Campbell Scientific PWS100 Present Weather Sensor User Manual
Page 108
Appendix A. PWS100 Output Codes
Clouds generally
dissolving or becoming
less developed during
the past hour
01 - - - -
-
State of sky on the
whole unchanged
during the past hour
02 - - - -
-
Clouds generally
forming or developing
during past hour
03 - - - -
-
Haze or smoke, or dust
in suspension in the
air, visibility equal to,
or greater than, 1 km
04
HZ / FU /
VA / DU
- - - ≥1 km
Haze or smoke, or dust
in suspension in the
air, visibility less than
1 km
05
HZ / FU /
VA / DU
- - - <1
km
Reserved 06-09
-
-
-
-
-
Mist 10
BR
-
-
-
1
km<r≤10 km
Diamond dust
11
IC
IC
IC
-
<0.1 mm
Distant lightning
12
-
-
-
-
-
Reserved 13-17
-
-
-
-
-
Squalls 18
SQ
-
-
-
-
Reserved 19
-
-
-
-
-
Fog 20
-
-
-
-
≤1 km
PRECIPITATION 21 - - -
No
Limit -
Drizzle (not freezing)
or snow grains
22 - - -
No
Limit
≤0.5 mm
Rain (not freezing)
23
-
-
-
No Limit
>0.5 mm
Snow
24
-
-
-
No Limit
>0.5 mm
Freezing rain or
freezing drizzle
25 - - -
No
Limit -
Thunderstorm (with or
without precipitation)
26 - - - -
-
BLOWING OR
DRIFTING SNOW OR
SAND
27 DRSA
/
BLSA /
DRSN /
BLSN
- - -
-
Blowing or drifting
snow or sand, visibility
equal to, or greater
than, 1 km
28 DRSA
/
BLSA /
DRSN /
BLSN
- - -
-
A-2