1991 - 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	1.4	1.6	2.0	4.3	7.1	11.0	13.1	11.1	7.0	3.9	2.2	1.5
2	Asia	1.3	1.2	1.8	4.4	7.2	12.0	15.5	12.4	7.4	4.0	2.2	1.2
4	Europe	2.8	3.1	3.2	6.0	8.5	13.1	12.6	11.0	8.4	5.9	4.3	3.0
5	Greenland	0.6	0.9	0.9	1.0	2.6	4.6	4.7	3.6	2.2	1.3	0.8	0.7
8	North America	1.4	2.0	2.4	4.5	7.7	10.9	12.0	11.3	7.4	4.0	2.3	1.8
9999	WALE	2.2	2.5	2.7	4.3	6.5	9.7	10.6	9.2	7.1	4.0	2.3	2.1