| Code/Flag Figure |
Description |
Status |
|
0
|
Average of maximum and minimum values: Tm = (Tx + Tn)/2
|
Operational
|
|
1
|
Average of the 8 observations taken every three hours
|
Operational
|
|
2
|
Average of the 24 hourly observations
|
Operational
|
|
3
|
Weighted average of 3 observations: Tm = (aT1 +bT2 + cT3)
|
Operational
|
|
4
|
Weighted average of 3 observations and also maximum and minimum values: Tm= (aT1 +bT2 + cT3 +dTx + eTn)
|
Operational
|
|
5
|
Automatic weather station complete integration from minute data
|
Operational
|
|
6
|
Average of the 4 observations taken every six hours
|
Operational
|
|
7-254
|
Reserved
|
Operational
|
|
255
|
Missing value
|
Operational
|