1981 - monthly  - mean of NNR daily vapor pressure at 2 meters (hPa); S.-H. Wang, OSU
BasinID	Name	01	02	03	04	05	06	07	08	09	10	11	12
0	Pan Arctic Basins	1.8	1.7	2.5	4.0	7.0	10.6	12.2	11.5	6.9	3.9	2.3	1.7
2	Asia	1.4	1.4	2.4	4.5	7.3	12.0	13.4	12.4	7.1	3.6	2.0	1.6
4	Europe	3.1	2.8	3.0	4.5	7.2	12.4	14.2	13.7	8.9	6.1	4.1	3.1
5	Greenland	0.5	0.5	0.7	1.5	2.7	4.5	5.1	4.2	2.3	1.3	0.8	0.8
8	North America	2.4	2.2	3.0	3.9	7.5	9.7	11.9	11.5	7.3	4.4	2.9	1.8
9999	WALE	3.7	2.5	3.5	3.6	7.1	8.9	10.5	9.7	6.2	4.0	2.7	2.0