of bad weather, or both.
10% or less, but not 0
1500-2000
Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.No Cirrus, Cirrocumulus or Cirrostratus.
20.0
8.7
      
10
10.9
716.5
 
-0.1
81
Wind blowing from the north-northeastLight breeze
(2 m/s)
  
no clouds
No significant weather observed.No significant weather observed.        
20.0
7.7
      
09
9.2
716.8
 
0.4
81
Wind blowing from the eastLight air
(1 m/s)
  
20–30%.
No significant weather observed.No significant weather observed. 
3.1
12.2
No Stratocumulus, Stratus, Cumulus or Cumulonimbus.
no clouds
2500 or more, or no clouds.
No Altocumulus, Altostratus or Nimbostratus.Cirrus fibratus, sometimes uncinus, not progressively invading the sky.
20.0
6.0
No precipitation
12
Dry (without cracks, no appreciable amount of dust or loose sand)
2.0
  
08
6.6
716.7
 
0.4
93
Wind blowing from the northLight air
(1 m/s)
  
20–30%.
Cloud development not observed or not observable.    No Stratocumulus, Stratus, Cumulus or Cumulonimbus.
no clouds
2500 or more, or no clouds.
No Altocumulus, Altostratus or Nimbostratus.Cirrus fibratus, sometimes uncinus, not progressively invading the sky.
20.0
5.6
      
07
3.8
716.6
 
0.2
98
Wind blowing from the north-westCalm   Mist.Visibility reduced.        
1.7
3.5
      
06
3.6
716.4
 
-0.1
95
Wind blowing from the south-southwestLight breeze
(2 m/s)
   No significant weather observed.No significant weather observed.        
20.0
2.9
      
05
5.4
716.3
 
-0.1
91
Wind blowing from the south-southwestLight breeze
(2 m/s)
   No significant weather observed.No significant weather observed.        
20.0
4.1
      
04
5.5
716.4
 
-0.3
92
Wind blowing from the south-westLight breeze
(2 m/s)
   No significant weather observed.No significant weather observed.        
20.0
4.3
      
03
6.0
716.5
 
-0.2
93
Wind blowing from the south-southeastLight air
(1 m/s)
  
no clouds
No significant weather observed.No significant weather observed.        
10.0
5.0
No precipitation
6
    
02
6.3
716.4
 
0.1
93
Wind blowing from the west-southwestLight breeze
(3 m/s)
  
40%.
No significant weather observed.No significant weather observed.   No Stratocumulus, Stratus, Cumulus or Cumulonimbus.
40%.
2500 or more, or no clouds.
Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.No Cirrus, Cirrocumulus or Cirrostratus.
10.0
5.3
      
01
6.2
716.7
 
0.8
92
Wind blowing from the west-southwestLight breeze
(2 m/s)
  
50%.
No significant weather observed.No significant weather observed.   No Stratocumulus, Stratus, Cumulus or Cumulonimbus.
50%.
2500 or more, or no clouds.
Altocumulus translucidus or opacus in two or more layers, or Altocumulus opacus in a single layer, not progressively invading the sky, or Altocumulus with Altostratus or Nimbostratus.No Cirrus, Cirrocumulus or Cirrostratus.
10.0
5.0
      
00
9.3
716.7
 
0.9
81
Wind blowing from the south-southeastLight air
(1 m/s)
  
20–30%.
No significant weather observed.No significant weather observed.   No Stratocumulus, Stratus, Cumulus or Cumulonimbus.
20–30%.
2500 or more, or no clouds.
Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.No Cirrus, Cirrocumulus or Cirrostratus.
10.0
6.1
      
May 20,
Tuesday
23
8.2
716.3
 
0.7
86
Wind blowing from the south-westLight breeze
(2 m/s)
  
20–30%.
No significant weather observed.No significant weather observed.   Stratocumulus cumulogenitus.
10% or less, but not 0
1000-1500
Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.No Cirrus, Cirrocumulus or Cirrostratus.
10.0
6.0
      
0