Table AIV-12.—WMO CODE 1860
WMO CODE 1860
ix - Indicator for type of station operation and inclusion of present and past
weather data.
Code
Station Type
Group 7wwW1W2 is:
1
Manned.
Included.
2
Manned.
Omitted - No significant weather.
3
Manned.
Omitted - Not observed.
4
Automatic.
Included (Codes 4677 & 4561).
5
Automatic.
Omitted - No significant weather.
6
Automatic.
Omitted - Not observed.
7
Automatic.
Included (Codes 4680 & 4531).
Table AIV-13—WMO CODE 0822
WMO CODE 0822
DT - Amount of temperature change
Code
Change
0
10°C
1
11°C
2
12°C
3
13°C
4
14°C
5
5°C
6
6°C
7
7°C
8
8°C
9
9°C
AIV-16
