| Code/Flag Figure |
Description |
Status |
|
0-1
|
Reserved
|
Operational
|
|
2
|
Observed minus maximum
|
Operational
|
|
3
|
Observed minus minimum
|
Operational
|
|
4
|
Observed minus mean
|
Operational
|
|
5
|
Observed minus median
|
Operational
|
|
6
|
Observed minus mode
|
Operational
|
|
7-10
|
Reserved
|
Operational
|
|
11
|
Observed minus climatology (anomaly)
|
Operational
|
|
12
|
Observed minus analysed value
|
Operational
|
|
13
|
Observed minus initialized analysed value
|
Operational
|
|
14
|
Observed minus forecast value
|
Operational
|
|
15-20
|
Reserved
|
Operational
|
|
21
|
Observed minus interpolated value
|
Operational
|
|
22
|
Observed minus hydrostatically calculated value
|
Operational
|
|
23-31
|
Reserved
|
Operational
|
|
32-62
|
Reserved for local use
|
Operational
|
|
63
|
Missing value
|
Operational
|