| Main | 
| Number 
 | Title | Status | Questions | 
| P.836-6 (12/2017) 
 | Water vapour: surface density and total columnar content | In force (Main) 
 | 201/3 | 
| 
 | 
| Previous versions | 
| Number 
 | Title | Status | Questions | 
| P.836-5 (09/2013) 
 | Water vapour: surface density and total columnar content | Superseded 
 | 201/3 | 
| P.836-3 (11/01) 
 | Water vapour: surface density and total columnar content | Superseded 
 | 201/3 | 
| P.836-1 (08/97) 
 | Water vapour: surface density and total columnar content | Superseded 
 | N/A | 
| P.836-4 (10/09) 
 | Water vapour: surface density and total columnar content | Superseded 
 | 201/3 | 
| P.836-2 (02/01) 
 | Water vapour: surface density and total columnar content | Superseded 
 | 201/3 | 
| P.836-0 (03/92) 
 | Surface water vapour density | Superseded 
 | N/A |