weather station number     , observations since June 20, 2007
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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
April 5,
Saturday
11
12.9
729.5
757.0
-1.1
60
variable wind directionLight air
(1 m/s)
  
90 or more, but not 100%
     Cumulus and Stratocumulus other than Stratocumulus cumulogenitus, with bases at different levels.
60%.
1000-1500
Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.Cirrus fibratus, sometimes uncinus, not progressively invading the sky.
40.0
5.3
      
10
8.6
729.8
757.7
-1.1
78
Calm, no windCalm  
70 – 80%.
     Stratocumulus other than Stratocumulus cumulogenitus.
10% or less, but not 0
1500-2000
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.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.
35.0
5.0
      
09
7.0
730.3
758.5
-0.8
85
variable wind directionLight air
(1 m/s)
  
70 – 80%.
     Stratocumulus other than Stratocumulus cumulogenitus.
10% or less, but not 0
1500-2000
Altocumulus castellanus or floccus.Cirrus fibratus, sometimes uncinus, not progressively invading the sky.
30.0
4.6
      
08
4.7
730.6
758.9
-0.9
89
variable wind directionLight air
(1 m/s)
  
60%.
   
2.6
 No Stratocumulus, Stratus, Cumulus or Cumulonimbus.
40%.
2000-2500
Altocumulus castellanus or floccus.Cirrus fibratus, sometimes uncinus, not progressively invading the sky.
30.0
3.0
No precipitation
12
Dry (without cracks, no appreciable amount of dust or loose sand)
0.0
  
07
3.4
730.9
759.4
-1.2
94
variable wind directionLight air
(1 m/s)
  
20–30%.
Patches of shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 metres on land or 10 metres at sea.Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.  No Stratocumulus, Stratus, Cumulus or Cumulonimbus.
10% or less, but not 0
2000-2500
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.Cirrus fibratus, sometimes uncinus, not progressively invading the sky.
25.0
2.5
      
06
2.9
731.1
759.7
-1.4
95
Calm, no windCalm  
60%.
More or less continuous shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2 metres on land or 10 metres at sea.Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.Cloud covering more than 1/2 of the sky during part of the appropriate period and covering 1/2 or less during part of the period.  No Stratocumulus, Stratus, Cumulus or Cumulonimbus.
20–30%.
2000-2500
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.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
2.2
      
05
3.5
731.5
760.0
-1.4
95
variable wind directionLight air
(1 m/s)
  
40%.
     No Stratocumulus, Stratus, Cumulus or Cumulonimbus.
no clouds
2500 or more, or no clouds.
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
2.8
      
04
3.5
732.1
760.6
-1.1
94
variable wind directionLight air
(1 m/s)
  
20–30%.
     No Stratocumulus, Stratus, Cumulus or Cumulonimbus.
no clouds
2500 or more, or no clouds.
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
2.6
      
03
4.0
732.5
761.0
-1.0
92
variable wind directionLight air
(1 m/s)
  
10% or less, but not 0
     No Stratocumulus, Stratus, Cumulus or Cumulonimbus.
10% or less, but not 0
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.
25.0
2.8
      
02
4.2
732.9
761.4
-0.9
91
Calm, no windCalm  
no clouds
          
25.0
2.9
No precipitation
6
    
01
5.7
733.2
761.5
-0.9
90
variable wind directionLight air
(1 m/s)
  
no clouds
          
25.0
4.2
      
00
6.3
733.5
761.8
-0.7
84
variable wind directionLight air
(1 m/s)
  
no clouds
          
25.0
3.8
      
April 4,
Friday
23
8.0
733.8
761.9
-0.3
76
variable wind directionLight air
(1 m/s)
  
10% or less, but not 0
     Stratocumulus other than Stratocumulus cumulogenitus.
10% or less, but not 0
2000-2500
No Altocumulus, Altostratus or Nimbostratus.No Cirrus, Cirrocumulus or Cirrostratus.
25.0
4.0
      
22
10.0
734.1
762.0
0.1
70
Wind blowing from the west-southwestLight air
(1 m/s)
  
10% or less, but not 0
     Stratocumulus other than Stratocumulus cumulogenitus.
10% or less, but not 0
2000-2500
No Altocumulus, Altostratus or Nimbostratus.No Cirrus, Cirrocumulus or Cirrostratus.
30.0
4.8
      
21
12.5
734.2
761.8
0.0
61
Calm, no windCalm  
10% or less, but not 0
     No Stratocumulus, Stratus, Cumulus or Cumulonimbus.
10% or less, but not 0
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.
30.0
5.2
      
20
14.8
734.1
761.5
-0.7
50
variable wind directionLight air
(1 m/s)
  
10% or less, but not 0
    
20.9
Stratocumulus cumulogenitus.
10% or less, but not 0
2000-2500
Altocumulus cumulogenitus (or cumulonimbogenitus).No Cirrus, Cirrocumulus or Cirrostratus.
40.0
4.5
No precipitation
12
    
19
17.3
734.0
761.2
-1.4
45
variable wind directionLight breeze
(2 m/s)
  
20–30%.
     Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.
10% or less, but not 0
2000-2500
Altocumulus cumulogenitus (or cumulonimbogenitus).No Cirrus, Cirrocumulus or Cirrostratus.
55.0
5.3
      
18
19.5
734.2
761.2
-1.8
34
Wind blowing from the westLight breeze
(2 m/s)
  
20–30%.
     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%.
2000-2500
Altocumulus cumulogenitus (or cumulonimbogenitus).No Cirrus, Cirrocumulus or Cirrostratus.
65.0
3.2
      
17
19.8
734.8
761.8
-1.8
32
variable wind directionLight air
(1 m/s)
  
20–30%.
     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%.
2000-2500
Altocumulus cumulogenitus (or cumulonimbogenitus).No Cirrus, Cirrocumulus or Cirrostratus.
65.0
2.7
      
16
20.2
735.4
762.4
-2.1
32
variable wind directionLight air
(1 m/s)
  
40%.
     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.No Cirrus, Cirrocumulus or Cirrostratus.
60.0
3.0
      
15
19.9
736.0
763.0
 
32
variable wind directionLight breeze
(2 m/s)
  
20–30%.
     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.No Cirrus, Cirrocumulus or Cirrostratus.
60.0
2.8
      
14
19.2
736.6
763.8
-2.1
35
variable wind directionLight breeze
(2 m/s)
  
20–30%.
     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.No Cirrus, Cirrocumulus or Cirrostratus.
60.0
3.4
No precipitation
6
    
13
18.4
737.5
764.8
-1.7
36
Wind blowing from the eastLight breeze
(3 m/s)
  
10% or less, but not 0
     Cumulus mediocris or congestus, with or without Cumulus of species fractus or humilis or Stratocumulus, all having their bases at the same level.
10% or less, but not 0
1000-1500
No Altocumulus, Altostratus or Nimbostratus.No Cirrus, Cirrocumulus or Cirrostratus.
65.0
3.1
      
11
14.8
738.7
766.3
-1.2
47
variable wind directionLight air
(1 m/s)
  
10% or less, but not 0
     Cumulus humilis or Cumulus fractus other than of bad weather, or both.
10% or less, but not 0
1000-1500
No Altocumulus, Altostratus or Nimbostratus.No Cirrus, Cirrocumulus or Cirrostratus.
45.0
3.6
      
0