Notation	Name	Description	Status
1	Specific humidity		stable
2	Mixing ratio		stable
3	Relative humidity		stable
4	Vapour pressure		stable
5	Vapour density		stable
6	Mixing heights		stable
7	Minimum relative humidity		stable
8	Maximum relative humidity		stable
9	Relative humidity		stable
11	Total precipitation/total water equivalent		stable
12	Depth of fresh snow		stable
13	Total snow depth		stable
14	Rainfall/water equivalent of snow (averaged rate)		stable
15	Snowfall (averaged rate)		stable
16	Precipitable water		stable
19	Total precipitation past 1 hour		stable
20	Total precipitation past 3 hours		stable
21	Total precipitation past 6 hours		stable
22	Total precipitation past 12 hours		stable
23	Total precipitation past 24 hours		stable
31	Evapotranspiration		stable
32	Evaporation/evapotranspiration		stable
33	Evaporation/evapotranspiration		stable
38	Superadiabatic indicator		stable
39	Terrain type (ice/snow)		stable
40	Surface flag		stable
41	Pasquill-Gifford stability category		stable
42	Parcel lifted index (to 500 hPa)		stable
43	Best lifted index (to 500 hPa)		stable
44	K index		stable
45	KO index		stable
46	Maximum buoyancy		stable
47	Modified Showalter stability index		stable
48	Water fraction		stable
51	Frequency group, precipitation		stable
52	Highest daily amount of precipitation		stable
55	Intensity of precipitation		stable
56	Character and intensity of precipitation		stable
57	Time of beginning or end of precipitation		stable
58	Size of precipitating element		stable
59	Number of flashes (thunderstorm)		stable
60	Total accumulated precipitation		stable
71	Upstream water level		stable
72	Downstream water level		stable
73	Maximum water level		stable
74	Ground water level		stable
80	Water pH		stable
81	Water conductivity		stable
82	Water temperature		stable
83	Dissolved oxygen		stable
84	Turbidity		stable
85	Oxidation Reduction Potential (ORP)		stable
90	Radiometer water vapour content		stable
91	Radiometer liquid content		stable
93	Cloud optical thickness		stable
95	Total column water vapour		stable
96	MWR water vapour content		stable
97	MWR liquid water content		stable
98	Integrated water vapour density		stable
99	Log10 of integrated cloud particle density		stable
100	Log10 of integrated cloud particle area		stable
101	Log10 of integrated cloud particle volume		stable
110	Mass mixing ratio		stable
111	Soil moisture		stable
112	Object wetness duration		stable
114	Rate of ice accretion		stable
115	Ice thickness		stable
117	Snow density (liquid water content)		stable
118	Depth of fresh snow (high accuracy)		stable
155	Intensity of precipitation (high accuracy)		stable