weather station number     , observations since February 1, 2005
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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 18,
Friday
05
-3.2
748.3
767.1
0.0
94
Wind blowing from the east-southeastLight air
(1 m/s)
  
40%.
     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 fibratus, sometimes uncinus, not progressively invading the sky.
20.0
-4.0
      
02
-3.1
748.3
767.1
-0.2
91
Calm, no windCalm  
10% or less, but not 0
     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
-4.4
      
April 17,
Thursday
23
-3.0
748.5
767.3
0.2
94
Calm, no windCalm  
10% or less, but not 0
     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
-3.9
      
20
3.4
748.3
766.6
-0.3
66
Wind blowing from the northLight air
(1 m/s)
  
60%.
    
5.2
Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.
20–30%.
600-1000
Patches (often lenticular) of Altocumulus translucidus, continually changing and occurring at one or more levels.Cirrus fibratus, sometimes uncinus, not progressively invading the sky.
20.0
-2.5
0.9
12
    
17
3.9
748.6
767.0
-0.6
67
Wind blowing from the northLight breeze
(3 m/s)
  
70 – 80%.
State of sky on the whole unchanged.Shower(s).Rain and snow or other types of solid precipitation  Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.
70 – 80%.
600-1000
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.
20.0
-1.8
      
14
1.7
749.2
767.7
-0.2
92
Wind blowing from the westLight breeze
(3 m/s)
  
90 or more, but not 100%
Shower(s) of rain and snow mixed, slight.Shower(s).Rain and snow or other types of solid precipitation  Cumulonimbus calvus, with or without Cumulus, Stratocumulus or Stratus.
70 – 80%.
600-1000
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
0.5
      
11
0.7
749.4
768.0
-1.0
87
Wind blowing from the west-northwestLight breeze
(3 m/s)
  
100%.
Continuous fall of snowflakes, slight at time of observation.Rain and snow or other types of solid precipitationCloud covering more than 1/2 of the sky throughout the appropriate period.  Stratocumulus other than Stratocumulus cumulogenitus.
20–30%.
300-600
Altostratus translucidus. 
4.0
-1.3
      
08
-0.4
750.4
769.1
-0.2
82
Wind blowing from the west-northwestLight breeze
(2 m/s)
  
100%.
Continuous fall of snowflakes, slight at time of observation.Snow and/or other types of solid precipitationCloud covering more than 1/2 of the sky throughout the appropriate period.
-1.8
 No Stratocumulus, Stratus, Cumulus or Cumulonimbus.
100%.
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. 
10.0
-3.2
Trace of precipitation
12
  Even layer of loose dry snow covering ground completely.
less than 0.5
05
-0.8
750.6
769.3
-0.6
57
Wind blowing from the westLight breeze
(2 m/s)
  
100%.
     No Stratocumulus, Stratus, Cumulus or Cumulonimbus.
100%.
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. 
20.0
-8.3
      
0